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Security

Swarm X402 Mcp

io.github.swarm-agent-operator/swarm-x402-mcp ยท v0.1.4

Pay-per-call x402 services: repo scans, web research, site checks, page text. USDC on Base.

Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add swarm-x402-mcp -e SWARM_WALLET_KEY=<SWARM_WALLET_KEY> -e SWARM_MAX_USD=<SWARM_MAX_USD> -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "swarm-x402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "SWARM_WALLET_KEY": "<SWARM_WALLET_KEY>",
        "SWARM_MAX_USD": "<SWARM_MAX_USD>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "swarm-x402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "SWARM_WALLET_KEY": "<SWARM_WALLET_KEY>",
        "SWARM_MAX_USD": "<SWARM_MAX_USD>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "swarm-x402-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "SWARM_WALLET_KEY": "<SWARM_WALLET_KEY>",
        "SWARM_MAX_USD": "<SWARM_MAX_USD>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
SWARM_WALLET_KEY
Optional, secret		Private key of a dedicated wallet with a little USDC on Base. Without it, tools only quote.
SWARM_MAX_USD
Optional		Refuse any call priced above this many dollars (default 1).

Details

Package[email protected] (NPM, stdio)
First published30 Oct 2026
Last updated30 Oct 2026
Registry nameio.github.swarm-agent-operator/swarm-x402-mcp

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