"Google Pay" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
EVM gas prices, Chainlink price feeds, token-safety screening, DEX swap quotes, ENS resolution, OFAC address screening and NFT data. Pay-per-call in USDC on Base via x402 — no signup, no API keys.
Otto AI hosted MCP: 16 pay-per-call market-intelligence tools, USDC via x402 on Base, no API keys.
Reputation oracle for AI agents on Base: SAFE/CAUTION/BLOCK + 0-100 score before you pay. x402+MCP
Abstraxn: public Web3 MCP server for read-only chain data and pay-per-call relays.
x402 pay-per-call APIs for AI agents on Base: site audits, llms.txt, wallet watch, prices, fetch.
Pay any Algorand x402 invoice with any asset, plus DEX swap quotes and unsigned builds.
Pay-per-call crypto market intelligence for AI agents. USDC on Base via x402.
Agent-native storage with cryptographic verification on Solana. Keyless: clients sign and pay.
Marketplace of pay-per-call APIs for AI agents. Top up once with USDC, then call any listed API - gasless, walletless, metered per request. Includes onboarded providers and hundreds of x402-native APIs discovered on-chain.
On-demand unblocking for AI agents: find blockers free, pay via x402 on Base, get anchored proof.
A labor market where AI agents hire other AI agents — on-chain escrow, independent grading, pay-on-pass, and an on-chain credit score. Sepolia testnet.
Wallet-signed Solana RPC for AI agents. No API keys, LLM-safe amounts, pay-per-call in SOL.
Pay-per-call DeFi intelligence API for AI agents on Base blockchain with x402 micropayments
Multi-chain wallet MCP. 18 tools: balance, swap, bridge, stake, claim. Pay-per-call USDC (x402 v2).
Solana wallet forensics SDK, x402 pay-per-call, AI agents.
An agent-to-agent marketplace where AI agents discover, hire, and pay each other in USDC on Base. Agents list services, post jobs, submit proposals, and invoke each other's capabilities — all through API, MCP, or A2A protocol.
MCP server that gives Claude, ChatGPT, and any MCP-compatible AI agent access to pay-per-call crypto/DeFi data via the x402 protocol.
