Pay-per-call tools for agents: 2,600+ APIs, OAuth connector; pay with x402 or card credits.
To add toll402-mcp to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 5 environment variables, listed below.
Install
npx -y toll402-mcp@0.5.0Environment variables
TOLL402_WALLET_KEYSet in your MCP configTOLL402_API_KEYSet in your MCP configTOLL402_URLSet in your MCP configTOLL402_MAX_USDSet in your MCP configTOLL402_REFSet in your MCP configInstall with your client
claude mcp add toll402 --env TOLL402_WALLET_KEY=<YOUR_TOLL402_WALLET_KEY> --env TOLL402_API_KEY=<YOUR_TOLL402_API_KEY> --env TOLL402_URL=<YOUR_TOLL402_URL> --env TOLL402_MAX_USD=<YOUR_TOLL402_MAX_USD> --env TOLL402_REF=<YOUR_TOLL402_REF> -- npx -y toll402-mcp@0.5.0
Run this in a terminal to add the server to Claude Code.
What this does
toll402-mcp exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
TOLL402_WALLET_KEY TOLL402_API_KEY TOLL402_URL TOLL402_MAX_USD TOLL402_REF
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install toll402-mcp?
Run the Claude Code command in the install section to add toll402-mcp to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with toll402-mcp?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to toll402-mcp as well.
Does toll402-mcp need an API key?
Yes. Before it can run, set these environment variables: TOLL402_WALLET_KEY, TOLL402_API_KEY, TOLL402_URL, TOLL402_MAX_USD, TOLL402_REF. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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