{"id":291725,"recorded_at":"2026-10-26T20:57:58.184136Z","observed_at":"2026-10-26T20:57:58.184097Z","subject_kind":"endpoint","subject":"871f6910-4a1f-4ecc-8349-849a448b2e43","kind":"mcp.tools","method":"probe.mcp/1","body":{"count":4,"tools":[{"description":"Classify a batch of blockchain transactions (up to 100) using CryptoTaxEdge's classification engine. Built for accounting platforms integrating CryptoTaxEdge as their classification layer. Returns per-transaction: category (the open vocabulary the engine emits, for example swap, transfer, staking, reward, airdrop, income_receipt, fee_payment, borrow, repay, collateral_supply, collateral_withdraw, liquidity_add, liquidity_remove, wrap, unwrap, liquid_staking_mint, bridge_transfer, nft_mint, spam, unclassified; the full set with house treatments is at https://cryptotaxedge.com/standard/#categories and grows additively, so branch exhaustive logic on treatment, never on category), treatment (closed enum: disposal, income, non_taxable, expense, needs_review; needs_review means no treatment is asserted), tax_category (the engine's stored treatment value, kept for existing hosts), taxable, confidence score, needs_review, ledger_action, protocol, description (plain-English reasoning, also returned as explanation for existing clients), assets (sent, received, gas) and a reliability envelope with an explicit route-to-review flag. Complex multi-step transactions (flash loans, batch NFT sales, bridges, DCA programs) additionally return a per-leg breakdown and a preparer-ready memo with IRS citations. EVM + Solana. Pass engagement_id / firm_id to apply firm-specific classification policy when configured.","inputSchema":{"properties":{"engagement_id":{"description":"(Optional) host-side engagement identifier. Reserved for firm-policy + engagement-record correlation. No effect today; forward-compatible.","type":"string"},"firm_id":{"description":"(Optional) host-side firm identifier. When firm classification policy is configured, applies that firm's confidence thresholds + CoA overrides.","type":"string"},"transactions":{"description":"Array of transactions to classify (max 100 per call).","items":{"properties":{"chain":{"description":"Chain slug (e.g. \"ethereum\", \"polygon\", \"bsc\", \"arbitrum\", \"base\", \"optimism\", \"avalanche\", \"solana\"). Optional; CryptoTaxEdge auto-detects the chain if omitted.","type":"string"},"tx_hash":{"description":"Transaction hash (0x-prefixed 66-char for EVM, base-58 for Solana).","type":"string"},"tx_id":{"description":"(Optional) your own ID for this tx; echoed back so you can correlate results to your records.","type":"string"}},"required":["tx_hash"],"type":"object"},"maxItems":100,"type":"array"}},"required":["transactions"],"type":"object"},"name":"classify_batch"},{"description":"Classify a single blockchain transaction using CryptoTaxEdge's multi-source consensus engine, the same engine and serve semantics as the public REST /v1/classify endpoint. Returns the /v1 contract fields: category (the open vocabulary the engine emits, for example swap, transfer, staking, reward, airdrop, income_receipt, fee_payment, borrow, repay, collateral_supply, collateral_withdraw, liquidity_add, liquidity_remove, wrap, unwrap, liquid_staking_mint, bridge_transfer, nft_mint, spam, unclassified; the full set with house treatments is at https://cryptotaxedge.com/standard/#categories and grows additively, so branch exhaustive logic on treatment, never on category), treatment (closed enum: disposal, income, non_taxable, expense, needs_review; needs_review means no treatment is asserted and taxable is null), taxable, confidence, needs_review, ledger_action, protocol, description (plain-English reasoning, also returned as explanation for existing clients) and, on hash lookups, assets (sent, received, gas). Works for EVM chains and Solana. Provide tx_hash (chain optional, auto-detected), or contract_address + function_selector + chain for a rule-library tuple lookup.","inputSchema":{"properties":{"chain":{"description":"Chain slug (e.g. \"ethereum\", \"polygon\", \"bsc\", \"arbitrum\", \"base\", \"optimism\", \"avalanche\", \"solana\"). Optional for tx_hash lookups; the engine auto-detects the chain. REQUIRED for contract_address lookups.","type":"string"},"contract_address":{"description":"(Optional) 0x-prefixed contract address the transaction called. With function_selector + chain, performs a rule-library tuple lookup.","type":"string"},"function_selector":{"description":"(Optional) 0x-prefixed 4-byte function selector (first 4 bytes of tx input data).","type":"string"},"tx_hash":{"description":"Transaction hash (0x-prefixed 66-char for EVM, base-58 for Solana). Either tx_hash OR contract_address is required.","type":"string"}},"required":[],"type":"object"},"name":"classify_transaction"},{"description":"Look up a smart contract in CryptoTaxEdge's registry. Returns protocol metadata, contract type, verified ABI availability, label, and category hints. Use before deciding whether to classify a tx.","inputSchema":{"properties":{"address":{"description":"Contract address (0x-prefixed 42-char for EVM).","type":"string"},"chain":{"description":"Chain slug (e.g. \"ethereum\", \"polygon\", \"arbitrum\"). EVM only.","type":"string"}},"required":["address","chain"],"type":"object"},"name":"lookup_contract"},{"description":"Map classified blockchain transactions into journal-entry-ready ledger lines against a chart of accounts. For each transaction (up to 100): debit account, credit account, optional gain/loss plug account, memo (protocol + reasoning), confidence, and a route-to-review flag, plus category roll-ups with the governing US tax authority (IRC §1001, §61, Rev. Rul. 2019-24, Rev. Rul. 2023-14, etc.). Pass your own chart_of_accounts (array of {name, type}) and the tool maps to YOUR account names; omit it for a standard crypto-treasury chart. Suggested, non-binding entries: the ledger platform owns amounts, cost basis, and posting.","inputSchema":{"properties":{"chart_of_accounts":{"description":"Optional: your chart of accounts as [{name, type}]. Account names are pattern-matched per role (digital assets, income, fees, realized G/L, collateral, LP positions, loan payable). 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