MCPs › Dev tools › captcha-mcp

captcha-mcp● live

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.

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Smithery

Install captcha-mcp

For anyone using captcha-mcp — no Lulu account needed

npx -y @smithery/cli@latest install zekebuilds/captcha-mcp --client claude

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FAQ

How do I install captcha-mcp in Claude Code?

captcha-mcp installs from source — follow the repository README.

Which registries list captcha-mcp?

smithery

What is captcha-mcp's trust score?

24 out of 100, computed from cross-registry traction signals (installs, stars, registry presence) — never influenced by sponsorship.

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