Best Captcha AI Skills & MCP Servers
6 curated Captcha skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Browser
Browser MCP — control your real Chrome from Claude Code. 33 tools, CAPTCHA solving, date pickers, autocomplete combobox, overlay dismissal, file upload, multi-session, human-in-the-loop.
Captcha
Stop your MCP server returning 429 to agents. PoW puzzle (free, ~5s CPU) or Lightning invoice — machine-readable backoff an agent can satisfy without an account. Three tools: challenge, verify, status. Stdio + HTTP transports, stdlib only.
Jshook
MCP server with built-in tools across multiple domains for AI-assisted JavaScript analysis and security analysis — browser automation, CDP debugging, network monitoring, JS hooks, code analysis, and workflow orchestration
Mcp
ProxyHuman MCP server — ask a human for help with a browser-based task (sign-in, captcha, OTP, payment, subjective choices). Includes the proxyhuman CLI for signup + config.
Mcp
FDKEY verification middleware for MCP servers — gate AI-agent access behind LLM-only puzzles. Runs on Node 18+, Cloudflare Workers, Bun, and Deno.
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 Captcha skills on iClaude
iClaude is the universal install layer for AI skills. Every Captcha 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.