@powforge/captcha-mcp

Replace MCP 429 errors with PoW challenges or Lightning micropayments. Drop-in rate control for MCP servers — no accounts, free fallback, self-hosted. Three tools: challenge, verify, status. Stdio + HTTP transports, stdlib only.

Installation

MCP client config (paste into mcp.json)

{
  "mcpServers": {
    "npm-powforge-captcha-mcp": {
      "command": "npx",
      "args": [
        "@powforge/captcha-mcp"
      ]
    }
  }
}

Agent install prompt

Copy and paste into Cursor / Claude / other agents to install this MCP for you

Please read this MCP repository and install it into my current environment:
https://www.npmjs.com/package/@powforge/captcha-mcp

Known working client config (can write into mcp.json):
{
  "mcpServers": {
    "npm-powforge-captcha-mcp": {
      "command": "npx",
      "args": [
        "@powforge/captcha-mcp"
      ]
    }
  }
}

Please: 1) check README for deps and env vars; 2) write config for my client; 3) if secrets are missing, tell me what to fill — do not invent values.

GitHub

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