# Tollbooth X402

Discover, quote, verify & self\-check 56 x402 pay\-per\-call finance/tax calculators for AI agents\.

Canonical: https://claudelist.com/listings/mcp-reg-io-github-solomonisblack-tollbooth-x402-dd6eaafecb

Category: MCP Servers

Source: community · SolomonisBlack

Source checked: 2026-10-14

Website: https://www.claudemcp.org/mcp/registry/io-github-solomonisblack-tollbooth-x402-dd6eaafecb78.html

Publisher description: Discover, quote, verify & self-check 56 x402 pay-per-call finance/tax calculators for AI agents.

## Install or set up

1. Review the publisher repository and npm package `tollbooth-x402@0.6.0` before running it. The MCP Registry declares this package as a stdio server.
2. Install Node.js, then run the command below in your Claude Code project. Check the publisher README for any account or configuration requirements.
3. Restart Claude Code and use `/mcp` to confirm the connection and review its tools and permissions.

```sh
claude mcp add mcp-io-github-solomonisblack-tollbooth-x402-dd6eaa -- npx -y tollbooth-x402@0.6.0
```

Installation guide: https://github.com/SolomonisBlack/tollbooth-x402