captcha-mcp
Rank #57947smithery/zekebuilds/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.
captcha-mcp is a Model Context Protocol (MCP) server. It ranks #57947 of 58,900 servers tracked on MCP Toplist. captcha-mcp is listed on Smithery, and ships as a single rolling release with no explicit version metadata. It was first listed on May 10, 2026.
Ranks ahead of 953 of 58,900 servers on MCP Toplist.
Use captcha-mcp
captcha-mcp doesn’t publish a machine-readable install config. Open one of its registry listings above to find install instructions.
Listed on 1 registry
Not versioned
This server is published through a registry that does not expose explicit version metadata, and no GitHub release tags were found on the linked repository. The listing tracks a single rolling release.
Frequently asked questions
- What is 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.
- Is captcha-mcp an official MCP server?
- captcha-mcp is not on the Official MCP Registry. It is listed on Smithery.
- How many versions does captcha-mcp have?
- captcha-mcp ships as a single rolling release with no explicit version metadata.