{"id":222616,"recorded_at":"2026-10-26T15:22:42.498876Z","observed_at":"2026-10-26T15:22:42.498813Z","subject_kind":"endpoint","subject":"3aff4ff0-e87d-4560-b36f-009df54f294a","kind":"mcp.tools","method":"probe.mcp/1","body":{"count":88,"tools":[{"description":"Create a timestamped content fingerprint of client-provided claims and source URL with explicit unsigned/unverified provenance. No fabricated signed attestation. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"claims":{"items":{"maxLength":600,"type":"string"},"maxItems":20,"minItems":1,"type":"array"},"source_url":{"format":"uri","type":"string"}},"required":["source_url","claims"],"type":"object"},"name":"agent-evidence-fingerprint"},{"description":"Pre-trade context bundle for autonomous crypto agents: wallet balance, allowance, gas, realtime price, 24h statistics and best bid/ask. Call immediately before every automated trade, swap or payment and refresh again before the next execution. Data only. Costs $0.01 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"address":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"balance_tokens":{"items":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"maxItems":20,"type":"array"},"network":{"enum":["base","ethereum"],"type":"string"},"product_id":{"pattern":"^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$","type":"string"},"spender":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"token_contract":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"}},"required":["address","spender","token_contract","product_id"],"type":"object"},"name":"agent-pretrade-context"},{"description":"Compare independently supplied, explicitly attributed supplier quotes by quoted cost; does not execute external purchasing or claim live supplier verification. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"quotes":{"items":{"additionalProperties":true,"properties":{},"type":"object"},"maxItems":25,"minItems":1,"type":"array"}},"required":["quotes"],"type":"object"},"name":"agent-procurement-quote"},{"description":"Transaction confirmation watch for autonomous agents. Poll about every 15 seconds while pending, reusing the returned next request/state, and stop automatically once confirmed or reverted. Costs $0.003 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"network":{"enum":["base","ethereum"],"type":"string"},"previous_state_hash":{"pattern":"^[a-fA-F0-9]{64}$","type":"string"},"tx_hash":{"pattern":"^0x[a-fA-F0-9]{64}$","type":"string"}},"required":["tx_hash"],"type":"object"},"name":"agent-transaction-watch"},{"description":"Recurring crypto treasury snapshot for autonomous agents: balances, gas and recent USDC/ERC-20 activity with cursor/state and a ready next request. Designed for scheduled treasury/accounting loops; repeat about every five minutes while active. Costs $0.01 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"activity_contract":{"description":"ERC-20 activity contract; defaults to USDC.","pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"activity_cursor":{"minimum":0,"type":"integer"},"address":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"lookback_blocks":{"maximum":5000,"minimum":1,"type":"integer"},"network":{"enum":["base","ethereum"],"type":"string"},"previous_state_hash":{"pattern":"^[a-fA-F0-9]{64}$","type":"string"},"tokens":{"items":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"maxItems":20,"type":"array"}},"required":["address"],"type":"object"},"name":"agent-treasury-snapshot"},{"description":"Recurring wallet monitor for crypto agents. Check balances and new USDC/ERC-20 transfers since the prior cursor, then return a ready next request. Designed to be called about every 60 seconds for deposit detection, payment monitoring and treasury alerts. Costs $0.005 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"activity_contract":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"address":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"cursor":{"minimum":0,"type":"integer"},"lookback_blocks":{"maximum":5000,"minimum":1,"type":"integer"},"network":{"enum":["base","ethereum"],"type":"string"},"previous_state_hash":{"pattern":"^[a-fA-F0-9]{64}$","type":"string"},"tokens":{"items":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"maxItems":20,"type":"array"}},"required":["address"],"type":"object"},"name":"agent-wallet-monitor"},{"description":"Perform one operator-authorized HEAD request to a public supplier endpoint using SSRF-safe existing gateway HTTP tooling; no paid crawler triggering. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"operator_authorized":{"type":"boolean"},"url":{"format":"uri","type":"string"}},"required":["url","operator_authorized"],"type":"object"},"name":"authorized-endpoint-health"},{"description":"Read-only Base execution-gas estimate compared to caller-defined wei fee ceiling. Does not quote total Base transaction fees (L1 data fee unknown), nor transact. Costs $0.001 Base USDC via x402. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"gas_limit":{"maximum":3000000,"minimum":21000,"type":"integer"},"max_execution_fee_wei":{"pattern":"^\\d{1,30}$","type":"string"},"network":{"const":"base","type":"string"}},"required":["gas_limit","max_execution_fee_wei"],"type":"object"},"name":"base-gas-execution-fee-preflight"},{"description":"Independently inspect Base on-chain USDC Transfer logs to the Industrial Platform seller for one transaction. Does not claim x402 HTTP execution or production intent. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"tx_hash":{"pattern":"^0x[a-fA-F0-9]{64}$","type":"string"}},"required":["tx_hash"],"type":"object"},"name":"base-usdc-receipt-proof"},{"description":"Base64 encode decode UTF-8 text in one endpoint. Supports standard and URL-safe Base64 decoding. Use mode encode or decode for deterministic agent data conversion. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"mode":{"enum":["encode","decode"],"type":"string"},"text":{"description":"Input text or Base64 value.","maxLength":250000,"type":"string"}},"required":["text"],"type":"object"},"name":"base64"},{"description":"Base64 decode a standard Base64 string into UTF-8 text for API payload recovery, data conversion and agent workflows. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"value":{"maxLength":400000,"type":"string"}},"required":["value"],"type":"object"},"name":"base64-decode"},{"description":"Base64 encode UTF-8 text into a standard Base64 string for API payloads, binary-safe transport, data conversion and agent workflows. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"text":{"maxLength":250000,"type":"string"}},"required":["text"],"type":"object"},"name":"base64-encode"},{"description":"Roundhouse-canonical crypto OHLCV series for recurring market-data workflows. Input symbol, interval and optional since; output normalized oldest-first candles. Costs $0.005 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"interval":{"enum":["1m","5m","15m","1h","6h","1d"],"type":"string"},"since":{"type":"string"},"symbol":{"description":"Token symbol or trading pair, e.g. BTC or BTC-USD.","type":"string"}},"required":["symbol","interval"],"type":"object"},"name":"canonical-crypto-ohlcv"},{"description":"Roundhouse-canonical crypto spot price for recurring trading-agent polling. Input symbol plus optional quote; output symbol, price, quote_currency, 24h change and as_of. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"quote":{"description":"Quote currency; defaults to USD.","type":"string"},"symbol":{"description":"Token symbol or trading pair, e.g. BTC or BTC-USD.","type":"string"}},"required":["symbol"],"type":"object"},"name":"canonical-crypto-spot-price"},{"description":"Roundhouse-canonical page-to-Markdown endpoint for recurring agent ingestion. Input url plus optional render_js=false; output url, title, markdown and HTTP status. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"render_js":{"type":"boolean"},"url":{"format":"uri","type":"string"}},"required":["url"],"type":"object"},"name":"canonical-web-scrape"},{"description":"Latest EVM block height for Base or Ethereum via eth_blockNumber. Use for chain-tip checks, block polling, synchronization, indexers, trading agents and recurring blockchain monitoring. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"network":{"enum":["base","ethereum"],"type":"string"}},"type":"object"},"name":"chain-block-number"},{"description":"Check the current ERC-20 allowance from an owner wallet to a spender contract on Base or Ethereum. Returns the exact raw allowance for USDC and arbitrary ERC-20 tokens. Use before swaps, recurring payments and autonomous contract execution. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"contract":{"type":"string"},"network":{"enum":["base","ethereum"],"type":"string"},"owner":{"type":"string"},"spender":{"type":"string"}},"required":["owner","spender","contract"],"type":"object"},"name":"chain-erc20-allowance"},{"description":"ERC-20 token balance for any EVM wallet and token contract on Base or Ethereum via balanceOf eth_call. Returns the exact raw integer balance for USDC, USDT, DAI and arbitrary ERC-20 tokens. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"address":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"contract":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"network":{"enum":["base","ethereum"],"type":"string"}},"required":["address","contract"],"type":"object"},"name":"chain-erc20-balance"},{"description":"Get current gas conditions on Base or Ethereum: chain tip, legacy gas price, latest block base fee and gas utilization. Use for transaction timing, fee checks, pre-trade context and autonomous transaction execution. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"network":{"enum":["base","ethereum"],"type":"string"}},"type":"object"},"name":"chain-gas-state"},{"description":"Live wallet balance in one call: native ETH plus up to 20 caller-supplied ERC-20 token balances on Base or Ethereum. Built for portfolio agents, treasury monitors, wallet intelligence and recurring balance polling. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"address":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"network":{"enum":["base","ethereum"],"type":"string"},"tokens":{"items":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"maxItems":20,"type":"array"}},"required":["address"],"type":"object"},"name":"chain-live-balance"},{"description":"Live native ETH balance for any public EVM wallet on Base or Ethereum via eth_getBalance. Returns exact wei as a decimal string for agents, portfolio monitors and blockchain automation. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"address":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"network":{"enum":["base","ethereum"],"type":"string"}},"required":["address"],"type":"object"},"name":"chain-native-balance"},{"description":"Check whether a transaction is pending, confirmed or reverted on Base or Ethereum. Designed for polling: retry about every 15 seconds while pending and stop once confirmed or reverted. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"network":{"enum":["base","ethereum"],"type":"string"},"tx_hash":{"type":"string"}},"required":["tx_hash"],"type":"object"},"name":"chain-transaction-status"},{"description":"Monitor recent ERC-20/USDC transfers for one wallet and return next_cursor for efficient recurring polling. Designed for stablecoin payment detection and treasury loops; repeat about every 60 seconds while monitoring is active. Costs $0.002 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"address":{"type":"string"},"contract":{"description":"ERC-20 contract; defaults to USDC on the selected network.","type":"string"},"cursor":{"minimum":0,"type":"integer"},"lookback_blocks":{"maximum":5000,"minimum":1,"type":"integer"},"network":{"enum":["base","ethereum"],"type":"string"}},"required":["address"],"type":"object"},"name":"chain-wallet-activity"},{"description":"Convert URL to clean Markdown for RAG. Convert a public webpage URL into clean agent-ready Markdown for grounding, research, summarization and LLM context. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"max_chars":{"maximum":150000,"minimum":1000,"type":"integer"},"timeout_seconds":{"maximum":60,"minimum":5,"type":"integer"},"url":{"description":"Public http(s) webpage URL.","format":"uri","type":"string"}},"required":["url"],"type":"object"},"name":"convertUrlToMarkdown"},{"description":"Crypto 24-hour statistics from Coinbase Exchange for autonomous market monitoring. Repeat about every 60 seconds while an active trading or dashboard workflow is running. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"product_id":{"description":"Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.","pattern":"^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$","type":"string"}},"required":["product_id"],"type":"object"},"name":"crypto-24h-stats"},{"description":"Crypto OHLCV candles for autonomous trading and indicator pipelines. Supports 1m–1d bars and is designed for recurring refresh; poll again when the selected candle interval advances. Costs $0.005 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"end":{"description":"Optional Unix end timestamp in seconds.","minimum":0,"type":"integer"},"granularity":{"enum":["60","300","900","3600","21600","86400"],"type":"string"},"limit":{"description":"When start/end are omitted, target this many recent bars; default 100.","maximum":300,"minimum":1,"type":"integer"},"product_id":{"description":"Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.","pattern":"^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$","type":"string"},"start":{"description":"Optional Unix start timestamp in seconds.","minimum":0,"type":"integer"}},"required":["product_id"],"type":"object"},"name":"crypto-candles"},{"description":"One-call realtime crypto market snapshot for trading agents: price, bid/ask, 24h stats, top-of-book, recent trades and OHLCV candles. Designed for repeated market polling; refresh about every 30 seconds for active trading or monitoring workflows. Costs $0.008 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"candle_granularity":{"enum":["60","300","900","3600","21600","86400"],"type":"string"},"candle_limit":{"maximum":300,"minimum":5,"type":"integer"},"product_id":{"pattern":"^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$","type":"string"},"trade_limit":{"maximum":100,"minimum":1,"type":"integer"}},"required":["product_id"],"type":"object"},"name":"crypto-market-snapshot"},{"description":"Realtime crypto price from Coinbase Exchange for trading agents and market monitors. Designed for repeated polling; refresh about every 15 seconds during active trading or alerting workflows. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"product_id":{"description":"Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.","pattern":"^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$","type":"string"}},"required":["product_id"],"type":"object"},"name":"crypto-price"},{"description":"Fetch recent crypto trades from Coinbase Exchange for a trading pair, including trade id, price, size, side and timestamp. Use for tape analysis, market monitoring and trading-agent context. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"limit":{"description":"Maximum trades to return; default 50.","maximum":100,"minimum":1,"type":"integer"},"product_id":{"description":"Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.","pattern":"^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$","type":"string"}},"required":["product_id"],"type":"object"},"name":"crypto-recent-trades"},{"description":"Realtime crypto top-of-book data for autonomous execution: best bid, best ask, sizes and sequence. Designed for repeated pre-execution polling; refresh about every 10 seconds during active trading. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"product_id":{"description":"Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.","pattern":"^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$","type":"string"}},"required":["product_id"],"type":"object"},"name":"crypto-top-of-book"},{"description":"Recurring best-bid/best-ask market data for autonomous execution and spread monitoring. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"product_id":{"description":"Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.","pattern":"^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$","type":"string"}},"required":["product_id"],"type":"object"},"name":"crypto_book"},{"description":"Recurring OHLCV candle data for trading, indicators and market monitoring. Costs $0.005 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"end":{"description":"Optional Unix end timestamp in seconds.","minimum":0,"type":"integer"},"granularity":{"enum":["60","300","900","3600","21600","86400"],"type":"string"},"limit":{"description":"When start/end are omitted, target this many recent bars; default 100.","maximum":300,"minimum":1,"type":"integer"},"product_id":{"description":"Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.","pattern":"^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$","type":"string"},"start":{"description":"Optional Unix start timestamp in seconds.","minimum":0,"type":"integer"}},"required":["product_id"],"type":"object"},"name":"crypto_candles"},{"description":"Recurring realtime crypto price lookup for autonomous trading and monitoring. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"product_id":{"description":"Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.","pattern":"^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$","type":"string"}},"required":["product_id"],"type":"object"},"name":"crypto_price"},{"description":"Detect whether a webpage changed. Compare current content against a previous hash or previous text and return deterministic hashes and diffs. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"ignore_selectors":{"items":{"type":"string"},"type":"array"},"include_current_text":{"type":"boolean"},"max_diff_chars":{"maximum":50000,"minimum":1000,"type":"integer"},"max_text_chars":{"maximum":250000,"minimum":1000,"type":"integer"},"previous_hash":{"type":"string"},"previous_text":{"type":"string"},"selector":{"type":"string"},"timeout_seconds":{"maximum":60,"minimum":5,"type":"integer"},"url":{"format":"uri","type":"string"}},"required":["url"],"type":"object"},"name":"detectWebpageChange"},{"description":"Resolve public DNS records for a hostname. Supports A, AAAA, MX, TXT, NS, CNAME, SOA, CAA and SRV using the system resolver. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"host":{"type":"string"},"type":{"enum":["A","AAAA","MX","TXT","NS","CNAME","SOA","CAA","SRV"],"type":"string"}},"required":["host"],"type":"object"},"name":"dns-lookup"},{"description":"Compare current on-chain ERC-20 allowance with caller-supplied prior allowance; no transaction submitted. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"contract":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"network":{"enum":["base","ethereum"],"type":"string"},"owner":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"},"previous_allowance_raw":{"pattern":"^\\d+$","type":"string"},"spender":{"pattern":"^0x[a-fA-F0-9]{40}$","type":"string"}},"required":["owner","spender","contract","previous_allowance_raw"],"type":"object"},"name":"erc20-allowance-delta"},{"description":"Extract clean text from a public HTML article or document URL. Returns main content plus title, description, author, publish/modified dates, canonical URL, language, word count, reading time and JSON-LD for document parsing, summarization, research and RAG. Static public HTML only; no JavaScript rendering. Costs $0.002 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"max_text_chars":{"maximum":150000,"minimum":1000,"type":"integer"},"timeout_seconds":{"maximum":60,"minimum":5,"type":"integer"},"url":{"description":"Public http(s) article or document URL.","format":"uri","type":"string"}},"required":["url"],"type":"object"},"name":"extract-article"},{"description":"Extract entities from text: emails, HTTP(S) URLs, phone-like numbers, @mentions, #hashtags and IPv4 addresses. Deterministic, no LLM or network call, with stable JSON output for crawlers and autonomous agent pipelines. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"text":{"maxLength":500000,"type":"string"}},"required":["text"],"type":"object"},"name":"extract-entities"},{"description":"Extract webpage metadata, OpenGraph and JSON-LD. Returns title, description, canonical URL, robots directives, headings, Open Graph, Twitter cards and structured data for one public URL per paid request. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"concurrency":{"maximum":20,"minimum":1,"type":"integer"},"timeout_seconds":{"maximum":60,"minimum":5,"type":"integer"},"urls":{"description":"Exactly one public URL per paid request.","items":{"format":"uri","type":"string"},"maxItems":1,"minItems":1,"type":"array"}},"required":["urls"],"type":"object"},"name":"extractWebpageMetadata"},{"description":"Canonical current EVM base fee in gwei for Base or Ethereum, for recurring transaction timing and execution checks. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"chain":{"enum":["eip155:8453","eip155:1"],"type":"string"}},"type":"object"},"name":"gas_price"},{"description":"Compute SHA256 hash or SHA-512, SHA-1 and MD5 checksums for UTF-8 text and return hex plus Base64 digests. Use for SHA256 hashing, checksum verification, integrity checks, content fingerprints, cache keys, deduplication and agent pipelines. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"algo":{"enum":["sha256","sha512","sha1","md5"],"type":"string"},"text":{"description":"Text to hash.","maxLength":250000,"type":"string"}},"required":["text"],"type":"object"},"name":"hash"},{"description":"Convert a hexadecimal string back into UTF-8 text. Use as a hex string decoder or hex-to-text converter in deterministic agent pipelines. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"value":{"maxLength":500000,"type":"string"}},"required":["value"],"type":"object"},"name":"hex-decode"},{"description":"Convert UTF-8 text to a hexadecimal string. Use as a hex string encoder or text-to-hex converter in deterministic agent pipelines. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"text":{"maxLength":250000,"type":"string"}},"required":["text"],"type":"object"},"name":"hex-encode"},{"description":"Compute an HMAC for text using SHA-256 or SHA-512 for signatures, webhook verification and agent integrity checks. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"algorithm":{"enum":["sha256","sha512"],"type":"string"},"key":{"maxLength":10000,"type":"string"},"text":{"maxLength":250000,"type":"string"}},"required":["text","key"],"type":"object"},"name":"hmac"},{"description":"Extract links and anchor text from supplied HTML, resolving relative URLs against an optional base URL. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"base_url":{"maxLength":8192,"type":"string"},"html":{"maxLength":500000,"type":"string"}},"required":["html"],"type":"object"},"name":"html-links"},{"description":"Parse metadata from caller-supplied raw HTML without fetching a webpage URL. Returns title, canonical URL, meta tags and JSON-LD for local HTML-processing workflows. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"base_url":{"maxLength":8192,"type":"string"},"html":{"maxLength":500000,"type":"string"}},"required":["html"],"type":"object"},"name":"html-metadata"},{"description":"Convert HTML to Markdown: transform supplied HTML into clean deterministic Markdown for LLM context, RAG, tool chaining and agent memory. Preserves headings, paragraphs, lists, blockquotes, links, code blocks and simple tables; no network fetch required. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"html":{"maxLength":500000,"type":"string"},"max_chars":{"maximum":250000,"minimum":100,"type":"integer"}},"required":["html"],"type":"object"},"name":"html-to-markdown"},{"description":"Extract clean normalized text from a raw HTML document without network access. Use for HTML-to-text conversion, document text extraction, LLM context preparation and RAG ingestion. Costs $0.001 USDC on Base via x402.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false,"properties":{"html":{"maxLength":500000,"type":"string"}},"required":["html"],"type":"object"},"name":"html-to-text"},{"description":"Fetch a public URL with HEAD or GET and return status, final URL, latency, response headers and security-header analysis for HSTS, CSP, framing, MIME sniffing, referrer, permissions and cross-origin policies. 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