Agent Data API MCP Server

by lx1112 Your server? Claim it

answering

Agent Data API is answering right now. Last checked 6 min ago. It exposes 68 tools.

Token risk, wallet profiles, OFAC screening, whale trades on 6 chains. x402, USDC per call.

Uptime history 27 hours of history

27 hours agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

434 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 2

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 25 October 2026. No other catalogue keeps this.

25 Oct 2 tools appeared deployer_record, token_verdict

Nothing serious here today

Today is the operative word: we check Agent Data API every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 6 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add agent-data-api --transport http https://onchaincheck.dev/mcp

Settings → Connectors → Add custom connector, then paste this address

https://onchaincheck.dev/mcp

~/.codex/config.toml

[mcp_servers.agent-data-api]
url = "https://onchaincheck.dev/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "agent-data-api": {
      "url": "https://onchaincheck.dev/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "agent-data-api": {
      "type": "http",
      "url": "https://onchaincheck.dev/mcp"
    }
  }
}

Available tools 68

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

base

base_contract_info

Identify what lives at a Base address: wallet (EOA, including EIP-7702 delegation) or contract, which token standard it implements (ERC-20, ERC-721, ERC-1155), name and symbol, upgradeable-proxy implementation and admin, smart-wallet proxies, bytecode size, nonce and ETH balance. Costs $0.005 USDC on Base via x402.

base_erc20_allowance

ERC-20 allowance on Base: how much a spender may transfer from an owner, whether the approval is effectively unlimited, the owner's balance, and the amount the spender could move right now. Costs $0.005 USDC on Base via x402.

base_gas_prices

Current Base gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in ETH and USD of a native transfer and an ERC-20 transfer (Chainlink ETH/USD). Costs $0.005 USDC on Base via x402.

base_large_trades

Whale and large-trade tracker for an ERC-20 on Base: every buy and sell in the last N minutes on the token's deepest WETH/USDC pools (Uniswap v3 or Aerodrome), with USD size, side, wallet and transaction for the largest trades, buy/sell volume and net flow, and the wallets that bought or sold the most. Costs $0.02 USDC on Base via x402.

base_new_pools

New trading pools created on Base in the last N minutes on Uniswap v4, Uniswap v3 or Aerodrome: both tokens with symbol, name and decimals, fee tier, v4 hooks, whether it pairs with ETH, WETH or USDC, and quote liquidity where readable. Unvetted: many new pools are spam. Costs $0.01 USDC on Base via x402.

base_nft_metadata

Metadata for an ERC-721 or ERC-1155 token on Base: collection name, current owner (ERC-721), token URI, and the metadata JSON fetched and decoded from IPFS, Arweave, HTTPS or an inline data URI, with a browser-loadable image URL. Costs $0.008 USDC on Base via x402.

base_resolve_basename

Resolve a Basename (name.base.eth) to its Base address and profile records (avatar, description, url, Twitter, GitHub). Accepts "jesse", "jesse.base" or "jesse.base.eth". Costs $0.005 USDC on Base via x402.

base_token_snapshot

Rug check and due-diligence snapshot of an ERC-20 token on Base: a 0-100 risk score with reasons, name, symbol, decimals, supply, owner and whether ownership is renounced, upgradeable-proxy detection, owner-only functions found in the bytecode (mint, pause, blacklist, fee changes), and USD price, liquidity and FDV from the deepest WETH or USDC pool on Uniswap v3 or Aerodrome. Facts only, no buy or sell opinion. Costs $0.01 USDC on Base via x402.

base_transaction_summary

Human-readable summary of a Base transaction: status, block and time, sender and recipient, ETH value, gas used and fee, method selector, and decoded ERC-20 transfers with token symbols and amounts. Costs $0.005 USDC on Base via x402.

base_wallet_balances

Native ETH balance of a Base wallet plus the balances of up to 20 ERC-20 tokens you list, formatted with each token's symbol and decimals, read live from Base. Costs $0.005 USDC on Base via x402.

base_wallet_profile

Who is this Base address? Wallet age (first transfer), first funder, contract or EOA, ETH balance and nonce, the latest transfers in and out (native, ERC-20, NFTs), top counterparties by count, and recent large transfers in USD (ETH, WETH, USDC, USDT), from Alchemy's transfer index. Costs $0.01 USDC on Base via x402.

eth

eth_contract_info

Identify what lives at a Ethereum address: wallet (EOA, including EIP-7702 delegation) or contract, which token standard it implements (ERC-20, ERC-721, ERC-1155), name and symbol, upgradeable-proxy implementation and admin, smart-wallet proxies, bytecode size, nonce and ETH balance. Costs $0.005 USDC on Base via x402.

eth_erc20_allowance

ERC-20 allowance on Ethereum: how much a spender may transfer from an owner, whether the approval is effectively unlimited, the owner's balance, and the amount the spender could move right now. Costs $0.005 USDC on Base via x402.

eth_gas_prices

Current Ethereum gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in ETH and USD of a native transfer and an ERC-20 transfer (Chainlink ETH/USD). Costs $0.005 USDC on Base via x402.

eth_large_trades

Whale and large-trade tracker for an ERC-20 on Ethereum: every buy and sell in the last N minutes on the token's deepest WETH/USDC pools (Uniswap v3), with USD size, side, wallet and transaction for the largest trades, buy/sell volume and net flow, and the wallets that bought or sold the most. Costs $0.02 USDC on Base via x402.

eth_new_pools

New trading pools created on Ethereum in the last N minutes on Uniswap v4, Uniswap v3: both tokens with symbol, name and decimals, fee tier, v4 hooks, whether it pairs with ETH, WETH or USDC, and quote liquidity where readable. Unvetted: many new pools are spam. Costs $0.01 USDC on Base via x402.

eth_nft_metadata

Metadata for an ERC-721 or ERC-1155 token on Ethereum: collection name, current owner (ERC-721), token URI, and the metadata JSON fetched and decoded from IPFS, Arweave, HTTPS or an inline data URI, with a browser-loadable image URL. Costs $0.008 USDC on Base via x402.

eth_resolve_ens

ENS on Ethereum: resolve a name (vitalik.eth) to its address and profile records (avatar, description, url, Twitter, GitHub), or pass an address instead to get its primary ENS name. Uses ENS's universal resolver. Costs $0.005 USDC on Base via x402.

eth_token_snapshot

Rug check and due-diligence snapshot of an ERC-20 token on Ethereum: a 0-100 risk score with reasons, name, symbol, decimals, supply, owner and whether ownership is renounced, upgradeable-proxy detection, owner-only functions found in the bytecode (mint, pause, blacklist, fee changes), and USD price, liquidity and FDV from the deepest WETH or USDC pool on Uniswap v3. Facts only, no buy or sell opinion. Costs $0.01 USDC on Base via x402.

eth_transaction_summary

Human-readable summary of a Ethereum transaction: status, block and time, sender and recipient, ETH value, gas used and fee, method selector, and decoded ERC-20 transfers with token symbols and amounts. Costs $0.005 USDC on Base via x402.

eth_wallet_balances

Native ETH balance of a Ethereum wallet plus the balances of up to 20 ERC-20 tokens you list, formatted with each token's symbol and decimals, read live from Ethereum. Costs $0.005 USDC on Base via x402.

eth_wallet_profile

Who is this Ethereum address? Wallet age (first transfer), first funder, contract or EOA, ETH balance and nonce, the latest transfers in and out (native, ERC-20, NFTs), top counterparties by count, and recent large transfers in USD (ETH, WETH, USDC, USDT), from Alchemy's transfer index. Costs $0.01 USDC on Base via x402.

arbitrum

arbitrum_contract_info

Identify what lives at a Arbitrum One address: wallet (EOA, including EIP-7702 delegation) or contract, which token standard it implements (ERC-20, ERC-721, ERC-1155), name and symbol, upgradeable-proxy implementation and admin, smart-wallet proxies, bytecode size, nonce and ETH balance. Costs $0.005 USDC on Base via x402.

arbitrum_erc20_allowance

ERC-20 allowance on Arbitrum One: how much a spender may transfer from an owner, whether the approval is effectively unlimited, the owner's balance, and the amount the spender could move right now. Costs $0.005 USDC on Base via x402.

arbitrum_gas_prices

Current Arbitrum One gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in ETH and USD of a native transfer and an ERC-20 transfer (Chainlink ETH/USD). Costs $0.005 USDC on Base via x402.

arbitrum_large_trades

Whale and large-trade tracker for an ERC-20 on Arbitrum One: every buy and sell in the last N minutes on the token's deepest WETH/USDC pools (Uniswap v3), with USD size, side, wallet and transaction for the largest trades, buy/sell volume and net flow, and the wallets that bought or sold the most. Costs $0.02 USDC on Base via x402.

arbitrum_new_pools

New trading pools created on Arbitrum One in the last N minutes on Uniswap v4, Uniswap v3: both tokens with symbol, name and decimals, fee tier, v4 hooks, whether it pairs with ETH, WETH or USDC, and quote liquidity where readable. Unvetted: many new pools are spam. Costs $0.01 USDC on Base via x402.

arbitrum_nft_metadata

Metadata for an ERC-721 or ERC-1155 token on Arbitrum One: collection name, current owner (ERC-721), token URI, and the metadata JSON fetched and decoded from IPFS, Arweave, HTTPS or an inline data URI, with a browser-loadable image URL. Costs $0.008 USDC on Base via x402.

arbitrum_token_snapshot

Rug check and due-diligence snapshot of an ERC-20 token on Arbitrum One: a 0-100 risk score with reasons, name, symbol, decimals, supply, owner and whether ownership is renounced, upgradeable-proxy detection, owner-only functions found in the bytecode (mint, pause, blacklist, fee changes), and USD price, liquidity and FDV from the deepest WETH or USDC pool on Uniswap v3. Facts only, no buy or sell opinion. Costs $0.01 USDC on Base via x402.

arbitrum_transaction_summary

Human-readable summary of a Arbitrum One transaction: status, block and time, sender and recipient, ETH value, gas used and fee, method selector, and decoded ERC-20 transfers with token symbols and amounts. Costs $0.005 USDC on Base via x402.

arbitrum_wallet_balances

Native ETH balance of a Arbitrum One wallet plus the balances of up to 20 ERC-20 tokens you list, formatted with each token's symbol and decimals, read live from Arbitrum One. Costs $0.005 USDC on Base via x402.

arbitrum_wallet_profile

Who is this Arbitrum One address? Wallet age (first transfer), first funder, contract or EOA, ETH balance and nonce, the latest transfers in and out (native, ERC-20, NFTs), top counterparties by count, and recent large transfers in USD (ETH, WETH, USDC, USDT), from Alchemy's transfer index. Costs $0.01 USDC on Base via x402.

optimism

optimism_contract_info

Identify what lives at a OP Mainnet address: wallet (EOA, including EIP-7702 delegation) or contract, which token standard it implements (ERC-20, ERC-721, ERC-1155), name and symbol, upgradeable-proxy implementation and admin, smart-wallet proxies, bytecode size, nonce and ETH balance. Costs $0.005 USDC on Base via x402.

optimism_erc20_allowance

ERC-20 allowance on OP Mainnet: how much a spender may transfer from an owner, whether the approval is effectively unlimited, the owner's balance, and the amount the spender could move right now. Costs $0.005 USDC on Base via x402.

optimism_gas_prices

Current OP Mainnet gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in ETH and USD of a native transfer and an ERC-20 transfer (Chainlink ETH/USD). Costs $0.005 USDC on Base via x402.

optimism_large_trades

Whale and large-trade tracker for an ERC-20 on OP Mainnet: every buy and sell in the last N minutes on the token's deepest WETH/USDC pools (Uniswap v3 or Velodrome), with USD size, side, wallet and transaction for the largest trades, buy/sell volume and net flow, and the wallets that bought or sold the most. Costs $0.02 USDC on Base via x402.

optimism_new_pools

New trading pools created on OP Mainnet in the last N minutes on Uniswap v4, Uniswap v3 or Velodrome: both tokens with symbol, name and decimals, fee tier, v4 hooks, whether it pairs with ETH, WETH or USDC, and quote liquidity where readable. Unvetted: many new pools are spam. Costs $0.01 USDC on Base via x402.

optimism_nft_metadata

Metadata for an ERC-721 or ERC-1155 token on OP Mainnet: collection name, current owner (ERC-721), token URI, and the metadata JSON fetched and decoded from IPFS, Arweave, HTTPS or an inline data URI, with a browser-loadable image URL. Costs $0.008 USDC on Base via x402.

optimism_token_snapshot

Rug check and due-diligence snapshot of an ERC-20 token on OP Mainnet: a 0-100 risk score with reasons, name, symbol, decimals, supply, owner and whether ownership is renounced, upgradeable-proxy detection, owner-only functions found in the bytecode (mint, pause, blacklist, fee changes), and USD price, liquidity and FDV from the deepest WETH or USDC pool on Uniswap v3 or Velodrome. Facts only, no buy or sell opinion. Costs $0.01 USDC on Base via x402.

optimism_transaction_summary

Human-readable summary of a OP Mainnet transaction: status, block and time, sender and recipient, ETH value, gas used and fee, method selector, and decoded ERC-20 transfers with token symbols and amounts. Costs $0.005 USDC on Base via x402.

optimism_wallet_balances

Native ETH balance of a OP Mainnet wallet plus the balances of up to 20 ERC-20 tokens you list, formatted with each token's symbol and decimals, read live from OP Mainnet. Costs $0.005 USDC on Base via x402.

optimism_wallet_profile

Who is this OP Mainnet address? Wallet age (first transfer), first funder, contract or EOA, ETH balance and nonce, the latest transfers in and out (native, ERC-20, NFTs), top counterparties by count, and recent large transfers in USD (ETH, WETH, USDC, USDT), from Alchemy's transfer index. Costs $0.01 USDC on Base via x402.

polygon

polygon_contract_info

Identify what lives at a Polygon PoS address: wallet (EOA, including EIP-7702 delegation) or contract, which token standard it implements (ERC-20, ERC-721, ERC-1155), name and symbol, upgradeable-proxy implementation and admin, smart-wallet proxies, bytecode size, nonce and POL balance. Costs $0.005 USDC on Base via x402.

polygon_erc20_allowance

ERC-20 allowance on Polygon PoS: how much a spender may transfer from an owner, whether the approval is effectively unlimited, the owner's balance, and the amount the spender could move right now. Costs $0.005 USDC on Base via x402.

polygon_gas_prices

Current Polygon PoS gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in POL and USD of a native transfer and an ERC-20 transfer (Chainlink POL/USD). Costs $0.005 USDC on Base via x402.

polygon_large_trades

Whale and large-trade tracker for an ERC-20 on Polygon PoS: every buy and sell in the last N minutes on the token's deepest WPOL/USDC pools (Uniswap v3), with USD size, side, wallet and transaction for the largest trades, buy/sell volume and net flow, and the wallets that bought or sold the most. Costs $0.02 USDC on Base via x402.

polygon_new_pools

New trading pools created on Polygon PoS in the last N minutes on Uniswap v4, Uniswap v3: both tokens with symbol, name and decimals, fee tier, v4 hooks, whether it pairs with POL, WPOL or USDC, and quote liquidity where readable. Unvetted: many new pools are spam. Costs $0.01 USDC on Base via x402.

polygon_nft_metadata

Metadata for an ERC-721 or ERC-1155 token on Polygon PoS: collection name, current owner (ERC-721), token URI, and the metadata JSON fetched and decoded from IPFS, Arweave, HTTPS or an inline data URI, with a browser-loadable image URL. Costs $0.008 USDC on Base via x402.

polygon_token_snapshot

Rug check and due-diligence snapshot of an ERC-20 token on Polygon PoS: a 0-100 risk score with reasons, name, symbol, decimals, supply, owner and whether ownership is renounced, upgradeable-proxy detection, owner-only functions found in the bytecode (mint, pause, blacklist, fee changes), and USD price, liquidity and FDV from the deepest WPOL or USDC pool on Uniswap v3. Facts only, no buy or sell opinion. Costs $0.01 USDC on Base via x402.

polygon_transaction_summary

Human-readable summary of a Polygon PoS transaction: status, block and time, sender and recipient, POL value, gas used and fee, method selector, and decoded ERC-20 transfers with token symbols and amounts. Costs $0.005 USDC on Base via x402.

polygon_wallet_balances

Native POL balance of a Polygon PoS wallet plus the balances of up to 20 ERC-20 tokens you list, formatted with each token's symbol and decimals, read live from Polygon PoS. Costs $0.005 USDC on Base via x402.

polygon_wallet_profile

Who is this Polygon PoS address? Wallet age (first transfer), first funder, contract or EOA, POL balance and nonce, the latest transfers in and out (native, ERC-20, NFTs), top counterparties by count, and recent large transfers in USD (POL, WPOL, USDC, USDT), from Alchemy's transfer index. Costs $0.01 USDC on Base via x402.

canada

canada_business_days

Number of business days between two dates in a Canadian province or territory, excluding weekends and that province's statutory holidays (with weekend holidays moved to their observed weekday). Counts from the start date up to but not including the end date, and lists the holidays skipped. Costs $0.005 USDC on Base via x402.

canada_sales_tax

Canadian sales tax breakdown for an amount in a province or territory: GST, HST, PST, RST or QST with each rate and amount rounded to the cent, plus the total. Rates are looked up for the given date (default today), so historical changes such as Nova Scotia's 2025 HST cut are handled. Costs $0.005 USDC on Base via x402.

canada_statutory_holidays

Statutory (general) holidays for a Canadian province or territory in a given year, using the province's local names, with the actual date and the weekday it is observed when it falls on a weekend. Costs $0.01 USDC on Base via x402.

token

token_risk_check

Is this token safe? Rug check for any token on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana: a 0-100 risk score with plain reasons (mint, freeze, blacklist, fee, pause or trading-switch powers, upgradeable code, holder concentration, thin liquidity, a deployer whose earlier tokens lost their liquidity), the facts behind it, and USD price and liquidity. A fingerprint sent back as since returns what changed. Rules-based, not advice. Costs $0.01 USDC on Base via x402.

token_verdict

Rug Radar verdict for a token on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana: a grade (CLEAN, MID, SKETCHY, RUGGY), a one-liner, a short take and a shareable card, built from real onchain facts: the 0-100 risk score with its reasons and the deployer's record (did their earlier tokens lose liquidity?). Same call shape as quest verdicts: POST tokenAddress with an optional requestKey, echoed back. Rules-based, not financial advice. Costs $0.01 USDC on Base via x402.

token_watchlist

Re-check up to 5 tokens you hold or watch in one call, on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana: each token's 0-100 risk score, level, reason codes, price, liquidity and a fingerprint. Send the fingerprints back as since to get what changed (new risks, owner or authority changes, liquidity or price moves of 10%+) and a short list of alerts. One price for the whole list, made for polling positions on a schedule. Rules-based, not advice. Costs $0.01 USDC on Base via x402.

ecb

fx_ecb_convert

Convert an amount between two currencies at the European Central Bank daily reference rate, latest or for a past date, returning the rate used, the result, and the rate date. Costs $0.005 USDC on Base via x402.

fx_ecb_rates

European Central Bank daily reference exchange rates for about 30 major currencies, from any base currency, latest or for a past date. Rates update once per working day; the response states which day. Costs $0.005 USDC on Base via x402.

prepayment

prepayment_safety_check

Is it safe to pay this address? One check before sending or accepting crypto: OFAC SDN sanctions screen, wallet age, EOA or contract, first funder and recent large transfers on Base, Ethereum, Arbitrum, Optimism or Polygon (wallet kind and activity on Solana), plus the token's 0-100 risk score when a token is given. Returns ok, caution or block with plain reasons and each check in full. Rules-based, not legal advice. Costs $0.02 USDC on Base via x402.

prepayment_safety_check_lite

Is it safe to pay this address? The address-only version of /check: OFAC SDN sanctions screen, wallet age, EOA or contract, first funder and recent large transfers on Base, Ethereum, Arbitrum, Optimism or Polygon (wallet kind and activity on Solana), with the funder and counterparties screened too. Returns ok, caution or block with plain reasons. No token score (use /check for that). Rules-based, not legal advice. Costs $0.01 USDC on Base via x402.

solana

solana_token_snapshot

Rug check and due-diligence snapshot of a Solana SPL or Token-2022 token: a 0-100 risk score with reasons, name, symbol, supply, mint and freeze authority, Token-2022 controls (permanent delegate, transfer fees, transfer hook, pausable), metadata mutability, top-holder concentration split into wallets and program accounts, and USD price, liquidity, volume and pools from Jupiter and DexScreener. Facts only, no buy or sell opinion. Costs $0.01 USDC on Base via x402.

solana_wallet

Portfolio and activity of a Solana wallet: SOL and every SPL and Token-2022 balance with USD values from Jupiter, sorted by value, with dust, unpriced and empty token accounts summarized, plus the newest transaction time, transactions in the last 24 hours, and the oldest transaction in the newest 1,000, with a flag when history goes further back. Costs $0.005 USDC on Base via x402.

address

address_sanctions_screen

Is this address sanctioned? Screens a crypto address against the US Treasury OFAC SDN list's published digital currency addresses (ETH, USDC, USDT, XBT, SOL, TRX and others): the listed entity, programs and listing date on a match, or not found as of the list date. Adds whether it is a wallet (EOA) or contract on Base, Ethereum, Arbitrum, Optimism or Polygon, or a wallet or program-derived address on Solana. Not legal advice. Costs $0.005 USDC on Base via x402.

company

company_jobs

Open jobs at a company, from its own applicant tracking system's public job board: Greenhouse, Lever, Ashby, Workable, SmartRecruiters, Recruitee, BambooHR, Personio, Teamtailor, or Workday from a careers URL. Give a company name, website or job-board URL, with optional title, location and remote filters. Returns the newest 50 matching jobs with title, department, location, remote flag, salary when published, posting date and apply link, plus total counts. Costs $0.005 USDC on Base via x402.

deployer

deployer_record

Who launched this token, and what happened to their other tokens? A creator's launch record on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana from our own history of new pools: every token the wallet launched since 2026-10-23 with its risk score at launch and whether its liquidity was gone 24 hours and 7 days later, plus a verdict (repeat-rugger, prior-rug, serial-launcher, clean-so-far, too-new). Pass the deployer wallet or a token address. Not advice. Costs $0.005 USDC on Base via x402.

x402

x402_ping

The smallest real x402 paid call: costs $0.001 in USDC and returns ok with the server time and payment network. Useful for checking that an x402 client can sign and settle a payment end to end. Costs $0.001 USDC on Base via x402.

Endpoints

URL	Transport	State	Latency	Checked
https://onchaincheck.dev/mcp	streamable-http	answering	396 ms	6 min ago

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Agent Data API — questions

Answers built from our own checks of this server.

What can Agent Data API do?

It exposes 68 tools, read directly from the server on our last check. Among them: address_sanctions_screen, arbitrum_contract_info, arbitrum_erc20_allowance, arbitrum_gas_prices, arbitrum_large_trades, arbitrum_new_pools and 62 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

What is Agent Data API mostly used for?

Its tools cluster around base, eth and optimism. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.

Is Agent Data API working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 434 ms. The bar chart above shows every period we have measured.

How do I connect Agent Data API?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Agent Data API need an API key?

No. Agent Data API completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 68 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Agent Data API?

It answers our handshake in 434 ms on average, which is faster than 32% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.