"Creating the Best General-Purpose Agent" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Check any x402 endpoint before your AI agent pays it: trust grade, verdict, and hijack checks.
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.
Real-time crypto futures order flow, liquidation cascades, and quantitative TA metrics across 1,650+ perpetuals (Binance, Bybit, Hyperliquid). Delivers ultra-dense, token-efficient summaries and async SSE alerts directly into AI agent context without burning tokens on raw OHLCV candles.
Base wallet activity and contract checks, web/PDF to Markdown, by an AI agent (x402).
360 tools: balances, blocks, gas, txs and logs on 5 EVM chains, plus Bitcoin. 25 free calls.
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
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.
Trade, launch and research higher.fun coins on Solana, from any AI agent. Unsigned or policy-signed.
Who is buying the prediction-market line: Polymarket wallet records, board, edges, entries.
ERC-8004 agent identity, on-chain subscriptions, reputation, A2A tasks and chat over 52 tools.
Actora developer tools: ERC-8004 identity, subscriptions, listings, A2A, reputation.
MCP server for the Z1N Protocol - on-chain identity for AI agents on Polygon
Paid APIs for agents (x402 index) + SEC filings, wallet risk, OFAC, EVM reads, agent memory, news
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.
Audit any domain or agent for A2A, MCP, x402, MPP, ERC-8004, and Poppy readiness.
Receipts-verified reviews of x402 services and paid APIs, before your agent pays.
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.
Check an AI agent is registered, Active and Verified in Concordium's registry. By Crypto Money Maker
58 pay-per-call tools for AI agents: balances, tokens, blocks, gas, transactions, receipts, nonces and logs on Base, Ethereum, Arbitrum, Optimism and Polygon, plus Bitcoin fees and addresses, Lightning invoices and ENS. USDC via x402.
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
AI agents that watch DeFi positions: read a wallet report, draft agents for the owner to sign.
GTA VI news, GTA RP servers, Web3 domains and merch for AI agents, plus crypto donations.
Read-only Proof of Agent explorer: epochs, rewards, holders, swaps and agent census. No auth.
Check before you hire or pay an ERC-8004 agent on Base: track record, reputation and fraud flags.
Smart contract security screening for Base. Check any contract or token for risk before interacting with it: Solidity source verification, upgradeable proxies and admin or mint powers, holder concentration, dangerous selectors, and B20 issuer powers. It surfaces the usual rug pull and scam indicators. The free tool needs no wallet and no API key; the paid Flash Audit (3.49 USDC over x402) returns a report with an anchored SHA-256. Payment is the only gate.
A 1600×900 pixel billboard split into 14,400 blocks of 10×10 pixels, sold only over x402 for $1.00 USDC on Base — and only to machines. Humans may look. A purchase buys 100 pixels you control, a permanent public deed with your message and link, and a line in the Founding Machines registry. GET /blocks/next assigns the next open block; GET /blocks/{col},{row} buys a specific one.
