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Coding Agent GitHub Repositories (2026) · Open Source Tools

Discover the best Coding Agent open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.

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137 matching projects · updated Nov 12, 2026 How we rank ↗
HarnessRouter
#3 TRENDING HarnessRouter/harnessrouter Python NEW 2026

HarnessRouter Community Edition: the self-hosted, Apache-2.0 edition of the unified interface for agent harnesses. Run Codex, Claude Code, Hermes, PI, DSH, and more through one API, with sessions, streaming, files, cancellation, and failure handling. Implements the Unified Harness Protocol (UHP), an open standard. Your keys, your infrastructure.

474 ↑ +177 today
INSANE0777
#4 TRENDING INSANE0777/Awwwards-mcp TypeScript NEW 2026

Free, open-source MCP server that gives AI coding agents (Claude Code, Codex, Cursor, OpenCode, ZCode…) design inspiration from award-winning websites — search with real screenshots, pull design DNA, capture and record live sites. A Mobbin alternative. No API key.

29 ↑ +169 today
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kenryu42
#8 TRENDING kenryu42/cc-safety-net TypeScript NEW 2025

A pre-execution guard for AI coding agents. It blocks destructive Git and file system commands, plus common attempts to access sensitive files, before a tool call runs. Supports Amp Code, Antigravity CLI, Claude Code, Codex, Cursor, DeepSeek Harness, Devin CLI, GitHub Copilot CLI, Grok Build, Hermes Agent, Kimi Code, OpenClaw, OpenCode, and Pi.

88 ↑ +114 today
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