Smithery
captcha-mcp
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
n8n
# expose via webhook bridge: npx -y @smithery/cli@latest install zekebuilds/captcha-mcp --client claudebash
npx -y @smithery/cli@latest install zekebuilds/captcha-mcp --client claudeclaude
npx -y @smithery/cli@latest install zekebuilds/captcha-mcp --client claudecursor
npx -y @smithery/cli@latest install zekebuilds/captcha-mcp --client cursorchatgpt
npx -y @smithery/cli@latest install zekebuilds/captcha-mcp --client claudePublisher
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License
—
Format
npx
Price
Free
Stacks
Tags
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