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BlockchainAnalysis

io.blockchainanalysis/mcp
Cripto y Web3 Legal y cumplimiento Seguridad Público y accesible MCP 2025-11-25

Qué hace este MCP

Screens blockchain addresses and transactions for sanctions, scams, exploits, mixers, stablecoin freezes, risky approvals, token security issues, and KYT compliance risk.

Capacidades

Herramientas

13 herramientas
check_stablecoin_freeze
Check stablecoin freeze
Check whether Tether (USDT) or Circle (USDC) have blacklisted a wallet address on-chain. Reads the issuer's blacklist function directly across 15 chains (ETH, BSC, POLYGON, ARBITRUM, OPTIMISM, BASE, AVALANCHE, PLASMA, HYPEREVM, STABLE, INK, BERACHAIN, ROBINHOOD, TRON, SOL). A frozen address can no longer send or receive that stablecoin. Also reports whether the address was PREVIOUSLY frozen and later unfrozen (a prior-freeze signal from the freeze ledger). The result reports the observed on-chain fact (frozen / not frozen at check time), never the cause of a freeze. Free.
Solo lectura Acceso externo
Esquema de entrada 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['address', 'chain'], 'properties': {'chain': {'enum': ['ETH', 'BSC', 'POLYGON', 'ARBITRUM', 'OPTIMISM', 'BASE', 'AVALANCHE', 'PLASMA', 'HYPEREVM', 'STABLE', 'INK', 'BERACHAIN', 'ROBINHOOD', 'TRON', 'SOL'], 'type': 'string', 'description': 'Chain to check. One of: ETH, BSC, POLYGON, ARBITRUM, OPTIMISM, BASE, AVALANCHE, PLASMA, HYPEREVM, STABLE, INK, BERACHAIN, ROBINHOOD, TRON, SOL'}, 'address': {'type': 'string', 'minLength': 1, 'description': 'Wallet address to check. Format must match the chain (0xâ\x80¦ for EVM, Tâ\x80¦ for Tron, base58 for Solana).'}}}
check_token_approvals
Check token approvals
List a wallet's active ERC-20 token approvals on Ethereum and who can move its funds — risk-scored against BA's 1B+ entity labels (scam / phishing / exploit / sanctioned spenders), flagging unlimited allowances and stale grants. The wallet's attack surface at a glance. Read-only. Ethereum only. Free.
Solo lectura Acceso externo
Esquema de entrada 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['wallet'], 'properties': {'wallet': {'type': 'string', 'pattern': '^0x[0-9a-fA-F]{40}$', 'description': 'Wallet address to scan (0x + 40 hex). Ethereum only.'}}}
check_token_security
Check token security
Simulate a buy-and-sell of an ERC-20 token on its main DEXes to surface honeypots (tokens you can buy but not sell), extreme transfer taxes, name/symbol impersonation, and active mint authority — cross-referenced against BA's 1B+ entity labels. Reports observed facts (e.g. 'sell simulation reverted'), not verdicts. Live on Base, BNB Chain, Ethereum, Optimism, Polygon, Arbitrum. No transaction is sent. Free.
Solo lectura Acceso externo
Esquema de entrada 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['token', 'chain'], 'properties': {'chain': {'enum': ['BASE', 'BSC', 'ETH', 'OPTIMISM', 'POLYGON', 'ARBITRUM'], 'type': 'string', 'description': 'Chain to scan. One of: BASE, BSC, ETH, OPTIMISM, POLYGON, ARBITRUM'}, 'token': {'type': 'string', 'pattern': '^0x[0-9a-fA-F]{40}$', 'description': 'ERC-20 token contract address (0x + 40 hex).'}}}
get_freeze_events
Get stablecoin freeze events (history)
Query the canonical stablecoin freeze ledger — the HISTORY of freeze / unfreeze / destroy events by Tether (USDT), Circle (USDC/EURC), Paxos (USDP) and First Digital (FDUSD), sourced from the issuers' own on-chain blacklist events across Ethereum, Polygon, Optimism, TRON and more. Filter by frozen address, chain, kind, or time; omit all filters for the most recent events. This is the EVENT HISTORY — to check whether an address is frozen right now, use check_stablecoin_freeze instead. Each row is a verifiable on-chain fact (issuer acted on address at block/time); it never states the cause. Free.
Solo lectura Acceso externo
Esquema de entrada 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {'kind': {'enum': ['freeze', 'unfreeze', 'destroy'], 'type': 'string', 'description': "Filter by event kind: 'freeze' (blacklisted), 'unfreeze' (removed), 'destroy' (funds burned)."}, 'chain': {'type': 'string', 'minLength': 1, 'description': 'Filter by chain code, e.g. ETH, POLYGON, OPTIMISM, TRON. Omit for all chains.'}, 'limit': {'type': 'integer', 'maximum': 500, 'description': 'Max events to return (default 50, hard cap 500). Ordered newest first.', 'exclusiveMinimum': 0}, 'since': {'type': 'string', 'description': 'Only events at/after this time. ISO 8601 or YYYY-MM-DD (UTC).'}, 'address': {'type': 'string', 'minLength': 1, 'description': 'Filter to a single frozen wallet address (case-insensitive). Omit to list across all addresses.'}}}
kyt_risk
Assess a wallet's KYT (Know-Your-Transaction) risk: sanctions + entity classification + VASP/jurisdiction score + cluster context → one risk verdict (critical / high / medium / low / unknown) with flags. Paid per call via x402 (USDC on Base).
Solo lectura Acceso externo
Esquema de entrada 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['address', 'chain'], 'properties': {'chain': {'type': 'string', 'minLength': 1, 'description': 'Chain ID, uppercase â\x80\x94 e.g. ETH, BTC, TRON, SOL, BSC, POLYGON, ARBITRUM, BASE.'}, 'address': {'type': 'string', 'minLength': 1, 'description': 'Wallet address to assess (format must match the chain).'}}}
kyt_tx
Transaction KYT: screens BOTH counterparties of a transfer (from → to) against sanctions + entity + VASP + cluster, returning a combined risk level, a block/review/allow recommendation, and directional FROM:/TO: flags. Paid per call via x402 (USDC on Base).
Solo lectura Acceso externo
Esquema de entrada 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['from', 'to', 'chain'], 'properties': {'to': {'type': 'string', 'minLength': 1, 'description': 'Recipient wallet address (format must match the chain).'}, 'from': {'type': 'string', 'minLength': 1, 'description': 'Sender wallet address (format must match the chain).'}, 'chain': {'type': 'string', 'minLength': 1, 'description': 'Chain ID, uppercase â\x80\x94 e.g. ETH, BTC, TRON, SOL, BSC, POLYGON, ARBITRUM, BASE.'}}}
label
Look up BlockchainAnalysis's entity labels for a single address: every label on record (sanctions from OFAC / EU / UN / UK HMT / Swiss SECO, issuer-freeze state, scam, phishing, exploit, mixer, exchange, and more), each with its category, threat level (SAFE to CRITICAL), and full provenance (source, source URL, confidence, and the date it was last verified). This is the raw label read behind BA Intel, the only way to buy it per call with no account and no API key. An address we hold no label for returns an explicit not-found with the reason, never an empty result, and an absent label is not a statement that the address is safe. Paid per call via x402 (USDC on Base).
Solo lectura Acceso externo
Esquema de entrada 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['address', 'chain'], 'properties': {'chain': {'type': 'string', 'minLength': 1, 'description': 'Chain ID, uppercase, e.g. ETH, BSC, POLYGON, ARBITRUM, OPTIMISM, BASE, AVALANCHE, TRON, SOL, BTC.'}, 'address': {'type': 'string', 'minLength': 1, 'description': 'Wallet or contract address to look up (format must match the chain).'}}}
list_supported_chains
List supported chains & tools
List the BlockchainAnalysis MCP tools, the chains each supports, and pricing. Call this first to discover what the server can do (and which calls are free vs paid) before invoking a tool. Free.
Solo lectura
Esquema de entrada 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {}}
oracle_verdict
Consumer-protection verdict for a wallet or contract: a normalized verdict (safe / caution / high_risk) with a 0-100 score, confidence tier, and plain-language reasons. Answers 'is it safe to interact with this address?' Paid per call via x402 (USDC on Base).
Solo lectura Acceso externo
Esquema de entrada 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['address', 'chain'], 'properties': {'chain': {'type': 'string', 'minLength': 1, 'description': 'Chain ID, lowercase â\x80\x94 e.g. btc, eth, bsc, polygon, arbitrum, optimism, base, avalanche, fantom, tron, sol.'}, 'address': {'type': 'string', 'minLength': 1, 'description': 'Wallet or contract address (format must match the chain).'}}}
rwa
Identify a tokenized real-world asset from its token address: what it represents, who issues it, its asset class, ISIN and issuer jurisdiction, whether transfers are permissioned, and every chain the issuer publishes it on. Each answer carries its provenance: the issuer source, how the address was established (issuer-registry / issuer-page-only / third-party), a confidence, and the date the address was last round-tripped on-chain. An address we do not recognise returns an explicit not-found with the reason, never an empty result. Does NOT cover the issuer's control over a balance (pause, blocklist, seizure). Paid per call via x402 (USDC on Base).
Solo lectura Acceso externo
Esquema de entrada 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['address', 'chain'], 'properties': {'chain': {'type': 'string', 'minLength': 1, 'description': 'Chain ID, uppercase â\x80\x94 e.g. ETH, BSC, ARBITRUM, SOL, POLYGON, BASE, AVALANCHE, GNOSIS, FANTOM, MANTLE, SEI, ETHERLINK.'}, 'address': {'type': 'string', 'minLength': 1, 'description': 'Token contract address (EVM 0xâ\x80¦) or Solana mint (base58, case-sensitive).'}}}
screen_address
Screen a wallet against BlockchainAnalysis's 1B+ entity-label dataset: sanctions (OFAC / EU / UN / UK HMT / Swiss SECO), scam, phishing, exploit, mixer, exchange, and more — each label carries a threat level (SAFE→CRITICAL), source, and confidence. Works across major EVM chains plus TRON, SOL, and BTC. Paid per call via x402 (USDC on Base).
Solo lectura Acceso externo
Esquema de entrada 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['address', 'chain'], 'properties': {'chain': {'type': 'string', 'minLength': 1, 'description': 'Chain ID, uppercase â\x80\x94 e.g. ETH, BSC, POLYGON, ARBITRUM, OPTIMISM, BASE, AVALANCHE, TRON, SOL, BTC.'}, 'address': {'type': 'string', 'minLength': 1, 'description': 'Wallet address to screen (format must match the chain).'}}}
screen_agent_wallet
Screen agent wallet (verdict)
Boolean compliance verdict for an agent wallet or counterparty: clear / flagged / unknown, plus the top risk category, screened against BA's 1B+ entity labels (sanctions, scam, phishing, exploit, mixer) and live stablecoin freeze state. Deliberately a verdict only — the label detail, freeze history, and scores are in the paid screen_address / kyt_risk tools, and a signed, on-chain-anchored proof is in the paid screen_agent_wallet_attested tool. Free.
Solo lectura Acceso externo
Esquema de entrada 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['address', 'chain'], 'properties': {'chain': {'type': 'string', 'minLength': 1, 'description': 'Chain ID, uppercase â\x80\x94 e.g. ETH, BASE, ARBITRUM, POLYGON, TRON, SOL, BTC.'}, 'address': {'type': 'string', 'minLength': 1, 'description': 'Wallet address to screen (format must match the chain).'}, 'fail_mode': {'enum': ['open', 'closed'], 'type': 'string', 'description': "Behavior when screening is unavailable: 'closed' (default) returns 'unknown'; 'open' returns 'clear' with degraded=true."}}}
screen_agent_wallet_attested
Screen an agent wallet and return a SIGNED, on-chain-anchored compliance attestation: the verdict (clear / flagged / unknown) plus an EIP-712 (secp256k1) signature over the result and a BA Stamp anchor, so a third party or a smart contract can verify it offline via ecrecover without trusting us live. The free screen_agent_wallet tool returns the verdict only. Paid per call via x402 (USDC on Base).
Solo lectura Acceso externo
Esquema de entrada 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['address', 'chain'], 'properties': {'chain': {'type': 'string', 'minLength': 1, 'description': 'Chain ID, uppercase â\x80\x94 e.g. ETH, BASE, ARBITRUM, POLYGON, TRON, SOL, BTC.'}, 'address': {'type': 'string', 'minLength': 1, 'description': 'Wallet address to screen (format must match the chain).'}, 'fail_mode': {'enum': ['open', 'closed'], 'type': 'string', 'description': "Behavior when screening is unavailable: 'closed' (default) yields verdict 'unknown'; 'open' yields 'clear' with degraded=true."}}}
Historial

Cambios recientes en herramientas

Añadido
label
23 de September de 2026 a las 02:42
Añadido
rwa
23 de September de 2026 a las 02:42
Añadido
screen_agent_wallet_attested
17 de September de 2026 a las 12:40
Añadido
oracle_verdict
17 de September de 2026 a las 12:40
Añadido
kyt_tx
17 de September de 2026 a las 12:40
Añadido
kyt_risk
17 de September de 2026 a las 12:40
Añadido
screen_address
17 de September de 2026 a las 12:40
Añadido
list_supported_chains
17 de September de 2026 a las 12:40
Añadido
screen_agent_wallet
17 de September de 2026 a las 12:40
Añadido
check_token_approvals
17 de September de 2026 a las 12:40
Añadido
check_token_security
17 de September de 2026 a las 12:40
Añadido
get_freeze_events
17 de September de 2026 a las 12:40
Añadido
check_stablecoin_freeze
17 de September de 2026 a las 12:40
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