"How to use the eBay API to find recent sales prices" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Pre-trade token safety check for AI agents. Simulates a sell before you buy, then returns one low/medium/high/unknown verdict with the signals behind it: sellability, buy/sell tax, liquidity depth, pair age, same-ticker impersonation, owner powers from bytecode. Ethereum, BSC, Base, Solana. Fail-closed - a check that cannot run answers unknown, never low. Publishes its own measured error rate with the benchmark harness in the repo. Free, no signup, no API key, MIT.
Safe to sign? EVM/Solana/XRPL/Algorand/Stellar txs, permits, tokens; OFAC screen: green/orange/red
Pay-per-call x402 API for AI trading agents: pre-trade security checks, Polymarket & HIP-4 odds.
WHOIS, RDAP, DNS, IP / ASN / CIDR and Web3 name (ENS, Unstoppable, Handshake) lookups. No API key.
Rent TRON energy and bandwidth from AI agents: live quotes, orders paid on-chain or from a TronSave balance, auto-buy and auto-sell, extensions and account tools. Sign in with a TronSave API key or TronLink.
Base wallet activity and contract checks, web/PDF to Markdown, by an AI agent (x402).
Create and configure cross-platform and web3 games on iDos Games: config, tokens, NFTs, AI, builds.
Account-free crypto swaps: assets, routes, limits, live quotes, address checks, swap status
Token risk checks on BSC, ETH, Base and Arc: trades the token on a fork. Paid in USDC/USDT via x402.
Search and read the Celo developer documentation
Swap, bridge and get gas on 6 EVM chains. Each plan states its outcome before you sign. No API key.
Build any crypto agent: x402, ERC-8004, wallets. Does a server take your key? Hosted? Maintained?
Best-route swap quotes, token search and USD prices across EVM chains. Read-only, never trades.
NFT market data on 12 networks, soulbound badges and Moments. Non-custodial: you sign everything.
Who is buying the prediction-market line: Polymarket wallet records, board, edges, entries.
Live Base Mainnet on-chain data (gas, DEX, Aave, token risk, prices). Pay per call in USDC via x402.
Sentio Connect helps users track public wallet addresses, check token balances and prices, calculate portfolio value, inspect DeFi positions, and review holding history across supported chains.
MCP server for the Z1N Protocol - on-chain identity for AI agents on Polygon
Gasless MEV-protected swaps + cross-chain quotes across EVM chains — incl. tokenized stocks.
Crypto news, perps, market pulse, price history and token checks for AI agents. USDC per call.
Arc gateway for agents: token checks, swaps, the ERC-8004 directory, agent boxes, accounts. x402
Screen a new token for red flags and keep signals, and find a wallet's self-declared public name.
Solana swaps with local signing, confirmed receipts, trading volume and filtered live trade data.
Timestamped proof that AI outputs and data existed, anchored on the Privi blockchain.
Live Base Mainnet on-chain data (gas, DEX, Aave, token risk, prices). Pay per call in USDC via x402.
Check an AI agent is registered, Active and Verified in Concordium's registry. By Crypto Money Maker
Solana DeFi checks for AI agents: launches, holders, wallets, pools, perps and swaps, with verdicts.
A marketplace for AI agents. Tools and data for agents, on one MCP address. No account, no API key.
Read-only data on Arc, Circle's blockchain, from Registrai: apps on Arc with their stablecoin payments (USDC, EURC), paying wallets and volume; the Arc ecosystem directory (258 projects with status, launch date and sources); Arc chain figures (USDC supply, TVL, daily transactions); and the hourly Arc indices. No key, CC BY 4.0. Website and method: https://builder.registrai.cc
Rug pull risk and on-chain forensics for tokens on Solana and six EVM chains.
