AgentAtlas

AgentAtlas is a free reference for developers who use AI coding agents. Every guide links to the vendor docs it was checked against. It covers setup for Claude Code, Codex, Cursor, Gemini CLI, Copilot and 15 more agents (permissions, hooks, subagents, skills, MCP config); 120+ official MCP servers with install commands and side-by-side comparisons (scraping, search, browser automation, databases) with free tiers and prices; free tools such as a rules converter and an MCP setup kit; and a twice-daily list of the fastest-rising agent repos on GitHub. No sign-up needed.