{"data":{"name":"io.github.Nutshell2000/agent-data-tools-chain","title":"Agent Data Tools: Chain data","description":"354 tools: balances, blocks, gas, txs and logs on 5 EVM chains, plus Bitcoin. 25 free calls.","version":"1.84.7","websiteUrl":"https://agent-data-tools.revmesh2074.workers.dev/","repositoryUrl":"https://github.com/Nutshell2000/agent-data-tools","remotes":[{"type":"streamable-http","url":"https://agent-data-tools.revmesh2074.workers.dev/mcp/chain","headers":[{"description":"Optional. 'Bearer adt_...' API key from https://agent-data-tools.revmesh2074.workers.dev/credits to pay by card. Leave empty to pay each call with x402 (USDC).","isSecret":true,"name":"Authorization"}]}],"packages":[],"status":"active","isLatest":true,"publishedAt":"2026-10-31T18:16:30.161Z","updatedAt":"2026-10-31T18:16:30.161Z","source":"official-registry","verification":"official","confidence":100,"stars":null,"sources":[{"source":"official-registry","sourceId":"io.github.Nutshell2000/agent-data-tools-chain","verification":"official","confidence":100,"stars":null,"updatedAt":"2026-10-31T18:16:30.161Z","title":"Agent Data Tools: Chain data","description":"354 tools: balances, blocks, gas, txs and logs on 5 EVM chains, plus Bitcoin. 25 free calls.","websiteUrl":"https://agent-data-tools.revmesh2074.workers.dev/","repositoryUrl":"https://github.com/Nutshell2000/agent-data-tools"}],"toolIndex":{"tools":[{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_allowance","title":"ERC-20 token approval check on Base: check how much of a token a spender is approved to move on Base","description":"Check how much of a wallet's ERC-20 token a spender contract is approved to move on Base: the raw and formatted allowance, the token symbol and decimals, and whether the approval is unlimited. Use before a swap or deposit to see if an approve transaction is needed, and to audit a wallet for risky unlimited approvals. Price $0.002/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"token":{"type":"string","description":"ERC-20 token contract address on Base (0x...)"},"owner":{"type":"string","description":"Wallet address that holds the token (0x...)"},"spender":{"type":"string","description":"Address allowed to spend, usually a router or protocol contract (0x...)"}},"required":["token","owner","spender"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"ERC-20 token approval check on Base: check how much of a token a spender is approved to move on Base","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"28a168fa31caa95ea254096f10e35cade32c51b70f8508593de7f2dface5ba4e","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_balance","title":"Base native balance","description":"Native ETH balance (eth_getBalance) of any 0x wallet address on Base at the latest block, in wei and in ETH. Use to check whether a wallet can pay gas or a transfer; for ERC-20 tokens use base_token_balance, for all holdings at once use wallet_portfolio. A malformed address is rejected with 400, uncharged. Example: address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"address":{"type":"string","description":"0x wallet or contract address"}},"required":["address"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Base native balance","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"89f257f04cc158eed57a6936777387a634d4859c283695c1d5af665e40815587","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_block","title":"Block number, Base","description":"Latest block number and block details on Base, or any block by decimal number: hash, timestamp, transaction count, gas used and limit, base fee in gwei and producer. Use for timestamps and confirmation counts; for current fees use base_gas. A block that does not exist yet returns 404, uncharged. Example: number=latest. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"number":{"type":"string","description":"Block number, or 'latest' (default)"}},"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Block number, Base","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"ae1b4f17a4b2fd00615780d0eba58571c4bcd31c6d9843ff4e36cc81e71388ad","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_call","title":"Eth call, Base contract call","description":"Read-only contract call on Base (eth_call): send ABI-encoded calldata to a contract at the latest block and get the raw return data, without a transaction or gas. Use to read any view function that has no dedicated tool (the example reads USDC totalSupply, selector 0x18160ddd); decode the result with the function's ABI. Calldata up to 8 KB; a call that reverts is 422 with the reason, uncharged. Example: to=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, data=0x18160ddd. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"to":{"type":"string","description":"0x contract address to call"},"data":{"type":"string","description":"0x ABI-encoded calldata: 4-byte selector plus arguments"},"from":{"type":"string","description":"Optional 0x sender address for calls that check msg.sender"}},"required":["to","data"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Eth call, Base contract call","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"c05bd6dce29c9885c1cb27eaef25cf3b3ce101fda2a0f610af75b73b8d7e8450","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_estimate_gas","title":"Estimate gas, Base","description":"Estimate the gas a transaction would use on Base (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and ETH. Give to, plus value in ETH and calldata for a contract call, and the sender when the call depends on it. Use before sending a transaction or to price a batch; for the gas price alone use base_gas. A transaction that would revert is 422 with the reason, uncharged. Example: to=0x000000000000000000000000000000000000dEaD. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"to":{"type":"string","description":"0x recipient or contract address"},"from":{"type":"string","description":"0x sender address (default: an empty address)"},"value":{"description":"Amount of ETH to send, in ETH (default 0)","type":["string","number","boolean"]},"data":{"type":"string","description":"Optional 0x calldata for a contract call"}},"required":["to"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Estimate gas, Base","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"1be925c0db487569ba143d1189db639b799594a5cf2abfe5401417feb67d76bc","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_gas","title":"Base gas price and fee estimate: current gas price and transaction fee estimate on Base","description":"Live gas prices on Base (chain 8453) read from the latest block: base fee and priority fee in gwei, suggested maxFeePerGas and maxPriorityFeePerGas in wei for an EIP-1559 transaction, how full the latest block is, and the estimated execution fee in ETH for an ETH transfer and an ERC-20 transfer. Use before sending a transaction on Base or to decide whether to wait for lower fees. Price $0.002/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"only":{"type":"string","description":"Optional: comma-separated top-level result keys to keep, for a smaller answer (for example only=price,symbol); unknown keys are ignored and an empty match returns the full result"}},"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Base gas price and fee estimate: current gas price and transaction fee estimate on Base","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"db55ebb6207f35c7201bbf41acaa83649a8c97860580126196e3f2d4c71a3fc7","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_gas_history","title":"Gas history, Base gas price","description":"Gas price history on Base (eth_feeHistory): base fee in gwei for each of the last N blocks (5-100, default 20), how full each block was, and the 10th, 50th and 90th percentile priority fees, with the low, average and high base fee over the window. Use to judge whether fees are rising, pick a priority fee or time a transaction; for the current price alone use base_gas. Example: blocks=20. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"blocks":{"type":"integer","minimum":-9007199254740991,"maximum":9007199254740991,"description":"How many recent blocks, 5-100 (default 20)"}},"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Gas history, Base gas price","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"8e9802c0512b51be4ad955c17da319a293c9fdcc333f7e017e26de6eeda178a3","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_is_contract","title":"Base contract check","description":"Check whether a 0x address on Base is a smart contract or a plain wallet: bytecode size, and whether it is an EIP-1167 minimal proxy and which implementation it points to. Use before sending funds or approving a spender; for a fuller risk verdict use check_counterparty. A malformed address is rejected with 400, uncharged. Example: address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"address":{"type":"string","description":"0x address"}},"required":["address"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Base contract check","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"0203874649dbb2df045fa9352f047465fb452a45ab89df075997d4025c56168d","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_logs","title":"Base recent event logs","description":"Recent contract event logs on Base (eth_getLogs): the events a contract emitted over the last N blocks (1-1,000, default 50), optionally filtered by topic0 (the 0x 32-byte event signature hash). Returns up to 100 logs with block, transaction hash and topics. Use to watch transfers or contract events; for one transaction's outcome use base_receipt. Example: address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"address":{"type":"string","description":"0x contract address"},"blocks":{"type":"integer","minimum":-9007199254740991,"maximum":9007199254740991,"description":"How many recent blocks to scan (1-1000, default 50)"},"topic0":{"type":"string","description":"Optional 0x event signature hash to filter by"}},"required":["address"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Base recent event logs","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"8da66e9c33d3821f7475933830a2916f53e1ca7740d00a451a7969713476a8a4","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_nft_balance","title":"NFT balance, Base","description":"How many NFTs of one ERC-721 collection a wallet holds on Base (balanceOf), with the collection's name and symbol. Use to check a holder before a token-gated action or to see whether a wallet still holds a collection; for who holds one token id use base_nft_owner. Both inputs are 0x addresses; a missing contract is 404, a contract that is not ERC-721 422, both uncharged. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"contract":{"type":"string","description":"0x ERC-721 collection contract address"},"address":{"type":"string","description":"0x wallet address"}},"required":["contract","address"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"NFT balance, Base","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"cccf814c64adc7e859a5a941b88872ef751fe4cd086138a2b9bcdf750b4980bb","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_nft_metadata","title":"NFT metadata, Base","description":"NFT metadata on Base: the token URI of one ERC-721 token id (tokenURI) and the JSON it points to (name, description, image, attributes), read from data: URIs, https or ipfs:// (through ipfs.io). Strings over 1,000 characters, such as on-chain SVG images, are shortened. Use to show or check what an NFT is; for its owner use base_nft_owner. A token that does not exist is 422, uncharged; unreachable metadata is reported in metadataError. Example: contract=0x03a520b32C04BF3bEEf7BEb72E919cf822Ed34f1, tokenId=1. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"contract":{"type":"string","description":"0x ERC-721 collection contract address"},"tokenId":{"description":"Token id, a whole number","type":["string","number","boolean"]}},"required":["contract","tokenId"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"NFT metadata, Base","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"bf431879a176bea319bb79434593d696708aff4061d5ce236f868828cc4b3819","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_nft_owner","title":"NFT owner, Base","description":"Owner of an NFT on Base: the wallet that holds one ERC-721 token id right now (ownerOf), plus the collection's name and symbol. Use to verify who holds an NFT before a trade, a mint gate or an airdrop; for how many a wallet holds use base_nft_balance, for the token's metadata base_nft_metadata. A missing contract is 404, a token that does not exist 422, both uncharged. Example: contract=0x03a520b32C04BF3bEEf7BEb72E919cf822Ed34f1, tokenId=1. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"contract":{"type":"string","description":"0x ERC-721 collection contract address"},"tokenId":{"description":"Token id, a whole number","type":["string","number","boolean"]}},"required":["contract","tokenId"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"NFT owner, Base","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"0abb71ed9ecf6c31ff06936ad8dc6cebd672c7845756621c906232fac9c3b91b","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_nonce","title":"Base account nonce","description":"Read the transaction count (nonce) of a 0x address on Base, both confirmed and including pending transactions. Use to build the next transaction or to tell whether an address has ever sent anything; for its balance use base_balance. A malformed address is rejected with 400, uncharged. Example: address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"address":{"type":"string","description":"0x address"}},"required":["address"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Base account nonce","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"0b0be056f778c54c20c070c8057585a969356bd6e8526a46d57a7759500d6f28","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_proxy","title":"Proxy implementation, Base","description":"Find the implementation behind a proxy contract on Base: reads the EIP-1967 implementation, beacon and admin slots, EIP-1822 (UUPS), the older OpenZeppelin layout and EIP-1167 minimal-proxy bytecode, and names the kind found. Use before trusting or decoding a contract whose code can be swapped by its admin; for a fuller risk verdict use contract_risk. A malformed address is 400; an address without code is 404, both uncharged. Example: address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"address":{"type":"string","description":"0x contract address"}},"required":["address"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Proxy implementation, Base","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"895d1a4254a8c2817f8030c913a644e8ebe150b820ffd961d31e080ea8a3e6a1","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_receipt","title":"Base transaction receipt","description":"Transaction receipt on Base (eth_getTransactionReceipt): success or reverted, gas used, effective gas price, fee paid in ETH, number of event logs and any contract created. Use to confirm a payment or call went through; for sender, value and calldata use base_tx. Input is a 0x-prefixed 64-hex hash; a pending or unknown hash returns 404, uncharged. Example: hash=0x7d108fa131ed949c76d50caf2e7dfe25fc9903b9d276c40a0446d8afbdfe86b0. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"hash":{"type":"string","description":"0x-prefixed transaction hash (64 hex characters)"}},"required":["hash"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Base transaction receipt","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"9a3d753610e38d3dd048f25c7b14e66325300c64c3fd0d2891e825f33af483cc","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_storage","title":"Storage slot read, Base","description":"Read one raw storage slot of a contract on Base (eth_getStorageAt): the 32-byte word, as a number and, when it holds one, as an address. Slot is a decimal index or a 0x 32-byte key (mapping and proxy slots). Use to inspect contract state that has no getter, owners or implementation pointers; for proxies use base_proxy. A malformed address or slot is rejected with 400, uncharged. Example: address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"address":{"type":"string","description":"0x contract address"},"slot":{"type":"string","description":"Slot: a decimal index (0, 1, 2…) or a 0x 32-byte key"}},"required":["address"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Storage slot read, Base","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"376d11925d3dc275a95cbd6e0b53c15414aad09e90a5445dd6dfc877ffcf3683","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_token_balance","title":"Base ERC-20 balance","description":"ERC-20 token balance of a wallet on Base (USDC, USDT, WETH or any token, via balanceOf): raw amount, decimals, symbol and the human-readable amount, live from the token contract. Use to check stablecoin or token holdings before a transfer or trade; for the native coin use base_balance. Both inputs are 0x addresses (40 hex characters); no contract returns 404 and a non-ERC-20 contract 422, both uncharged. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"token":{"type":"string","description":"Token: a ticker such as USDC, USDT, WETH or DAI, or the 0x ERC-20 contract address"},"address":{"type":"string","description":"0x wallet address"}},"required":["token","address"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Base ERC-20 balance","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"b1f2a5c185a94d41c8200c1d74619a98f34c8aff622e6c2775bfb0073f7dde35","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_token_info","title":"Base ERC-20 token info","description":"Look up the name, symbol, decimals and total supply of an ERC-20 token contract on Base, live from the contract. Use to identify an unknown token address or to format raw amounts; for a holder's balance use base_token_balance. Input is a ticker (USDC, WETH…) or the token's 0x contract address; an address that is not an ERC-20 contract returns 422, uncharged. Example: token=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"token":{"type":"string","description":"Token: a ticker such as USDC or WETH, or the 0x ERC-20 contract address"}},"required":["token"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Base ERC-20 token info","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"3c87004aefa4bf238aeaa3bd0aed2f666021b3e38aac9391816f1c724dced23f","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_token_transfers","title":"Token transfers, Base","description":"List a wallet's recent transfers of one ERC-20 token (default USDC) on Base, in and out, over the last N blocks (1-2,000, default 1,000): direction, counterparty, amount and transaction, newest first, up to 50. Use to confirm a payment arrived or see what was sent; for the current balance use base_token_balance. Malformed addresses are rejected with 400, uncharged. Example: address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"address":{"type":"string","description":"0x wallet address"},"token":{"type":"string","description":"Token: a ticker such as USDT or WETH, or the 0x ERC-20 contract (default: USDC on this network)"},"blocks":{"type":"integer","minimum":-9007199254740991,"maximum":9007199254740991,"description":"How many recent blocks to scan (1-2000, default 1000; 2,000 blocks is about 67 minutes on Base)"}},"required":["address"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Token transfers, Base","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"6da31e1074458085d215766ff5ba1f81c279b32f2c2c30a644c55c261482b093","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"base_tx","title":"Base transaction status and details: check whether a Base transaction succeeded, its sender, value and fee","description":"Look up any transaction on Base by hash: whether it succeeded, reverted or is still pending, sender and receiver, ETH value, called method id, block number and time, number of confirmations, gas used, gas price and the execution fee paid, and whether it created a contract. Use to confirm that a payment or contract call went through before acting on it. Example: hash=0x7d108fa131ed949c76d50caf2e7dfe25fc9903b9d276c40a0446d8afbdfe86b0. Price $0.003/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"hash":{"type":"string","description":"Transaction hash on Base: 0x followed by 64 hex characters"}},"required":["hash"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Base transaction status and details: check whether a Base transaction succeeded, its sender, value and fee","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"cd68ad29d7f45153c5855d2447f8fd953a17bfcedbdc4960e1214b69fbdf155b","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"btc_address","title":"Bitcoin address balance and activity: check the balance and transactions of a Bitcoin address","description":"Bitcoin address balance and activity for any mainnet address (legacy, P2SH or bech32): confirmed balance in sats and BTC, unconfirmed pending amount, total received and sent, and transaction counts. Use for payment verification, checking whether a deposit arrived, and wallet monitoring. Example: address=bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"address":{"type":"string","description":"Bitcoin mainnet address (1..., 3... or bc1...)"}},"required":["address"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Bitcoin address balance and activity: check the balance and transactions of a Bitcoin address","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"e1ea94f19f09d2ac7ad037a653ddbdfdd2cbb3b68692ef3fb38eb1122a578e55","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"btc_fees","title":"Bitcoin fee rates and mempool status: Bitcoin fee estimate in sat/vB for the next block, half hour and hour, with mempool size","description":"Current Bitcoin network fee rates in sat/vB for next-block, half-hour, one-hour and economy confirmation, the estimated cost in sats of a typical payment, mempool size and total pending fees, and the latest block height. Use before sending a Bitcoin transaction or to decide whether to wait for lower fees. Price $0.002/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"only":{"type":"string","description":"Optional: comma-separated top-level result keys to keep, for a smaller answer (for example only=price,symbol); unknown keys are ignored and an empty match returns the full result"}},"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Bitcoin fee rates and mempool status: Bitcoin fee estimate in sat/vB for the next block, half hour and hour, with mempool size","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"3dd9ededfd332e735fab36f10bc904722e47dac6a1d7bce151b477cd26d7c4bb","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"dex_new_pools","title":"New pools, new token pairs: Uniswap and Aerodrome","description":"Newest liquidity pools on Uniswap v3, Uniswap v2 and (on Base) Aerodrome, read live from the factories' PoolCreated and PairCreated events on Base, Ethereum, Arbitrum, Optimism or Polygon: pool address, both tokens with symbol and decimals, fee tier or stable flag, block, transaction and approximate age, newest first. Use to spot new token listings, watch pool launches or feed a new-pair screener; check token_report before trading. Example: chain=base. Price $0.05/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"chain":{"type":"string","description":"base (default), ethereum, arbitrum, optimism or polygon"},"dex":{"type":"string","description":"all (default), uniswap-v3, uniswap-v2 or aerodrome (Base only)"},"blocks":{"description":"How many recent blocks to scan, 100 to 20000 (default 3000: about 100 minutes on Base, 10 hours on Ethereum)","type":["string","number","boolean"]},"limit":{"description":"Most pools to return, 1 to 30 (default 20)","type":["string","number","boolean"]}},"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"New pools, new token pairs: Uniswap and Aerodrome","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"28eea43548f398af7285eea6f5ffd6ea3b44517fa57a9ff4337e62e5cc7d1a3b","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"ens","title":"ENS name resolver, reverse ENS: ENS name to address and address to ENS name","description":"Resolve an Ethereum Name Service name such as vitalik.eth to its wallet address and avatar, or look up the primary ENS name of an address (reverse resolution). Read live from Ethereum mainnet. Use to turn a human-readable name into a payable address, or to show a readable name for a counterparty address. Example: name=vitalik.eth. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"name":{"type":"string","description":"An ENS name such as vitalik.eth, or an address (0x...) for reverse lookup"}},"required":["name"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"ENS name resolver, reverse ENS: ENS name to address and address to ENS name","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"ae03153c81e8b8b4757fe396c3b6bb86b9cf0165491ec89b7eabf226da81c281","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"},{"serverName":"io.github.Nutshell2000/agent-data-tools-chain","endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","name":"eth_balance","title":"Ethereum native balance","description":"Native ETH balance (eth_getBalance) of any 0x wallet address on Ethereum at the latest block, in wei and in ETH. Use to check whether a wallet can pay gas or a transfer; for ERC-20 tokens use eth_token_balance, for all holdings at once use wallet_portfolio. A malformed address is rejected with 400, uncharged. Example: address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045. Price $0.01/call via x402 USDC or a card key (/credits), first 25 free; failed calls free. Reads or computes only and changes nothing; each call is charged, so repeats are not free.","inputSchema":{"type":"object","properties":{"address":{"type":"string","description":"0x wallet or contract address"}},"required":["address"],"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":{"title":"Ethereum native balance","readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true},"definitionHash":"29edc9a65cdb98bd48d7b28ce990fcdb188d70c03fa6e83a0289db2f4c566b7b","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-11-01T19:46:06.124Z","metadataTrust":"untrusted"}],"endpoints":[{"endpointFingerprint":"7a344ad9bfa316b72e0457b42c8c9a0d49ae333086151120571249d101bc07d3","protocol":"streamable-http","status":"indexed","toolCount":50,"observedAt":"2026-11-01T19:46:06.124Z"}],"authentication":"unknown"},"connectionConfigurations":{"status":"ready","authentication":"not embedded","clients":{"Claude Desktop":{"mcpServers":{"io.github.Nutshell2000/agent-data-tools-chain":{"url":"https://agent-data-tools.revmesh2074.workers.dev/mcp/chain"}}},"Cursor":{"mcpServers":{"io.github.Nutshell2000/agent-data-tools-chain":{"url":"https://agent-data-tools.revmesh2074.workers.dev/mcp/chain"}}},"VS Code":{"servers":{"io.github.Nutshell2000/agent-data-tools-chain":{"type":"http","url":"https://agent-data-tools.revmesh2074.workers.dev/mcp/chain"}}}}},"resourceType":"mcp-server","callable":true,"runtime":{"callable":true,"protocols":["mcp"]},"interfaces":[{"protocol":"mcp","transport":"streamable-http","url":"https://agent-data-tools.revmesh2074.workers.dev/mcp/chain"}],"profile":{"apiVersion":"1","schemaVersion":"1","id":"mcp-server:io.github.Nutshell2000%2Fagent-data-tools-chain","resourceType":"mcp-server","canonicalUrl":"https://www.agentsjunction.com/api/v1/servers/io.github.Nutshell2000%2Fagent-data-tools-chain","name":"io.github.Nutshell2000/agent-data-tools-chain","description":"354 tools: balances, blocks, gas, txs and logs on 5 EVM chains, plus Bitcoin. 25 free calls.","interfaces":[{"protocol":"mcp","transport":"streamable-http","url":"https://agent-data-tools.revmesh2074.workers.dev/mcp/chain"}],"capabilities":[],"identity":{"source":"official-registry","websiteUrl":"https://agent-data-tools.revmesh2074.workers.dev/","repositoryUrl":"https://github.com/Nutshell2000/agent-data-tools","version":"1.84.7"},"verification":{"state":"official","confidence":100},"operations":{"resourceType":"mcp-server","name":"io.github.Nutshell2000/agent-data-tools-chain","status":"online","lastCheckedAt":"2026-11-03T18:18:25.308Z","lastSuccessfulCheck":"2026-11-03T18:18:25.308Z","latencyMs":149,"consecutiveFailures":0,"isStale":false,"checks":{"endpointReachable":true,"protocolValid":true,"agentCardValid":null,"mcpHandshakeValid":true},"lastSeen":null,"lastSuccessfulInteraction":null,"lastHealthCheck":"2026-11-03T18:18:25.308Z","source":{"type":"health-check","url":null},"observedAt":"2026-11-03T18:18:25.308Z"},"security":null,"timestamps":{"createdAt":"2026-10-31T18:16:30.161Z","updatedAt":"2026-10-31T18:16:30.161Z","observedAt":"2026-11-03T18:18:25.308Z"},"compatibility":{"serverVersion":"1.84.7","protocolVersions":[{"protocol":"mcp","version":null}]}}}}