Top 10 GitHub Repositories for AI Agent

This roundup explores the most starred GitHub repositories focused on AI agents, ranking them by star count and providing direct links to each project. The list offers a quick reference for developers and researchers looking to explore proven codebases and stay informed about leading community contributions.

1. affaan-m/ECC

Stars: 259,521

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

2. NousResearch/hermes-agent

Stars: 245,959

The agent that grows with you

3. deepseek-ai/deepseek-harness

Stars: 225,820

DeepSeek Harness: Everything is a Plugin.

4. firecrawl/firecrawl

Stars: 181,009

The context API to search, scrape, and interact with the web at scale. šŸ”„

5. langchain-ai/langchain

Stars: 146,424

The agent engineering platform.

6. DietrichGebert/ponytail

Stars: 139,660

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

7. Graphify-Labs/graphify

Stars: 118,125

Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained,ā€¦

8. browser-use/browser-use

Stars: 114,759

Agents that use the browser.

9. google-gemini/gemini-cli

Stars: 107,010

An open-source AI agent that brings the power of Gemini directly into your terminal.

10. thedotmack/claude-mem

Stars: 94,002

Persistent Context Across Sessions for Every Agent ā€“ Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Cā€¦

Direct links