#42 · Primary category: AI Coding Assistants
agents
Multi-harness agentic plugin marketplace for Claude Code, Codex, Cursor, OpenCode, GitHub Copilot, and Google Antigravity
Project last updated:08/26/26
GitHub Stars
39.2K
Forks
4.2K
Contributors
82
License
MIT
Why we included this project
Keeping more than one AI coding assistant configured usually means maintaining separate rule sets, plugin configs, and prompt files for each editor or CLI. This project targets that duplication by keeping a single Markdown source of plugins, agents, skills, and commands, then generating harness-native artifacts for Claude Code, Codex CLI, Cursor, OpenCode, Gemini CLI, and Copilot. The catalog is large and granular, with hundreds of single-purpose building blocks covering architecture, security, data, ML, and docs, so it works better as a reference for standardizing agentic workflows than as a runtime you run directly. If you already use one of these assistants and want a faster way to find and share capabilities with your team, the plugin and agent lists are a good place to start.
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