{"name":"com.blockscout/mcp-server","slug":"blockscout-mcp-server","title":null,"description":"MCP server for Blockscout","url":"https://mcp.market/server/blockscout-mcp-server","rating":null,"grade":"A","score":89,"certified":false,"status":"active","category":"other","tags":[],"presence":{"score":39,"stars":46,"forks":25,"downloads_week":null,"last_push_at":"2026-09-08T03:19:30.000Z","license":"NOASSERTION"},"uptime":{"percent":100,"checks":7,"ok":7,"last_checked_at":"2026-09-21T01:50:40.627Z","last_ok_at":"2026-09-21T01:50:40.627Z","latency_ms":149},"claimed":false,"transport":"remote","callable_via_gateway":true,"default_price_micros":0,"repository":"https://github.com/blockscout/mcp-server","website":"https://blockscout.com","version":"0.19.0","remotes":[{"type":"streamable-http","url":"https://mcp.blockscout.com/mcp"}],"packages":[],"tools":[{"name":"__unlock_blockchain_analysis__","description":"Initializes a Blockscout MCP session: returns server reference data, the\n    `blockscout-analysis` skill pointer, and the URI resolution rule. Call this tool\n    exactly once per session, before any other tool, and reuse its payload for the\n    rest of the session; do not call it again.\n    ","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{},"title":"__unlock_blockchain_analysis__Arguments"}},{"name":"direct_api_call","description":"Call a raw Blockscout API endpoint for advanced or chain-specific data.\n\n    Before the first call to this tool in a session, read\n    `blockscout-mcp://skill/SKILL.md` (the operating rules), then\n    `blockscout-mcp://skill/references/blockscout-api-index.md` (the authoritative\n    index of callable endpoints); skip both reads only if this skill content is\n    already in context. Recalled Blockscout API knowledge is not a substitute:\n    endpoint paths, parameters, and response shapes vary across Blockscout\n    versions and per-chain deployments.\n\n    Supports POST requests with a JSON body for endpoints like JSON RPC.\n\n    **SUPPORTS PAGINATION**: If response includes 'pagination' field,\n    use the provided next_call to get additional pages (GET only).\n    ","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"chain_id":{"description":"The ID of the blockchain","title":"Chain Id","type":"string"},"endpoint_path":{"description":"The Blockscout API path to call (e.g., '/api/v2/stats'); do not include query strings — pass all query parameters via query_params to avoid double-encoding.","title":"Endpoint Path","type":"string"},"query_params":{"anyOf":[{"additionalProperties":true,"type":"object"},{"type":"null"}],"default":null,"description":"Optional query parameters forwarded to the Blockscout API.","title":"Query Params"},"cursor":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"The pagination cursor from a previous response to get the next page of results.","title":"Cursor"},"method":{"default":"GET","description":"HTTP method used for the upstream call. Use POST with json_body.","enum":["GET","POST"],"title":"Method","type":"string"},"json_body":{"anyOf":[{"additionalProperties":true,"type":"object"},{"type":"null"}],"default":null,"description":"JSON request body for POST requests.","title":"Json Body"},"session_id":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Opaque session identifier.","title":"Session Id"}},"required":["chain_id","endpoint_path"],"title":"direct_api_callArguments"}},{"name":"get_address_by_ens_name","description":"\n    Useful for when you need to convert an ENS domain name (e.g. \"blockscout.eth\")\n    to its corresponding Ethereum address.\n    ","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"name":{"description":"ENS domain name to resolve","title":"Name","type":"string"},"session_id":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Opaque session identifier.","title":"Session Id"}},"required":["name"],"title":"get_address_by_ens_nameArguments"}},{"name":"get_address_info","description":"\n    Get comprehensive information about an address, including:\n    - Address existence check\n    - Native token (ETH) balance (provided as is, without adjusting by decimals)\n    - First transaction details (block number and timestamp) for age calculation\n    - ENS name association (if any)\n    - Contract status (whether the address is a contract, whether it is verified)\n    - Proxy contract information (if applicable): determines if a smart contract is a proxy contract (which forwards calls to implementation contracts), including proxy type and implementation addresses\n    - Token details (if the contract is a token): name, symbol, decimals, total supply, etc.\n    Essential for address analysis, contract investigation, token research, and DeFi protocol analysis.\n    ","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"chain_id":{"description":"The ID of the blockchain","title":"Chain Id","type":"string"},"address":{"description":"Address to get information about","title":"Address","type":"string"},"session_id":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Opaque session identifier.","title":"Session Id"}},"required":["chain_id","address"],"title":"get_address_infoArguments"}},{"name":"get_block_info","description":"\n    Get block information like timestamp, gas used, burnt fees, transaction count etc.\n    Can optionally include the list of transaction hashes contained in the block. Transaction hashes are omitted by default; request them only when you truly need them, because on high-traffic chains the list may exhaust the context.\n    ","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"chain_id":{"description":"The ID of the blockchain","title":"Chain Id","type":"string"},"number_or_hash":{"description":"Block number or hash","title":"Number Or Hash","type":"string"},"include_transactions":{"anyOf":[{"type":"boolean"},{"type":"null"}],"default":false,"description":"If true, includes a list of transaction hashes from the block.","title":"Include Transactions"},"session_id":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Opaque session identifier.","title":"Session Id"}},"required":["chain_id","number_or_hash"],"title":"get_block_infoArguments"}},{"name":"get_block_number","description":"\n    Retrieves the block number and timestamp for a specific date/time or the latest block.\n    Use when you need a block height for a specific point in time (e.g., \"block at 2024-01-01\")\n    or the current chain tip. If `datetime` is provided, finds the block immediately\n    preceding that time. If omitted, returns the latest indexed block.\n    ","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"chain_id":{"description":"The ID of the blockchain","title":"Chain Id","type":"string"},"datetime":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"The date and time (ISO 8601 format, e.g. 2025-05-22T23:00:00.00Z) to find the block for. If omitted, returns the latest block.","title":"Datetime"},"session_id":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Opaque session identifier.","title":"Session Id"}},"required":["chain_id"],"title":"get_block_numberArguments"}},{"name":"get_chains_list","description":"Get supported blockchain chains with their chain IDs.\n\n    Ethereum Mainnet is `chain_id` `1`; use this tool to resolve any other chain.\n    Use this when another tool needs a supported `chain_id` and only the chain name,\n    ecosystem, or native currency is known. Prefer a narrow `query` to avoid returning\n    the full registry to the agent. Do not rely on partial numeric chain ID queries such\n    as `1`, because matching is substring-based and may return many chains.\n    ","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"query":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Optional case-insensitive substring filter applied to chain name, chain ID, native currency, and ecosystem. Prefer narrow text terms over partial numeric chain IDs because matching is substring-based.","title":"Query"},"session_id":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Opaque session identifier.","title":"Session Id"}},"title":"get_chains_listArguments"}},{"name":"get_contract_abi","description":"\n    Get smart contract ABI (Application Binary Interface).\n    An ABI defines all functions, events, their parameters, and return types. The ABI is required to format function calls or interpret contract data.\n    ","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"chain_id":{"description":"The ID of the blockchain","title":"Chain Id","type":"string"},"address":{"description":"Smart contract address","title":"Address","type":"string"},"session_id":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Opaque session identifier.","title":"Session Id"}},"required":["chain_id","address"],"title":"get_contract_abiArguments"}},{"name":"get_token_transfers_by_address","description":"\n    Get ERC-20 token transfers for an address within a specific time range.\n    **SUPPORTS PAGINATION**: If response includes 'pagination' field, use the provided next_call to get additional pages.\n    ","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"chain_id":{"description":"The ID of the blockchain","title":"Chain Id","type":"string"},"address":{"description":"Address which either transfer initiator or transfer receiver","title":"Address","type":"string"},"age_from":{"description":"Start date and time (e.g 2025-05-22T23:00:00.00Z). Alone, returns all ERC-20 transfers to/from the address since this date.","title":"Age From","type":"string"},"age_to":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"End date and time (e.g 2025-05-22T22:30:00.00Z). Adding this bounds the upper end of the date range started by `age_from`; if omitted, transfers up to the current time are returned.","title":"Age To"},"token":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"An ERC-20 token contract address to restrict results to a single token. If omitted, returns transfers of all tokens.","title":"Token"},"cursor":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"The pagination cursor from a previous response to get the next page of results.","title":"Cursor"},"session_id":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Opaque session identifier.","title":"Session Id"}},"required":["chain_id","address","age_from"],"title":"get_token_transfers_by_addressArguments"}},{"name":"get_tokens_by_address","description":"\n    Get comprehensive ERC20 token holdings for an address with enriched metadata and market data.\n    Returns detailed token information including contract details (name, symbol, decimals), market metrics (exchange rate, market cap, volume), holders count, and actual balance (provided as is, without adjusting by decimals).\n    Essential for portfolio analysis, wallet auditing, and DeFi position tracking.\n    **SUPPORTS PAGINATION**: If response includes 'pagination' field, use the provided next_call to get additional pages.\n    ","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"chain_id":{"description":"The ID of the blockchain","title":"Chain Id","type":"string"},"address":{"description":"Wallet address","title":"Address","type":"string"},"cursor":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"The pagination cursor from a previous response to get the next page of results.","title":"Cursor"},"session_id":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Opaque session identifier.","title":"Session Id"}},"required":["chain_id","address"],"title":"get_tokens_by_addressArguments"}},{"name":"get_transaction_info","description":"\n    Get comprehensive transaction information.\n    Unlike standard eth_getTransactionByHash, this tool returns enriched data including decoded input parameters, detailed token transfers with token metadata, transaction fee breakdown (priority fees, burnt fees) and categorized transaction types.\n    By default, the raw transaction input is omitted if a decoded version is available to save context; request it with `include_raw_input=True` only when you truly need the raw hex data.\n    Essential for transaction analysis, debugging smart contract interactions, tracking DeFi operations.\n    ","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"chain_id":{"description":"The ID of the blockchain","title":"Chain Id","type":"string"},"transaction_hash":{"description":"Transaction hash","title":"Transaction Hash","type":"string"},"include_raw_input":{"anyOf":[{"type":"boolean"},{"type":"null"}],"default":false,"description":"If true, includes the raw transaction input data.","title":"Include Raw Input"},"session_id":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Opaque session identifier.","title":"Session Id"}},"required":["chain_id","transaction_hash"],"title":"get_transaction_infoArguments"}},{"name":"get_transactions_by_address","description":"\n    Retrieves native currency transfers and smart contract interactions (calls, internal txs) for an address.\n    **EXCLUDES TOKEN TRANSFERS**: Filters out direct token balance changes (ERC-20, etc.). You'll see calls *to* token contracts, but not the `Transfer` events. For token history, use `get_token_transfers_by_address`.\n    A single tx can have multiple records from internal calls.\n    Requires an `age_from` date to scope results for performance and relevance.\n    **SUPPORTS PAGINATION**: If response includes 'pagination' field, use the provided next_call to get additional pages.\n    ","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"chain_id":{"description":"The ID of the blockchain","title":"Chain Id","type":"string"},"address":{"description":"Address which either sender or receiver of the transaction","title":"Address","type":"string"},"age_from":{"description":"Start date and time (e.g 2025-05-22T23:00:00.00Z). Alone, returns all transactions to/from the address since this date.","title":"Age From","type":"string"},"age_to":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"End date and time (e.g 2025-05-22T22:30:00.00Z). Adding this bounds the upper end of the date range started by `age_from`.","title":"Age To"},"methods":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"A method signature to filter transactions by (e.g 0x304e6ade). Filters the (optionally date-bounded) results to a specific method signature.","title":"Methods"},"cursor":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"The pagination cursor from a previous response to get the next page of results.","title":"Cursor"},"session_id":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Opaque session identifier.","title":"Session Id"}},"required":["chain_id","address","age_from"],"title":"get_transactions_by_addressArguments"}},{"name":"inspect_contract_code","description":"Inspects a verified contract's source code or metadata.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"chain_id":{"description":"The ID of the blockchain.","title":"Chain Id","type":"string"},"address":{"description":"The address of the smart contract.","title":"Address","type":"string"},"file_name":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"The name of the source file to inspect. If omitted, returns contract metadata and the list of source files.","title":"File Name"},"session_id":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Opaque session identifier.","title":"Session Id"}},"required":["chain_id","address"],"title":"inspect_contract_codeArguments"}},{"name":"lookup_token_by_symbol","description":"\n    Search for token addresses by symbol or name. Returns multiple potential\n    matches based on symbol or token name similarity. Only the first\n    7 matches from the Blockscout API are returned.\n    ","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"chain_id":{"description":"The ID of the blockchain","title":"Chain Id","type":"string"},"symbol":{"description":"Token symbol or name to search for","title":"Symbol","type":"string"},"session_id":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Opaque session identifier.","title":"Session Id"}},"required":["chain_id","symbol"],"title":"lookup_token_by_symbolArguments"}},{"name":"nft_tokens_by_address","description":"\n    Retrieve NFT tokens (ERC-721, ERC-404, ERC-1155) owned by an address, grouped by collection.\n    Provides collection details (type, address, name, symbol, total supply, holder count) and individual token instance data (ID, name, description, external URL, metadata attributes).\n    Essential for a detailed overview of an address's digital collectibles and their associated collection data.\n    **SUPPORTS PAGINATION**: If response includes 'pagination' field, use the provided next_call to get additional pages.\n    ","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"chain_id":{"description":"The ID of the blockchain","title":"Chain Id","type":"string"},"address":{"description":"NFT owner address","title":"Address","type":"string"},"cursor":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"The pagination cursor from a previous response to get the next page of results.","title":"Cursor"},"session_id":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Opaque session identifier.","title":"Session Id"}},"required":["chain_id","address"],"title":"nft_tokens_by_addressArguments"}},{"name":"read_contract","description":"\n        Calls a smart contract function (view/pure, or non-view/pure simulated via eth_call) and returns the\n        decoded result.\n\n        This tool provides a direct way to query the state of a smart contract.\n\n        Example:\n        To check the USDT balance of an address on Ethereum Mainnet, you would use the following arguments:\n    {\n      \"tool_name\": \"read_contract\",\n      \"params\": {\n        \"chain_id\": \"1\",\n        \"address\": \"0xdAC17F958D2ee523a2206206994597C13D831ec7\",\n        \"abi\": {\n          \"constant\": true,\n          \"inputs\": [{\"name\": \"_owner\", \"type\": \"address\"}],\n          \"name\": \"balanceOf\",\n          \"outputs\": [{\"name\": \"balance\", \"type\": \"uint256\"}],\n          \"payable\": false,\n          \"stateMutability\": \"view\",\n          \"type\": \"function\"\n        },\n        \"function_name\": \"balanceOf\",\n        \"args\": \"[\"0xF977814e90dA44bFA03b6295A0616a897441aceC\"]\"\n      }\n    }\n    ","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"chain_id":{"description":"The ID of the blockchain","title":"Chain Id","type":"string"},"address":{"description":"Smart contract address","title":"Address","type":"string"},"abi":{"additionalProperties":true,"description":"The JSON ABI for the specific function being called. This should be a dictionary that defines the function's name, inputs, and outputs. The function ABI can be obtained using the `get_contract_abi` tool.","title":"Abi","type":"object"},"function_name":{"description":"The symbolic name of the function to be called. This must match the `name` field in the provided ABI.","title":"Function Name","type":"string"},"args":{"default":"[]","description":"A JSON string containing an array of arguments. Example: \"[\"0xabc...\"]\" for a single address argument, or \"[]\" for no arguments. Order and types must match ABI inputs. Addresses: use 0x-prefixed strings; Numbers: prefer integers (not quoted); numeric strings like \"1\" are also accepted and coerced to integers. Bytes: keep as 0x-hex strings.","title":"Args","type":"string"},"block":{"anyOf":[{"type":"string"},{"type":"integer"}],"default":"latest","description":"The block identifier to read the contract state from. Can be a block number (e.g., 19000000) or a string tag (e.g., 'latest'). Defaults to 'latest'.","title":"Block"},"session_id":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Opaque session identifier.","title":"Session Id"}},"required":["chain_id","address","abi","function_name"],"title":"read_contractArguments"}}],"scan":{"score":89,"grade":"A","scanned_at":"2026-09-20T00:25:37.294Z","report":{"scannerVersion":"0.1.9","scannedAt":"2026-09-20T00:25:37.283Z","components":{"code":{"score":-1,"max":25,"notes":["remote-only server, no package to scan"]},"reliability":{"score":17,"max":20,"notes":["remote reachable in 2296ms"]},"poisoning":{"score":15,"max":15,"notes":["16 tool descriptions checked"]},"auth":{"score":10,"max":15,"notes":["open endpoint, read-only tools"]},"maintenance":{"score":15,"max":15,"notes":["last push 12 days ago"]},"identity":{"score":10,"max":10,"notes":["registry namespace matches repository owner","GitHub account older than a year","website matches verified namespace"]}},"findings":[],"inputs":{"probes":[{"url":"https://mcp.blockscout.com/mcp","reachable":true,"authRequired":false,"latencyMs":2296,"serverInfo":{"name":"blockscout-mcp-server","version":"1.26.0"}}],"packages":[],"repo":{"found":true,"owner":"blockscout","repo":"mcp-server","archived":false,"pushedAt":"2026-09-08T03:19:30Z","stars":46,"forks":25,"openIssues":15,"ownerType":"Organization","ownerAvatarUrl":"https://avatars.githubusercontent.com/u/45625840?v=4","ownerCreatedAt":"2018-12-05T10:49:32Z","license":"NOASSERTION"},"icon":{"url":"https://www.blockscout.com/favicon/apple-touch-icon-180x180.png","source":"site","width":180,"height":180},"presence":{"stars":46,"forks":25,"downloadsWeek":null,"license":"NOASSERTION","lastPushAt":"2026-09-08T03:19:30.000Z","score":39}}}},"grade_history":[],"reviews":[]}