"Toll" matching MCP connectors:

Pay-per-call tools for AI agents, paid in USDC on Base or Solana. Web search, page and PDF reading, crypto news, Hyperliquid perps, market pulse, Chainlink price history, token checks, SEC filings, weather and more. Free calls every day, and a failed call costs nothing. Works with Tollkit Wallet.

128 x402 pay-per-call tools. Crypto, swaps, web, AI. Pay USDC per request.

Robinhood Chain checks for agents: coins, devs, ERC-8004 agents, pre-sign check, Stock Token data.

Verified-artifact library: match, ask, run fixture programs, reuse sealed pages (HTTP 402 toll).

Robinhood Chain checks for agents: coins, LARP, devs, agents, v4 hooks, pre-sign, Stock Tokens.

ViridisOS — theorem-backed conservation certification + the unified trust root/mark/toll. Certify pa

37 paid x402 MCP tools for OSINT, prediction markets, web intel, and agent security on Base USDC.

On-chain DeFi smart contract auditor, arbitrage scanner, and agent tollbooth via x402 on Base.

Fetches alpha intelligence data secured by an Ethereum Mainnet smart contract verification toll.

Token swaps and honeypot/rug checks for AI agents on 8 chains, paid per-call in USDC via x402.