X402station MCP Server

by sf1nxio.github.sF1nX/x402stationv1.0.11

Preflight checks for x402 payments: detect decoys, zombie endpoints, dead services and price traps before an agent pays, plus forensics and alternatives.

2Node.jsstdioofficial registry

context tax

queued

security

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cold start

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freshness

Slowing4mo ago

Install X402station MCP server

claude mcp add x402station -e AGENT_PRIVATE_KEY='<agent-private-key>' -- npx -y x402station-mcp

{
  "mcpServers": {
    "x402station": {
      "command": "npx",
      "args": [
        "-y",
        "x402station-mcp"
      ],
      "env": {
        "AGENT_PRIVATE_KEY": "<agent-private-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "x402station": {
      "command": "npx",
      "args": [
        "-y",
        "x402station-mcp"
      ],
      "env": {
        "AGENT_PRIVATE_KEY": "<agent-private-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "x402station": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "x402station-mcp"
      ],
      "env": {
        "AGENT_PRIVATE_KEY": "<agent-private-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "x402station": {
      "command": "npx",
      "args": [
        "-y",
        "x402station-mcp"
      ],
      "env": {
        "AGENT_PRIVATE_KEY": "<agent-private-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
AGENT_PRIVATE_KEY	yes	yes	0x-prefixed 64-hex-char private key. Account must hold Base mainnet USDC. Required for any paid tool call.
X402STATION_BASE_URL	—	—	Optional override. Only https://x402station.io or http(s)://localhost are accepted to prevent payload hijacking; any other value makes the adapter refuse to start.

Freshness

Slowing — last maintenance signal 4mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-06-02 · 4mo ago · GitHub
Latest release
2026-05-08 · 5mo ago · GitHub · v1.0.10
Package published
no data · npm/PyPI
Registry entry updated
2026-06-02 · 4mo ago · official registry · v1.0.11

FAQ

›How do I install the X402station MCP server in Claude Code?

Run: claude mcp add x402station -e AGENT_PRIVATE_KEY='<agent-private-key>' -- npx -y x402station-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does X402station require an API key?

Yes. It expects AGENT_PRIVATE_KEY, of which 1 is a secret.

›Can I use X402station as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is X402station in the official MCP registry?

Yes, as io.github.sF1nX/x402station.