Kerdos X402 MCP Server

by singlishman Your server? Claim it

local only

Kerdos X402 MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 22 installs a week from npm. Last commit 27 Apr 2026.

Crypto market intelligence MCP — pay-per-tool-call in USDC on Base via the x402 protocol.

Installs per day peak 25 · avg 7 · +28% w/w

a month agotoday

Installs / week

npm · kerdos-x402-mcp

Stars

0 open issues

27 Apr 2026

Last commit

0 releases in 90 days

MIT

License

JavaScript

Nothing serious here today

Today is the operative word: we check Kerdos 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.

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.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add kerdos-x402-mcp -- npx -y kerdos-x402-mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "kerdos-x402-mcp": {
      "args": [
        "-y",
        "kerdos-x402-mcp"
      ],
      "command": "npx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.kerdos-x402-mcp]
command = "npx"
args = ["-y", "kerdos-x402-mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "kerdos-x402-mcp": {
      "args": [
        "-y",
        "kerdos-x402-mcp"
      ],
      "command": "npx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "kerdos-x402-mcp": {
      "args": [
        "-y",
        "kerdos-x402-mcp"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: EVM_PRIVATE_KEY (User-supplied EVM private key on Base mainnet. Used solely to sign USDC `transferWithAuthorization` payment payloads via x402. Each tool call costs $0.01-$0.06 USDC.), KERDOS_X402_BASE_URL (Optional override of the Kerdos x402 endpoint base URL.). The author declared them in the registry entry; get the values from the project itself.

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Kerdos X402 MCP — questions

Answers built from our own checks of this server.

Why is there no uptime for Kerdos X402 MCP?

Kerdos 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 kerdos-x402-mcp was installed 22 times last week.

How do I connect Kerdos X402 MCP?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls kerdos-x402-mcp straight from npm; nothing to host, nothing to sign up for.

How many people use Kerdos X402 MCP?

The npm package kerdos-x402-mcp was installed 22 times in the last week. Week over week that is +28%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Kerdos 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.