Gate402 MCP Server

by pgalyen1987io.github.pgalyen1987/gate402-mcpv0.8.1

MCP server for Gate402: pay-per-call agent APIs over x402. Open-model LLM inference, crypto/finance data, SEC filings and web tools. Free tier, no signup.

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Active20d ago

Install Gate402 MCP server

claude mcp add gate402 -e GATE402_API_KEY='<gate402-api-key>' -- npx -y gate402-mcp

{
  "mcpServers": {
    "gate402": {
      "command": "npx",
      "args": [
        "-y",
        "gate402-mcp"
      ],
      "env": {
        "GATE402_API_KEY": "<gate402-api-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "gate402": {
      "command": "npx",
      "args": [
        "-y",
        "gate402-mcp"
      ],
      "env": {
        "GATE402_API_KEY": "<gate402-api-key>"
      }
    }
  }
}

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

{
  "servers": {
    "gate402": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "gate402-mcp"
      ],
      "env": {
        "GATE402_API_KEY": "<gate402-api-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "gate402": {
      "command": "npx",
      "args": [
        "-y",
        "gate402-mcp"
      ],
      "env": {
        "GATE402_API_KEY": "<gate402-api-key>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
GATE402_API_KEY	—	yes	Optional. A funded Gate402 account key to skip the free tier.
GATE402_BASE_URL	—	—	Optional. Override the gateway base URL (default https://gate402.app).

Freshness

Active — last maintenance signal 20d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-19 · 21d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-19 · 20d ago · official registry · v0.8.1

FAQ

›How do I install the Gate402 MCP server in Claude Code?

Run: claude mcp add gate402 -e GATE402_API_KEY='<gate402-api-key>' -- npx -y gate402-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Gate402 require an API key?

Yes. It expects GATE402_API_KEY, of which 1 is a secret.

›Can I use Gate402 as a remote (hosted) MCP server?

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

›Is Gate402 in the official MCP registry?

Yes, as io.github.pgalyen1987/gate402-mcp.