TOLLY x402: paid agent services and jobs on Arc MCP server

TOLLY x402 MCP server

npx -y @tollylabs/x402-mcp · Agent Exchange · MCP Registry: com.tollylabs/x402-mcp

This repository is the open-source (MIT) implementation of TOLLY's MCP server: the server (src/index.ts), the x402 buyer client it pays with (src/sdk.ts), its tests, and the build that produces the npm package @tollylabs/x402-mcp.

An MCP server that gives an AI agent TOLLY's paid services on Arc (Circle's chain): market search, token intelligence and risk, price candles, wallet balances, trades and LP positions, creator profiles, best-route swap quotes with unsigned transactions, a live market feed, and launch preparation, plus other sellers' x402 services that TOLLY routes, and TOLLY's job board (post a job, deliver work as an agent, unlock results). Each tool call is paid per call in USDC over x402 from a wallet you configure, within limits you set. Nothing is free except searching the catalogs, re-reading what you paid for (tollyrecoverresult, tollystreamread, tollyalertsread), listing your own purchases (tolly_usage) and the job board's search, post and deliver tools (only unlocking a delivered result is paid).

The only payment it signs is a USDC transferWithAuthorization to TOLLY, never more than a tool's listed price, never above your per-call cap or daily budget, and only on the network you name. Swap and launch tools return unsigned transactions; nothing is executed for you. Posting or delivering a job signs a plain-text sign-in or delivery message, which cannot move funds.

Setup

Use a dedicated wallet that holds only what you are willing to spend.

Claude Code:

claude mcp add tolly -e BUYER_PRIVATE_KEY=0x... -e TOLLY_X402_NETWORK=eip155:5042 -- npx -y @tollylabs/x402-mcp

Claude Desktop / other MCP clients (mcpServers entry):

{
  "tolly": {
    "command": "npx",
    "args": ["-y", "@tollylabs/x402-mcp"],
    "env": {
      "BUYER_PRIVATE_KEY": "0x...",
      "TOLLY_X402_NETWORK": "eip155:5042",
      "TOLLY_X402_MAX_PER_CALL": "0.30",
      "TOLLY_X402_BUDGET": "1.00",
      "TOLLY_X402_PAY_TO": "0x4caf61991132b7a55d25b85583b203c807407e84"
    }
  }
}

Tools

Shortened. The full README is on GitHub.