{"id":1489968,"recorded_at":"2026-10-31T14:11:32.016248Z","observed_at":"2026-10-31T14:11:32.016080Z","subject_kind":"endpoint","subject":"a61387e3-4b70-4c60-b007-95fcdcae113d","kind":"mcp.tools","method":"probe.mcp/1","body":{"count":88,"tools":[{"description":"Deterministic mid-task utilities for AI agents: unit + currency conversion by ratio, timezone/date maths, cron expansion, entity extraction, format + JSON Schema validation, and CAIP-2 blockchain resolution (chain id <-> name <-> eip155:8453). Exact answers, no LLM, fast. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/agentkit/chain","inputSchema":{"properties":{"chain":{"type":"string"},"op":{"type":"string"}},"type":"object"},"name":"agentkit__chain"},{"description":"Deterministic mid-task utilities for AI agents: unit + currency conversion by ratio, timezone/date maths, cron expansion, entity extraction, format + JSON Schema validation, and CAIP-2 blockchain resolution (chain id <-> name <-> eip155:8453). Exact answers, no LLM, fast. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/agentkit/convert","inputSchema":{"properties":{"chain":{"type":"string"},"op":{"type":"string"}},"type":"object"},"name":"agentkit__convert"},{"description":"Deterministic mid-task utilities for AI agents: unit + currency conversion by ratio, timezone/date maths, cron expansion, entity extraction, format + JSON Schema validation, and CAIP-2 blockchain resolution (chain id <-> name <-> eip155:8453). Exact answers, no LLM, fast. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/agentkit/datetime","inputSchema":{"properties":{"chain":{"type":"string"},"op":{"type":"string"}},"type":"object"},"name":"agentkit__datetime"},{"description":"Deterministic mid-task utilities for AI agents: unit + currency conversion by ratio, timezone/date maths, cron expansion, entity extraction, format + JSON Schema validation, and CAIP-2 blockchain resolution (chain id <-> name <-> eip155:8453). Exact answers, no LLM, fast. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/agentkit/extract","inputSchema":{"properties":{"chain":{"type":"string"},"op":{"type":"string"}},"type":"object"},"name":"agentkit__extract"},{"description":"Deterministic mid-task utilities for AI agents: unit + currency conversion by ratio, timezone/date maths, cron expansion, entity extraction, format + JSON Schema validation, and CAIP-2 blockchain resolution (chain id <-> name <-> eip155:8453). Exact answers, no LLM, fast. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/agentkit/validate","inputSchema":{"properties":{"chain":{"type":"string"},"op":{"type":"string"}},"type":"object"},"name":"agentkit__validate"},{"description":"Compare two OpenAPI 3 JSON specs and get a precise breaking-change report: removed paths, renamed parameters, new required fields, type changes. $0.02 via x402. Price: $0.02 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/api-change-check/compare","inputSchema":{"properties":{"after":{"properties":{"info":{"properties":{"title":{"type":"string"},"version":{"type":"string"}},"type":"object"},"openapi":{"type":"string"},"paths":{"properties":{},"type":"object"}},"type":"object"},"before":{"properties":{"info":{"properties":{"title":{"type":"string"},"version":{"type":"string"}},"type":"object"},"openapi":{"type":"string"},"paths":{"properties":{"/users":{"properties":{"get":{"properties":{"responses":{"properties":{"200":{"properties":{"description":{"type":"string"}},"type":"object"}},"type":"object"}},"type":"object"}},"type":"object"}},"type":"object"}},"type":"object"}},"type":"object"},"name":"api_change_check__compare"},{"description":"Base token due diligence over x402. /report bundles due diligence, cross-venue reference price and position exit cost in ONE $0.01 call. /price now takes up to 10 tokens per $0.01 call for bulk screening. Free /sample on every endpoint. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/basedue/due","inputSchema":{"properties":{"tokens":{"type":"string"}},"type":"object"},"name":"basedue__due"},{"description":"Base token due diligence over x402. /report bundles due diligence, cross-venue reference price and position exit cost in ONE $0.01 call. /price now takes up to 10 tokens per $0.01 call for bulk screening. Free /sample on every endpoint. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/basedue/exit","inputSchema":{"properties":{"tokens":{"type":"string"}},"type":"object"},"name":"basedue__exit"},{"description":"Base token due diligence over x402. /report bundles due diligence, cross-venue reference price and position exit cost in ONE $0.01 call. /price now takes up to 10 tokens per $0.01 call for bulk screening. Free /sample on every endpoint. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/basedue/price","inputSchema":{"properties":{"tokens":{"type":"string"}},"type":"object"},"name":"basedue__price"},{"description":"Base token due diligence over x402. /report bundles due diligence, cross-venue reference price and position exit cost in ONE $0.01 call. /price now takes up to 10 tokens per $0.01 call for bulk screening. Free /sample on every endpoint. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/basedue/report","inputSchema":{"properties":{"tokens":{"type":"string"}},"type":"object"},"name":"basedue__report"},{"description":"Holiday and business-day calendar for US, UK, DE, FR, NL. Free browsable holiday pages plus a free in-browser business-days calculator; paid endpoints for batch dates. Price: $0.03 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/bizcal-api/add","inputSchema":{"properties":{"country":{"type":"string"},"end":{"type":"string"},"start":{"type":"string"}},"type":"object"},"name":"bizcal_api__add"},{"description":"Holiday and business-day calendar for US, UK, DE, FR, NL. Free browsable holiday pages plus a free in-browser business-days calculator; paid endpoints for batch dates. Price: $0.03 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/bizcal-api/batch","inputSchema":{"properties":{"country":{"type":"string"},"end":{"type":"string"},"start":{"type":"string"}},"type":"object"},"name":"bizcal_api__batch"},{"description":"Holiday and business-day calendar for US, UK, DE, FR, NL. Free browsable holiday pages plus a free in-browser business-days calculator; paid endpoints for batch dates. Price: $0.03 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/bizcal-api/between","inputSchema":{"properties":{"country":{"type":"string"},"end":{"type":"string"},"start":{"type":"string"}},"type":"object"},"name":"bizcal_api__between"},{"description":"Holiday and business-day calendar for US, UK, DE, FR, NL. Free browsable holiday pages plus a free in-browser business-days calculator; paid endpoints for batch dates. Price: $0.03 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/bizcal-api/day","inputSchema":{"properties":{"country":{"type":"string"},"end":{"type":"string"},"start":{"type":"string"}},"type":"object"},"name":"bizcal_api__day"},{"description":"Holiday and business-day calendar for US, UK, DE, FR, NL. Free browsable holiday pages plus a free in-browser business-days calculator; paid endpoints for batch dates. Price: $0.03 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/bizcal-api/workdays","inputSchema":{"properties":{"country":{"type":"string"},"end":{"type":"string"},"start":{"type":"string"}},"type":"object"},"name":"bizcal_api__workdays"},{"description":"Holiday and business-day calendar for US, UK, DE, FR, NL. Free browsable holiday pages plus a free in-browser business-days calculator; paid endpoints for batch dates. Price: $0.03 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/bizcal-api/year","inputSchema":{"properties":{"country":{"type":"string"},"end":{"type":"string"},"start":{"type":"string"}},"type":"object"},"name":"bizcal_api__year"},{"description":"Read-only Base and Ethereum chain data over x402: gas, blocks, balances, token metadata, tx status, nonces, and token safety verdicts scored 0-100. Batch up to 25 tokens. Free /scan and /t/<address> verdict pages. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/chainread/balance","inputSchema":{"properties":{"address":{"description":"0x address or ERC-20 contract address","type":"string"},"addresses":{"description":"Up to 25 addresses (for /batch)","items":{"type":"string"},"type":"array"},"chain":{"enum":["base","ethereum"],"type":"string"},"hash":{"description":"0x transaction hash (for /tx)","type":"string"},"number":{"description":"Block number or 'latest' (for /block)","type":"string"}},"type":"object"},"name":"chainread__balance"},{"description":"Read-only Base and Ethereum chain data over x402: gas, blocks, balances, token metadata, tx status, nonces, and token safety verdicts scored 0-100. Batch up to 25 tokens. Free /scan and /t/<address> verdict pages. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/chainread/batch","inputSchema":{"properties":{"address":{"description":"0x address or ERC-20 contract address","type":"string"},"addresses":{"description":"Up to 25 addresses (for /batch)","items":{"type":"string"},"type":"array"},"chain":{"enum":["base","ethereum"],"type":"string"},"hash":{"description":"0x transaction hash (for /tx)","type":"string"},"number":{"description":"Block number or 'latest' (for /block)","type":"string"}},"type":"object"},"name":"chainread__batch"},{"description":"Read-only Base and Ethereum chain data over x402: gas, blocks, balances, token metadata, tx status, nonces, and token safety verdicts scored 0-100. Batch up to 25 tokens. Free /scan and /t/<address> verdict pages. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/chainread/block","inputSchema":{"properties":{"address":{"description":"0x address or ERC-20 contract address","type":"string"},"addresses":{"description":"Up to 25 addresses (for /batch)","items":{"type":"string"},"type":"array"},"chain":{"enum":["base","ethereum"],"type":"string"},"hash":{"description":"0x transaction hash (for /tx)","type":"string"},"number":{"description":"Block number or 'latest' (for /block)","type":"string"}},"type":"object"},"name":"chainread__block"},{"description":"Read-only Base and Ethereum chain data over x402: gas, blocks, balances, token metadata, tx status, nonces, and token safety verdicts scored 0-100. Batch up to 25 tokens. Free /scan and /t/<address> verdict pages. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/chainread/code","inputSchema":{"properties":{"address":{"description":"0x address or ERC-20 contract address","type":"string"},"addresses":{"description":"Up to 25 addresses (for /batch)","items":{"type":"string"},"type":"array"},"chain":{"enum":["base","ethereum"],"type":"string"},"hash":{"description":"0x transaction hash (for /tx)","type":"string"},"number":{"description":"Block number or 'latest' (for /block)","type":"string"}},"type":"object"},"name":"chainread__code"},{"description":"Read-only Base and Ethereum chain data over x402: gas, blocks, balances, token metadata, tx status, nonces, and token safety verdicts scored 0-100. Batch up to 25 tokens. Free /scan and /t/<address> verdict pages. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/chainread/gas","inputSchema":{"properties":{"address":{"description":"0x address or ERC-20 contract address","type":"string"},"addresses":{"description":"Up to 25 addresses (for /batch)","items":{"type":"string"},"type":"array"},"chain":{"enum":["base","ethereum"],"type":"string"},"hash":{"description":"0x transaction hash (for /tx)","type":"string"},"number":{"description":"Block number or 'latest' (for /block)","type":"string"}},"type":"object"},"name":"chainread__gas"},{"description":"Read-only Base and Ethereum chain data over x402: gas, blocks, balances, token metadata, tx status, nonces, and token safety verdicts scored 0-100. Batch up to 25 tokens. Free /scan and /t/<address> verdict pages. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/chainread/network","inputSchema":{"properties":{"address":{"description":"0x address or ERC-20 contract address","type":"string"},"addresses":{"description":"Up to 25 addresses (for /batch)","items":{"type":"string"},"type":"array"},"chain":{"enum":["base","ethereum"],"type":"string"},"hash":{"description":"0x transaction hash (for /tx)","type":"string"},"number":{"description":"Block number or 'latest' (for /block)","type":"string"}},"type":"object"},"name":"chainread__network"},{"description":"Read-only Base and Ethereum chain data over x402: gas, blocks, balances, token metadata, tx status, nonces, and token safety verdicts scored 0-100. Batch up to 25 tokens. Free /scan and /t/<address> verdict pages. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/chainread/nonce","inputSchema":{"properties":{"address":{"description":"0x address or ERC-20 contract address","type":"string"},"addresses":{"description":"Up to 25 addresses (for /batch)","items":{"type":"string"},"type":"array"},"chain":{"enum":["base","ethereum"],"type":"string"},"hash":{"description":"0x transaction hash (for /tx)","type":"string"},"number":{"description":"Block number or 'latest' (for /block)","type":"string"}},"type":"object"},"name":"chainread__nonce"},{"description":"Read-only Base and Ethereum chain data over x402: gas, blocks, balances, token metadata, tx status, nonces, and token safety verdicts scored 0-100. Batch up to 25 tokens. Free /scan and /t/<address> verdict pages. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/chainread/token","inputSchema":{"properties":{"address":{"description":"0x address or ERC-20 contract address","type":"string"},"addresses":{"description":"Up to 25 addresses (for /batch)","items":{"type":"string"},"type":"array"},"chain":{"enum":["base","ethereum"],"type":"string"},"hash":{"description":"0x transaction hash (for /tx)","type":"string"},"number":{"description":"Block number or 'latest' (for /block)","type":"string"}},"type":"object"},"name":"chainread__token"},{"description":"Read-only Base and Ethereum chain data over x402: gas, blocks, balances, token metadata, tx status, nonces, and token safety verdicts scored 0-100. Batch up to 25 tokens. Free /scan and /t/<address> verdict pages. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/chainread/tx","inputSchema":{"properties":{"address":{"description":"0x address or ERC-20 contract address","type":"string"},"addresses":{"description":"Up to 25 addresses (for /batch)","items":{"type":"string"},"type":"array"},"chain":{"enum":["base","ethereum"],"type":"string"},"hash":{"description":"0x transaction hash (for /tx)","type":"string"},"number":{"description":"Block number or 'latest' (for /block)","type":"string"}},"type":"object"},"name":"chainread__tx"},{"description":"Read-only Base and Ethereum chain data over x402: gas, blocks, balances, token metadata, tx status, nonces, and token safety verdicts scored 0-100. Batch up to 25 tokens. Free /scan and /t/<address> verdict pages. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/chainread/verdict","inputSchema":{"properties":{"address":{"description":"0x address or ERC-20 contract address","type":"string"},"addresses":{"description":"Up to 25 addresses (for /batch)","items":{"type":"string"},"type":"array"},"chain":{"enum":["base","ethereum"],"type":"string"},"hash":{"description":"0x transaction hash (for /tx)","type":"string"},"number":{"description":"Block number or 'latest' (for /block)","type":"string"}},"type":"object"},"name":"chainread__verdict"},{"description":"Sanctions screening against US OFAC, UK OFSI and EU lists with real matching on all three. Screen a name, a wallet address, a batch, or your own watchlist. Non-Latin names are transliterated; unscreenable names return 400, never a false clear. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/check-sanctions/address","inputSchema":{"properties":{"days":{"description":"Look-back window in days (default 30, max 400).","type":"number"},"names":{"description":"Pipe-separated counterparty names to re-screen, up to 50.","type":"string"},"threshold":{"description":"Fuzzy match threshold 0.5-1.0 (default 0.85).","type":"number"}},"required":["names"],"type":"object"},"name":"check_sanctions__address"},{"description":"Sanctions screening against US OFAC, UK OFSI and EU lists with real matching on all three. Screen a name, a wallet address, a batch, or your own watchlist. Non-Latin names are transliterated; unscreenable names return 400, never a false clear. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/check-sanctions/batch","inputSchema":{"properties":{"days":{"description":"Look-back window in days (default 30, max 400).","type":"number"},"names":{"description":"Pipe-separated counterparty names to re-screen, up to 50.","type":"string"},"threshold":{"description":"Fuzzy match threshold 0.5-1.0 (default 0.85).","type":"number"}},"required":["names"],"type":"object"},"name":"check_sanctions__batch"},{"description":"Sanctions screening against US OFAC, UK OFSI and EU lists with real matching on all three. Screen a name, a wallet address, a batch, or your own watchlist. Non-Latin names are transliterated; unscreenable names return 400, never a false clear. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/check-sanctions/changes","inputSchema":{"properties":{"days":{"description":"Look-back window in days (default 30, max 400).","type":"number"},"names":{"description":"Pipe-separated counterparty names to re-screen, up to 50.","type":"string"},"threshold":{"description":"Fuzzy match threshold 0.5-1.0 (default 0.85).","type":"number"}},"required":["names"],"type":"object"},"name":"check_sanctions__changes"},{"description":"Sanctions screening against US OFAC, UK OFSI and EU lists with real matching on all three. Screen a name, a wallet address, a batch, or your own watchlist. Non-Latin names are transliterated; unscreenable names return 400, never a false clear. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/check-sanctions/screen","inputSchema":{"properties":{"days":{"description":"Look-back window in days (default 30, max 400).","type":"number"},"names":{"description":"Pipe-separated counterparty names to re-screen, up to 50.","type":"string"},"threshold":{"description":"Fuzzy match threshold 0.5-1.0 (default 0.85).","type":"number"}},"required":["names"],"type":"object"},"name":"check_sanctions__screen"},{"description":"Sanctions screening against US OFAC, UK OFSI and EU lists with real matching on all three. Screen a name, a wallet address, a batch, or your own watchlist. Non-Latin names are transliterated; unscreenable names return 400, never a false clear. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/check-sanctions/verdict","inputSchema":{"properties":{"days":{"description":"Look-back window in days (default 30, max 400).","type":"number"},"names":{"description":"Pipe-separated counterparty names to re-screen, up to 50.","type":"string"},"threshold":{"description":"Fuzzy match threshold 0.5-1.0 (default 0.85).","type":"number"}},"required":["names"],"type":"object"},"name":"check_sanctions__verdict"},{"description":"Sanctions screening against US OFAC, UK OFSI and EU lists with real matching on all three. Screen a name, a wallet address, a batch, or your own watchlist. Non-Latin names are transliterated; unscreenable names return 400, never a false clear. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/check-sanctions/watchlist","inputSchema":{"properties":{"days":{"description":"Look-back window in days (default 30, max 400).","type":"number"},"names":{"description":"Pipe-separated counterparty names to re-screen, up to 50.","type":"string"},"threshold":{"description":"Fuzzy match threshold 0.5-1.0 (default 0.85).","type":"number"}},"required":["names"],"type":"object"},"name":"check_sanctions__watchlist"},{"description":"Site change monitor for agents: /diff compares a URL against a durable baseline and returns changed text with added/removed line samples; /watchlist stores URLs per buyer. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/chgwatch/diff","inputSchema":{"properties":{"mode":{"description":"What to compare","enum":["text","markdown","meta","links"],"type":"string"},"store":{"description":"true to save this snapshot as the new baseline","type":"string"},"url":{"description":"URL to diff against its stored baseline","type":"string"}},"required":["url"],"type":"object"},"name":"chgwatch__diff"},{"description":"Site change monitor for agents: /diff compares a URL against a durable baseline and returns changed text with added/removed line samples; /watchlist stores URLs per buyer. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/chgwatch/diffmulti","inputSchema":{"properties":{"mode":{"description":"What to compare","enum":["text","markdown","meta","links"],"type":"string"},"store":{"description":"true to save this snapshot as the new baseline","type":"string"},"url":{"description":"URL to diff against its stored baseline","type":"string"}},"required":["url"],"type":"object"},"name":"chgwatch__diffmulti"},{"description":"Site change monitor for agents: /diff compares a URL against a durable baseline and returns changed text with added/removed line samples; /watchlist stores URLs per buyer. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/chgwatch/watch","inputSchema":{"properties":{"mode":{"description":"What to compare","enum":["text","markdown","meta","links"],"type":"string"},"store":{"description":"true to save this snapshot as the new baseline","type":"string"},"url":{"description":"URL to diff against its stored baseline","type":"string"}},"required":["url"],"type":"object"},"name":"chgwatch__watch"},{"description":"Site change monitor for agents: /diff compares a URL against a durable baseline and returns changed text with added/removed line samples; /watchlist stores URLs per buyer. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/chgwatch/watchlist","inputSchema":{"properties":{"mode":{"description":"What to compare","enum":["text","markdown","meta","links"],"type":"string"},"store":{"description":"true to save this snapshot as the new baseline","type":"string"},"url":{"description":"URL to diff against its stored baseline","type":"string"}},"required":["url"],"type":"object"},"name":"chgwatch__watchlist"},{"description":"One joined company dossier from public sources: SEC EDGAR identity, CIK, SIC industry, incorporation state, recent filings, plus RDAP domain facts and an OFAC/UK/EU sanctions screen of the name. No personal data…[44 more chars, already applied] Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/company-facts/lookup","inputSchema":{"properties":{"company":{"description":"Company name to look up; \"q\" is accepted as an alias.","type":"string"}},"required":["company"],"type":"object"},"name":"company_facts__lookup"},{"description":"One joined company dossier from public sources: SEC EDGAR identity, CIK, SIC industry, incorporation state, recent filings, plus RDAP domain facts and an OFAC/UK/EU sanctions screen of the name. No personal data…[44 more chars, already applied] Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/company-facts/snapshot","inputSchema":{"properties":{"company":{"description":"Company name to look up; \"q\" is accepted as an alias.","type":"string"}},"required":["company"],"type":"object"},"name":"company_facts__snapshot"},{"description":"One call joins public SEC EDGAR data into an agent-ready brief: company profile, annual financial series (revenue, net income, assets, cash, EPS) with YoY growth and margins, recent filings, and risk-factor excerpts. Saves an agent five separate lookups and all the parsing. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/composite/brief","inputSchema":{"properties":{"excerpts":{"description":"Max risk-factor excerpts (0-10)","type":"integer"},"q":{"description":"Ticker, company name or CIK, e.g. AAPL, nvidia, 320193","type":"string"}},"required":["q"],"type":"object"},"name":"composite__brief"},{"description":"One call joins public SEC EDGAR data into an agent-ready brief: company profile, annual financial series (revenue, net income, assets, cash, EPS) with YoY growth and margins, recent filings, and risk-factor excerpts. Saves an agent five separate lookups and all the parsing. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/composite/filings","inputSchema":{"properties":{"excerpts":{"description":"Max risk-factor excerpts (0-10)","type":"integer"},"q":{"description":"Ticker, company name or CIK, e.g. AAPL, nvidia, 320193","type":"string"}},"required":["q"],"type":"object"},"name":"composite__filings"},{"description":"One call joins public SEC EDGAR data into an agent-ready brief: company profile, annual financial series (revenue, net income, assets, cash, EPS) with YoY growth and margins, recent filings, and risk-factor excerpts. Saves an agent five separate lookups and all the parsing. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/composite/watchlist","inputSchema":{"properties":{"excerpts":{"description":"Max risk-factor excerpts (0-10)","type":"integer"},"q":{"description":"Ticker, company name or CIK, e.g. AAPL, nvidia, 320193","type":"string"}},"required":["q"],"type":"object"},"name":"composite__watchlist"},{"description":"Trust check for any domain in one call: DNS records, email auth (SPF/DMARC/DKIM), WHOIS registrar and age, live HTTP status, TLS certificate issuer/expiry and HSTS. Free /preflight returns the real records as a sample; paid /dns full report, /batch up to 10 domains. Price: $0.03 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/domain-intel/batch","inputSchema":{"properties":{"domain":{"description":"Public domain name, e.g. example.com","type":"string"},"domains":{"description":"For /batch: comma separated domains, max 10","type":"string"}},"type":"object"},"name":"domain_intel__batch"},{"description":"Trust check for any domain in one call: DNS records, email auth (SPF/DMARC/DKIM), WHOIS registrar and age, live HTTP status, TLS certificate issuer/expiry and HSTS. Free /preflight returns the real records as a sample; paid /dns full report, /batch up to 10 domains. Price: $0.03 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/domain-intel/dns","inputSchema":{"properties":{"domain":{"description":"Public domain name, e.g. example.com","type":"string"},"domains":{"description":"For /batch: comma separated domains, max 10","type":"string"}},"type":"object"},"name":"domain_intel__dns"},{"description":"DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA) and RDAP registration facts for any domain: registrar, created and expiry dates, domain age, days to expiry, nameservers, EPP status. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/domfacts/dns","inputSchema":{"properties":{"domain":{"type":"string"}},"type":"object"},"name":"domfacts__dns"},{"description":"DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA) and RDAP registration facts for any domain: registrar, created and expiry dates, domain age, days to expiry, nameservers, EPP status. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/domfacts/rdap","inputSchema":{"properties":{"domain":{"type":"string"}},"type":"object"},"name":"domfacts__rdap"},{"description":"Public SEC EDGAR data for agents: company profile plus recent filings, XBRL financial history for any tag (revenue, net income, assets), and full-text search across EDGAR filings si…[29 more chars, already applied] Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/edgar/company","inputSchema":{"properties":{"limit":{"description":"Max results (1-100)","type":"integer"},"period":{"description":"all, annual or quarterly","enum":["all","annual","quarterly"],"type":"string"},"q":{"description":"Ticker, company name or CIK, e.g. AAPL, nvidia, 320193","type":"string"},"tag":{"description":"XBRL tag or alias: revenue, net_income, assets, cash, eps, or any us-gaap tag","type":"string"}},"required":["q"],"type":"object"},"name":"edgar__company"},{"description":"Public SEC EDGAR data for agents: company profile plus recent filings, XBRL financial history for any tag (revenue, net income, assets), and full-text search across EDGAR filings si…[29 more chars, already applied] Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/edgar/financials","inputSchema":{"properties":{"limit":{"description":"Max results (1-100)","type":"integer"},"period":{"description":"all, annual or quarterly","enum":["all","annual","quarterly"],"type":"string"},"q":{"description":"Ticker, company name or CIK, e.g. AAPL, nvidia, 320193","type":"string"},"tag":{"description":"XBRL tag or alias: revenue, net_income, assets, cash, eps, or any us-gaap tag","type":"string"}},"required":["q"],"type":"object"},"name":"edgar__financials"},{"description":"Public SEC EDGAR data for agents: company profile plus recent filings, XBRL financial history for any tag (revenue, net income, assets), and full-text search across EDGAR filings si…[29 more chars, already applied] Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/edgar/resolve","inputSchema":{"properties":{"limit":{"description":"Max results (1-100)","type":"integer"},"period":{"description":"all, annual or quarterly","enum":["all","annual","quarterly"],"type":"string"},"q":{"description":"Ticker, company name or CIK, e.g. AAPL, nvidia, 320193","type":"string"},"tag":{"description":"XBRL tag or alias: revenue, net_income, assets, cash, eps, or any us-gaap tag","type":"string"}},"required":["q"],"type":"object"},"name":"edgar__resolve"},{"description":"Public SEC EDGAR data for agents: company profile plus recent filings, XBRL financial history for any tag (revenue, net income, assets), and full-text search across EDGAR filings si…[29 more chars, already applied] Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/edgar/search","inputSchema":{"properties":{"limit":{"description":"Max results (1-100)","type":"integer"},"period":{"description":"all, annual or quarterly","enum":["all","annual","quarterly"],"type":"string"},"q":{"description":"Ticker, company name or CIK, e.g. AAPL, nvidia, 320193","type":"string"},"tag":{"description":"XBRL tag or alias: revenue, net_income, assets, cash, eps, or any us-gaap tag","type":"string"}},"required":["q"],"type":"object"},"name":"edgar__search"},{"description":"Feed digest for agents: /digest returns a deduped, time-windowed digest across curated AI/tech/security news feeds, filterable by category or keyword, newest first, as JSON. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/feednews/digest","inputSchema":{"properties":{"limit":{"maximum":100,"minimum":1,"type":"integer"},"q":{"description":"Keyword filter","type":"string"},"since_hours":{"description":"Time window in hours","minimum":1,"type":"integer"},"sources":{"description":"Category filter, e.g. cat:ai, cat:security","type":"string"}},"type":"object"},"name":"feednews__digest"},{"description":"Live perpetual funding rates from Binance, Bybit, OKX and Hyperliquid in one call, with annualized figures and cross-venue comparison. Batch up to 10 symbols. Free /preflight sample. Price: $0.04 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/funding-rates/batch","inputSchema":{"properties":{"symbol":{"description":"Perpetual symbol, e.g. BTC or ETH","type":"string"},"symbols":{"description":"For /batch: comma separated symbols, max 10","type":"string"}},"required":["symbol"],"type":"object"},"name":"funding_rates__batch"},{"description":"Live perpetual funding rates from Binance, Bybit, OKX and Hyperliquid in one call, with annualized figures and cross-venue comparison. Batch up to 10 symbols. Free /preflight sample. Price: $0.04 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/funding-rates/best","inputSchema":{"properties":{"symbol":{"description":"Perpetual symbol, e.g. BTC or ETH","type":"string"},"symbols":{"description":"For /batch: comma separated symbols, max 10","type":"string"}},"required":["symbol"],"type":"object"},"name":"funding_rates__best"},{"description":"Live perpetual funding rates from Binance, Bybit, OKX and Hyperliquid in one call, with annualized figures and cross-venue comparison. Batch up to 10 symbols. Free /preflight sample. Price: $0.04 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/funding-rates/funding","inputSchema":{"properties":{"symbol":{"description":"Perpetual symbol, e.g. BTC or ETH","type":"string"},"symbols":{"description":"For /batch: comma separated symbols, max 10","type":"string"}},"required":["symbol"],"type":"object"},"name":"funding_rates__funding"},{"description":"Live perpetual funding rates from Binance, Bybit, OKX and Hyperliquid in one call, with annualized figures and cross-venue comparison. Batch up to 10 symbols. Free /preflight sample. Price: $0.04 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/funding-rates/history","inputSchema":{"properties":{"symbol":{"description":"Perpetual symbol, e.g. BTC or ETH","type":"string"},"symbols":{"description":"For /batch: comma separated symbols, max 10","type":"string"}},"required":["symbol"],"type":"object"},"name":"funding_rates__history"},{"description":"Live perpetual funding rates from Binance, Bybit, OKX and Hyperliquid in one call, with annualized figures and cross-venue comparison. Batch up to 10 symbols. Free /preflight sample. Price: $0.04 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/funding-rates/rates","inputSchema":{"properties":{"symbol":{"description":"Perpetual symbol, e.g. BTC or ETH","type":"string"},"symbols":{"description":"For /batch: comma separated symbols, max 10","type":"string"}},"required":["symbol"],"type":"object"},"name":"funding_rates__rates"},{"description":"Perpetual funding rates across 7 venues (Binance, Bybit, OKX, Bitget, Hyperliquid, dYdX, Deribit), normalized to 8h and annualized. Free /sample. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/fundinglens/best","inputSchema":{"properties":{"symbols":{"type":"string"}},"type":"object"},"name":"fundinglens__best"},{"description":"Perpetual funding rates across 7 venues (Binance, Bybit, OKX, Bitget, Hyperliquid, dYdX, Deribit), normalized to 8h and annualized. Free /sample. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/fundinglens/rates","inputSchema":{"properties":{"symbols":{"type":"string"}},"type":"object"},"name":"fundinglens__rates"},{"description":"Free. Lists the paid services on this server: name, description, price, HTTP paths, MCP tools and OpenAPI document. Paid tools are billed per call with x402 in USDC on Base.","inputSchema":{"additionalProperties":false,"properties":{},"type":"object"},"name":"list_services"},{"description":"Page audit for agents: /audit checks one URL and returns title, word count, metadata/OG tags, link counts and a clean markdown extract in one call. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/pageaudit/audit","inputSchema":{"properties":{"url":{"description":"Page URL to audit (https)","type":"string"}},"required":["url"],"type":"object"},"name":"pageaudit__audit"},{"description":"Token due-diligence report for any Base/ETH/BSC/Arbitrum token: live price and liquidity, contract security (honeypot, mint/freeze authority, tax, holder concentration), on-chain supply checks and a risk verdict. Free preview; full report $0.01. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/token-dd/batch","inputSchema":{"properties":{"address":{"description":"0x-prefixed token contract address","type":"string"},"chain":{"enum":["base","ethereum","bsc","arbitrum"],"type":"string"}},"required":["chain","address"],"type":"object"},"name":"token_dd__batch"},{"description":"Token due-diligence report for any Base/ETH/BSC/Arbitrum token: live price and liquidity, contract security (honeypot, mint/freeze authority, tax, holder concentration), on-chain supply checks and a risk verdict. Free preview; full report $0.01. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/token-dd/check","inputSchema":{"properties":{"address":{"description":"0x-prefixed token contract address","type":"string"},"chain":{"enum":["base","ethereum","bsc","arbitrum"],"type":"string"}},"required":["chain","address"],"type":"object"},"name":"token_dd__check"},{"description":"Base mainnet tx preflight for agents: will it revert, gas used, EIP-1559 fee estimate and cost in ETH/USD, ERC-20 allowance check, x402 settlement verify, and /guard = preflight+allowance+verdict in one call. Price: $0.03 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/txpreflight/allowance","inputSchema":{"properties":{"data":{"type":"string"},"from":{"type":"string"},"owner":{"type":"string"},"spender":{"type":"string"},"to":{"type":"string"},"token":{"type":"string"}},"type":"object"},"name":"txpreflight__allowance"},{"description":"Base mainnet tx preflight for agents: will it revert, gas used, EIP-1559 fee estimate and cost in ETH/USD, ERC-20 allowance check, x402 settlement verify, and /guard = preflight+allowance+verdict in one call. Price: $0.03 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/txpreflight/guard","inputSchema":{"properties":{"data":{"type":"string"},"from":{"type":"string"},"owner":{"type":"string"},"spender":{"type":"string"},"to":{"type":"string"},"token":{"type":"string"}},"type":"object"},"name":"txpreflight__guard"},{"description":"Base mainnet tx preflight for agents: will it revert, gas used, EIP-1559 fee estimate and cost in ETH/USD, ERC-20 allowance check, x402 settlement verify, and /guard = preflight+allowance+verdict in one call. Price: $0.03 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/txpreflight/preflight","inputSchema":{"properties":{"data":{"type":"string"},"from":{"type":"string"},"owner":{"type":"string"},"spender":{"type":"string"},"to":{"type":"string"},"token":{"type":"string"}},"type":"object"},"name":"txpreflight__preflight"},{"description":"Base mainnet tx preflight for agents: will it revert, gas used, EIP-1559 fee estimate and cost in ETH/USD, ERC-20 allowance check, x402 settlement verify, and /guard = preflight+allowance+verdict in one call. Price: $0.03 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/txpreflight/verify","inputSchema":{"properties":{"data":{"type":"string"},"from":{"type":"string"},"owner":{"type":"string"},"spender":{"type":"string"},"to":{"type":"string"},"token":{"type":"string"}},"type":"object"},"name":"txpreflight__verify"},{"description":"Base mainnet wallet activity profile: native balance, outgoing tx count, ERC-20 transfer counts and per-token flows in a block window, distinct counterparties, approval events, a heuristic risk score with verdict/flags, plus an OFAC exact-address screen. Public chain data only. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/walletprofile/profile","inputSchema":{"properties":{"address":{"type":"string"},"range_blocks":{"type":"number"}},"type":"object"},"name":"walletprofile__profile"},{"description":"Base mainnet wallet activity profile: native balance, outgoing tx count, ERC-20 transfer counts and per-token flows in a block window, distinct counterparties, approval events, a heuristic risk score with verdict/flags, plus an OFAC exact-address screen. Public chain data only. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/walletprofile/sanctions","inputSchema":{"properties":{"address":{"type":"string"},"range_blocks":{"type":"number"}},"type":"object"},"name":"walletprofile__sanctions"},{"description":"Extract clean readable text or markdown from any public web page: title, language, word/paragraph counts and the full article body. Free /preview sample first. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/web-extract/extract","inputSchema":{"properties":{"format":{"description":"text or markdown","enum":["text","markdown"],"type":"string"},"url":{"description":"Public web page URL","type":"string"}},"required":["url"],"type":"object"},"name":"web_extract__extract"},{"description":"Convert any public web page into clean markdown plus title, description, headings, word count and link inventory. Batch up to 10 URLs in one call. Free /demo shows a full real extraction first. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/webmd/extract","inputSchema":{"properties":{"chars":{"description":"Max markdown characters to return.","type":"number"},"url":{"description":"Public http(s) page to convert.","type":"string"}},"required":["url"],"type":"object"},"name":"webmd__extract"},{"description":"Fetch a public web page and return clean structured content for agents: title and description, heading outline, main article text (boilerplate removed), markdown, links, images, tables and JSON-LD. No LLM, no API key, ~1s. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/webread/meta","inputSchema":{"properties":{"limit":{"description":"Max characters of main text/markdown (200-60000)","type":"integer"},"mode":{"description":"all, text, markdown, outline, links, images, tables or jsonld","enum":["all","text","markdown","outline","links","images","tables","jsonld"],"type":"string"},"same_domain_only":{"description":"For links mode: only links on the same domain (default true)","type":"boolean"},"url":{"description":"Public http(s) URL to read","type":"string"}},"required":["url"],"type":"object"},"name":"webread__meta"},{"description":"Fetch a public web page and return clean structured content for agents: title and description, heading outline, main article text (boilerplate removed), markdown, links, images, tables and JSON-LD. No LLM, no API key, ~1s. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/webread/outline","inputSchema":{"properties":{"limit":{"description":"Max characters of main text/markdown (200-60000)","type":"integer"},"mode":{"description":"all, text, markdown, outline, links, images, tables or jsonld","enum":["all","text","markdown","outline","links","images","tables","jsonld"],"type":"string"},"same_domain_only":{"description":"For links mode: only links on the same domain (default true)","type":"boolean"},"url":{"description":"Public http(s) URL to read","type":"string"}},"required":["url"],"type":"object"},"name":"webread__outline"},{"description":"Fetch a public web page and return clean structured content for agents: title and description, heading outline, main article text (boilerplate removed), markdown, links, images, tables and JSON-LD. No LLM, no API key, ~1s. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/webread/read","inputSchema":{"properties":{"limit":{"description":"Max characters of main text/markdown (200-60000)","type":"integer"},"mode":{"description":"all, text, markdown, outline, links, images, tables or jsonld","enum":["all","text","markdown","outline","links","images","tables","jsonld"],"type":"string"},"same_domain_only":{"description":"For links mode: only links on the same domain (default true)","type":"boolean"},"url":{"description":"Public http(s) URL to read","type":"string"}},"required":["url"],"type":"object"},"name":"webread__read"},{"description":"One-call web research for agents: merges Hacker News, GitHub, Wikipedia and Stack Exchange into relevance-ranked results; /brief also returns clean markdown of the top hits, /briefbatch does 3 briefs per call, and free /demo previews output quality. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/websearch/brief","inputSchema":{"properties":{"format":{"description":"json (default) or md","enum":["json","md"],"type":"string"},"limit":{"description":"Max results, default 10","maximum":20,"minimum":1,"type":"integer"},"q":{"description":"Search query","type":"string"},"sources":{"description":"Comma list of hn,github,wiki,se (default all)","type":"string"}},"required":["q"],"type":"object"},"name":"websearch__brief"},{"description":"One-call web research for agents: merges Hacker News, GitHub, Wikipedia and Stack Exchange into relevance-ranked results; /brief also returns clean markdown of the top hits, /briefbatch does 3 briefs per call, and free /demo previews output quality. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/websearch/briefbatch","inputSchema":{"properties":{"format":{"description":"json (default) or md","enum":["json","md"],"type":"string"},"limit":{"description":"Max results, default 10","maximum":20,"minimum":1,"type":"integer"},"q":{"description":"Search query","type":"string"},"sources":{"description":"Comma list of hn,github,wiki,se (default all)","type":"string"}},"required":["q"],"type":"object"},"name":"websearch__briefbatch"},{"description":"One-call web research for agents: merges Hacker News, GitHub, Wikipedia and Stack Exchange into relevance-ranked results; /brief also returns clean markdown of the top hits, /briefbatch does 3 briefs per call, and free /demo previews output quality. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/websearch/search","inputSchema":{"properties":{"format":{"description":"json (default) or md","enum":["json","md"],"type":"string"},"limit":{"description":"Max results, default 10","maximum":20,"minimum":1,"type":"integer"},"q":{"description":"Search query","type":"string"},"sources":{"description":"Comma list of hn,github,wiki,se (default all)","type":"string"}},"required":["q"],"type":"object"},"name":"websearch__search"},{"description":"Preflight and monitoring for x402/HTTP APIs: free structural audit of any x402 challenge, free /watch to register your URL for ongoing probes, plus paid live probe, headers, TLS and uptime history. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/x402-preflight/check","inputSchema":{"properties":{"url":{"description":"https URL of an x402-paid endpoint to probe","type":"string"}},"required":["url"],"type":"object"},"name":"x402_preflight__check"},{"description":"Preflight and monitoring for x402/HTTP APIs: free structural audit of any x402 challenge, free /watch to register your URL for ongoing probes, plus paid live probe, headers, TLS and uptime history. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/x402-preflight/headers","inputSchema":{"properties":{"url":{"description":"https URL of an x402-paid endpoint to probe","type":"string"}},"required":["url"],"type":"object"},"name":"x402_preflight__headers"},{"description":"Preflight and monitoring for x402/HTTP APIs: free structural audit of any x402 challenge, free /watch to register your URL for ongoing probes, plus paid live probe, headers, TLS and uptime history. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/x402-preflight/tls","inputSchema":{"properties":{"url":{"description":"https URL of an x402-paid endpoint to probe","type":"string"}},"required":["url"],"type":"object"},"name":"x402_preflight__tls"},{"description":"Verify x402 endpoints and read live EVM chain facts at $0.01/call: /check decodes a seller's 402 payment requirements; /block, /gas, /balance, /nonce, /erc20, /tx read Base or Ethereum mainnet state over public JSON-RPC. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/x402check/balance","inputSchema":{"properties":{"address":{"description":"0x eth address for /balance or /nonce","type":"string"},"chain":{"description":"which chain to read, default base","enum":["base","eth"],"type":"string"},"hash":{"description":"0x transaction hash for /tx","type":"string"},"token":{"description":"ERC20 contract 0x address for /erc20","type":"string"},"url":{"description":"seller URL for /check","type":"string"}},"type":"object"},"name":"x402check__balance"},{"description":"Verify x402 endpoints and read live EVM chain facts at $0.01/call: /check decodes a seller's 402 payment requirements; /block, /gas, /balance, /nonce, /erc20, /tx read Base or Ethereum mainnet state over public JSON-RPC. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/x402check/block","inputSchema":{"properties":{"address":{"description":"0x eth address for /balance or /nonce","type":"string"},"chain":{"description":"which chain to read, default base","enum":["base","eth"],"type":"string"},"hash":{"description":"0x transaction hash for /tx","type":"string"},"token":{"description":"ERC20 contract 0x address for /erc20","type":"string"},"url":{"description":"seller URL for /check","type":"string"}},"type":"object"},"name":"x402check__block"},{"description":"Verify x402 endpoints and read live EVM chain facts at $0.01/call: /check decodes a seller's 402 payment requirements; /block, /gas, /balance, /nonce, /erc20, /tx read Base or Ethereum mainnet state over public JSON-RPC. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/x402check/check","inputSchema":{"properties":{"address":{"description":"0x eth address for /balance or /nonce","type":"string"},"chain":{"description":"which chain to read, default base","enum":["base","eth"],"type":"string"},"hash":{"description":"0x transaction hash for /tx","type":"string"},"token":{"description":"ERC20 contract 0x address for /erc20","type":"string"},"url":{"description":"seller URL for /check","type":"string"}},"type":"object"},"name":"x402check__check"},{"description":"Verify x402 endpoints and read live EVM chain facts at $0.01/call: /check decodes a seller's 402 payment requirements; /block, /gas, /balance, /nonce, /erc20, /tx read Base or Ethereum mainnet state over public JSON-RPC. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/x402check/erc20","inputSchema":{"properties":{"address":{"description":"0x eth address for /balance or /nonce","type":"string"},"chain":{"description":"which chain to read, default base","enum":["base","eth"],"type":"string"},"hash":{"description":"0x transaction hash for /tx","type":"string"},"token":{"description":"ERC20 contract 0x address for /erc20","type":"string"},"url":{"description":"seller URL for /check","type":"string"}},"type":"object"},"name":"x402check__erc20"},{"description":"Verify x402 endpoints and read live EVM chain facts at $0.01/call: /check decodes a seller's 402 payment requirements; /block, /gas, /balance, /nonce, /erc20, /tx read Base or Ethereum mainnet state over public JSON-RPC. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/x402check/gas","inputSchema":{"properties":{"address":{"description":"0x eth address for /balance or /nonce","type":"string"},"chain":{"description":"which chain to read, default base","enum":["base","eth"],"type":"string"},"hash":{"description":"0x transaction hash for /tx","type":"string"},"token":{"description":"ERC20 contract 0x address for /erc20","type":"string"},"url":{"description":"seller URL for /check","type":"string"}},"type":"object"},"name":"x402check__gas"},{"description":"Verify x402 endpoints and read live EVM chain facts at $0.01/call: /check decodes a seller's 402 payment requirements; /block, /gas, /balance, /nonce, /erc20, /tx read Base or Ethereum mainnet state over public JSON-RPC. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/x402check/nonce","inputSchema":{"properties":{"address":{"description":"0x eth address for /balance or /nonce","type":"string"},"chain":{"description":"which chain to read, default base","enum":["base","eth"],"type":"string"},"hash":{"description":"0x transaction hash for /tx","type":"string"},"token":{"description":"ERC20 contract 0x address for /erc20","type":"string"},"url":{"description":"seller URL for /check","type":"string"}},"type":"object"},"name":"x402check__nonce"},{"description":"Verify x402 endpoints and read live EVM chain facts at $0.01/call: /check decodes a seller's 402 payment requirements; /block, /gas, /balance, /nonce, /erc20, /tx read Base or Ethereum mainnet state over public JSON-RPC. Price: $0.01 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: GET https://api.firstmention.uk/s/x402check/tx","inputSchema":{"properties":{"address":{"description":"0x eth address for /balance or /nonce","type":"string"},"chain":{"description":"which chain to read, default base","enum":["base","eth"],"type":"string"},"hash":{"description":"0x transaction hash for /tx","type":"string"},"token":{"description":"ERC20 contract 0x address for /erc20","type":"string"},"url":{"description":"seller URL for /check","type":"string"}},"type":"object"},"name":"x402check__tx"},{"description":"x402 market intelligence over 41k live listings. Free /search, /market, /compare, /gaps, /opportunities, /sellers, /guide. Paid: /verdict vets an endpoint (or batch of 25); /demandreport.json returns the 30-day distinct-payer demand report. Price: $0.03 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/x402index/demandreport.json","inputSchema":{"properties":{"resource":{"type":"string"}},"type":"object"},"name":"x402index__demandreport_json"},{"description":"x402 market intelligence over 41k live listings. Free /search, /market, /compare, /gaps, /opportunities, /sellers, /guide. Paid: /verdict vets an endpoint (or batch of 25); /demandreport.json returns the 30-day distinct-payer demand report. Price: $0.03 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/x402index/demandreport.md","inputSchema":{"properties":{"resource":{"type":"string"}},"type":"object"},"name":"x402index__demandreport_md"},{"description":"x402 market intelligence over 41k live listings. Free /search, /market, /compare, /gaps, /opportunities, /sellers, /guide. Paid: /verdict vets an endpoint (or batch of 25); /demandreport.json returns the 30-day distinct-payer demand report. Price: $0.03 per call in USDC on Base (eip155:8453), paid with x402 in params._meta[\"x402/payment\"]. HTTP: POST https://api.firstmention.uk/s/x402index/verdict","inputSchema":{"properties":{"resource":{"type":"string"}},"type":"object"},"name":"x402index__verdict"}]},"body_sha256":"23cb0fa669946f1c90fe30e4d4cd4d748bfb439aece2795bc16e38266efce7a7","prev_id":1476756,"leaf":"0x6f56b74211fc2792530c767b8ed54ba3978b82caa91e7eef976dbb16dc4e62f7","leaf_text":"{\"body\":\"23cb0fa669946f1c90fe30e4d4cd4d748bfb439aece2795bc16e38266efce7a7\",\"id\":1489968,\"kind\":\"mcp.tools\",\"method\":\"probe.mcp/1\",\"observed_us\":1793455892016080,\"prev\":1476756,\"subject\":\"a61387e3-4b70-4c60-b007-95fcdcae113d\",\"subject_kind\":\"endpoint\"}","day":{"day":"2026-10-31","leaves":246033,"root":"0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab","chained":"0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980","anchor_chain":"eip155:5042002","anchor_tx":"0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0","anchor_block":70093156},"proof":["0x6f565f8b8830dddd4d3c4943c0b67e001050c00bf3a4308dab413aa72f5a7843","0xdc23ab8469acaa8f19835553d6a6dce27b66b7075d9a1620e574157483707253","0x72f63a7707bfead13258b1fdc71d372cc34c7ae1e1742f827de8665774636bf0","0x7745d8dc94e2b9b99b5bf4c04717dbcf154c63d43262120c5521e6ccbacd8d4f","0x17aca0365a7d700923710922c244967ca7ed921ae2b648e954214bfd779414b1","0xd5473b74e41ba81ba278bed6d53f94180c5429f90792b7ac81299becdeabf7d2","0x14a5ca72147ede30b7b3203195289862a12b203f058f42a6bd7009cfd3dfa82b","0xade40dc2d31aff8b566001904c47c4e61a4e6b425886dc2172e7ad9771db61ce","0x2740cd34006743390d97938573699327144aa7346dcd8f82795ded44210f372f","0xf527aedabdeb966a22ce67375c17c94348e0e4a3574e522b101059a74630fde6","0x2593847d4bc89ad8191cdc96d7351bd6f56b5062c27dffa026830170aa38e7af","0x048e2382061ff66a96d3973aa56f87284b7c8ce71b484398445be36f01dac131","0x22ce62f80d102d44981e7a95b28386862f9f6290fae5a802b288d50f61d0e85b","0x41e1f7c43ac5b235ed2b70fcc7418dedf8f488e17dfa6d5347558c4b213497ea","0xda82240eda32eeb01478d5898342fa15b35b5682549347c7a22660b37913617f","0x919f237dec4df392868ab95f1d4300b185479ae64464cbc2e7385ad1fd6ab390","0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101","0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15"]}