Best API Key AI Skills & MCP Servers
7 curated API Key skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Vibecipher
VibeSecurity — Auditoria de segurança para quem cria com IA. Secrets, vulnerabilidades e rotas sem auth.
Freebird
🦅 Free web search MCP server - soar through the web without API keys. Just add 'use freebird' to any prompt.
Secure Vault
MCP server for agent-native secrets management — store, rotate, and inject secrets without agents seeing raw values
Stdio
stdio-to-HTTP MCP proxy for Grackle — bridges stdio-only MCP clients (Claude Desktop, Codex CLI, Clawpilot) to a Grackle HTTP MCP server using static API-key auth
Paygate
Pay-per-tool-call gating proxy for MCP servers. Wrap any MCP server with API key auth, per-tool pricing, rate limiting, and usage metering.
Chaos Index
chaos-index MCP — wraps StupidAPIs (requires X-API-Key)
Search Rotator
Transparent API key rotation proxy for MCP search providers — Exa, Firecrawl, Tavily, Linkup, Bright Data, Olostep, Dappier, Parallel
About API Key skills on iClaude
iClaude is the universal install layer for AI skills. Every API Key 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.