A free directory of 593 open-source AI agent tools ranked by recent GitHub activity, with alternatives and comparisons.
AgentoolRank is a free directory of 593 open-source AI agent tools: agent frameworks, coding agents, MCP servers, RAG and memory tools, evaluation and observability tools, browser agents and voice agents. Tools are ranked by recent GitHub activity instead of total stars: 30-day star growth, commits in the last 90 days, releases in the last 6 months and issue response time, refreshed daily. Each tool has a stats page, an alternatives page and side-by-side comparisons, so developers can see which tools are actually maintained before building on them. The data is also available to Claude, Cursor and other MCP clients through a public MCP server and JSON API. Free to browse, no signup.
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