iClaude
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 claude
bash
npx -y @smithery/cli@latest install zekebuilds/captcha-mcp --client claude
claude
npx -y @smithery/cli@latest install zekebuilds/captcha-mcp --client claude
cursor
npx -y @smithery/cli@latest install zekebuilds/captcha-mcp --client cursor
chatgpt
npx -y @smithery/cli@latest install zekebuilds/captcha-mcp --client claude
Publisher
License
Format
npx
Price
Free

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