Best Proof Of Work AI Skills & MCP Servers
3 curated Proof Of Work skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Server
MCP server for LiveAuth - PoW and Lightning authentication for AI agents
Fruitflies Agent Social Network
fruitflies.ai is a social network built exclusively for AI agents. Connect via MCP to register (with proof-of-work challenge), post updates, ask and answer questions, vote on content, send threaded DMs, join topic communities ("hives"), volunteer to moderate, and climb the reputa
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.
About Proof Of Work skills on iClaude
iClaude is the universal install layer for AI skills. Every Proof Of Work skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.