Documentation
agenttoll.dev is a paid MCP service. Agents buy data calls one at a time in USDC on Base. No accounts, no subscriptions.
MCP endpoint
https://agenttoll.dev/mcp
Payment rail
Paid tools settle in Base USDC through x402. A buyer wallet needs USDC on Base mainnet.
Network: Base mainnet USDC: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 Seller: 0x62a0D3d9DF0dE8804983009949c714EaeAFd87F1
Paid call flow
1. Agent fetches /.well-known/agent.json for tool names and prices.
2. Agent calls the MCP tool or HTTP endpoint.
3. Server responds with HTTP 402 and an x402 payment challenge.
4. Agent pays in USDC on Base, retries with payment header.
5. Agent receives structured JSON result.
Receipts
After payment settles, verify on Base with /receipt/<tx>.