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Swarm X402 MCP Server

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local only

Swarm X402 MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 518 installs a week from npm. Last commit 7 Oct 2026.

Pay-per-call x402 services from SWARM: repo scans, web research. USDC on Base.

Installs per day peak 188 · avg 16
a month agotoday
518
Installs / week
npm · swarm-x402-mcp
0
Stars
0 open issues
7 Oct 2026
Last commit
3 releases in 90 days
MIT
License
JavaScript

Nothing serious here today

Today is the operative word: we check Swarm 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 swarm-x402-mcp -- npx -y swarm-x402-mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "swarm-x402-mcp": {
      "args": [
        "-y",
        "swarm-x402-mcp"
      ],
      "command": "npx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.swarm-x402-mcp]
command = "npx"
args = ["-y", "swarm-x402-mcp"]
.cursor/mcp.json
{
  "mcpServers": {
    "swarm-x402-mcp": {
      "args": [
        "-y",
        "swarm-x402-mcp"
      ],
      "command": "npx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "swarm-x402-mcp": {
      "args": [
        "-y",
        "swarm-x402-mcp"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: SWARM_WALLET_KEY (Private key of a dedicated wallet with a little USDC on Base. Without it, tools only quote.), SWARM_MAX_USD (Refuse any call priced above this many dollars (default 1).). The author declared them in the registry entry; get the values from the project itself.

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Swarm X402 MCP — questions

Answers built from our own checks of this server.

Why is there no uptime for Swarm X402 MCP?
Swarm 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 swarm-x402-mcp was installed 518 times last week.
How do I connect Swarm 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 swarm-x402-mcp straight from npm; nothing to host, nothing to sign up for.
How many people use Swarm X402 MCP?
The npm package swarm-x402-mcp was installed 518 times in the last week. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Swarm 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.