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Boo X402 MCP Server

local only

Boo X402 MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 54 installs a week from npm. Last commit 12 Jul 2026.

Pay-per-call crypto data for AI agents. USDC on Base via x402. No API key.

Installs per day peak 15 · avg 5 · +22% w/w
a month agotoday
54
Installs / week
npm · boo-x402-mcp
0
Stars
0 open issues
12 Jul 2026
Last commit
no releases in 90 days
MIT
License
JavaScript

Nothing serious here today

Today is the operative word: we check Boo X402 MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add boo-x402-mcp -e 'WALLET_PRIVATE_KEY=<WALLET_PRIVATE_KEY>' -- npx -y boo-x402-mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "boo-x402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "boo-x402-mcp"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "<WALLET_PRIVATE_KEY>"
      }
    }
  }
}
~/.codex/config.toml
[mcp_servers.boo-x402-mcp]
command = "npx"
args = ["-y", "boo-x402-mcp"]
env = { WALLET_PRIVATE_KEY = "<WALLET_PRIVATE_KEY>" }
.cursor/mcp.json
{
  "mcpServers": {
    "boo-x402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "boo-x402-mcp"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "<WALLET_PRIVATE_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "boo-x402-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "boo-x402-mcp"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "<WALLET_PRIVATE_KEY>"
      }
    }
  }
}

Put your own value in place of <WALLET_PRIVATE_KEY> (Private key of a wallet holding USDC on Base. Stays on your machine). The author’s registry entry marks it as required.

Optional settings from the registry entry, left out of the block above: MAX_USD_PER_CALL (Max USD per single call (default 0.05)), MAX_USD_TOTAL (Max USD per session (default 5)).

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Boo X402 MCP — questions

Answers built from our own checks of this server.

Why is there no uptime for Boo X402 MCP?
Boo X402 MCP runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package boo-x402-mcp was installed 54 times last week.
How do I connect Boo X402 MCP?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It runs locally, so the command pulls boo-x402-mcp straight from npm; nothing to host, nothing to sign up for.
How many people use Boo X402 MCP?
The npm package boo-x402-mcp was installed 54 times in the last week. Week over week that is +22%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Boo X402 MCP open source?
Yes — it is published under the MIT licence, written in JavaScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.