Best Oauth AI Skills & MCP Servers
53 curated Oauth skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Server
MCP server library + ratel-mcp CLI: expose a Ratel tool catalog as a Model Context Protocol server. Manage upstream MCP servers, OAuth, and Claude Code import from one binary.
Mcp
Model Context Protocol server for namemy.app — let AI agents check live domain availability and hand users a one-click buy URL. Stdio mirror; remote endpoints at https://mcp.namemy.app/mcp (OAuth) and https://mcp.namemy.app/direct (bearer). Public mode wo
Slack
Slack MCP without OAuth. 21 tools (16 read/write Slack + 2 workflow profile primitives + 3 hosted-brain upgrade stubs). Free OSS or hosted (free tier no card; $9/mo Pro = unlimited; morning DM rolling out Q2 2026).
Gmail Workspace
MCP server for Gmail integration with OAuth2 and service account support
StratProof
StratProof runs honest backtests: real fees, real slippage, walk-forward validation. Six public tools, no OAuth. Call prove_strategy to test any strategy description ("Buy ETH when RSI(7) below 25, exit on 1.5% gain") and get a CONFIRMED / MIXED / DEBUNKED verdict with diagnosis.
About Oauth skills on iClaude
iClaude is the universal install layer for AI skills. Every Oauth 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.