captcha-mcp
FreeMaintainedPoW CAPTCHA verification for MCP clients. Exposes generate_challenge and verify_solution tools — stateless proof-of-work that agents can embed in auth flows. L4
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PoW CAPTCHA verification for MCP clients. Exposes generate_challenge and verify_solution tools — stateless proof-of-work that agents can embed in auth flows. L402 Lightning skip tier available for trusted clients. No API key required for PoW path.
Install captcha-mcp in Claude Desktop, Claude Code & Cursor
unyly install captcha-mcpInstalls into Claude Desktop, Claude Code, Cursor & VS Code — handles npx, uvx and build-from-source repos for you.
First time? Get the CLI: curl -fsSL https://unyly.org/install | sh
Or configure manually
Run in your terminal:
claude mcp add captcha-mcp -- npx -y @smithery/cli run zekebuilds/captcha-mcpFAQ
Is captcha-mcp MCP free?
Yes, captcha-mcp MCP is free — one-click install via Unyly at no cost.
Does captcha-mcp need an API key?
No, captcha-mcp runs without API keys or environment variables.
Is captcha-mcp hosted or self-hosted?
A hosted option is available: Unyly runs the server in the cloud, no local setup required.
How do I install captcha-mcp in Claude Desktop, Claude Code or Cursor?
Open captcha-mcp on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.
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