Harness Kit
More than a skill manager โ manage skills, MCP servers, plugins, hooks, CLIs, configs, memory & rules across every AI coding agent. ๐ Star if you like it!
More than a skill manager โ manage skills, MCP servers, plugins, hooks, CLIs, configs, memory & rules across every AI coding agent. ๐ Star if you like it!
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HarnessKit English ยท ็ฎไฝไธญๆ One home for every agent. A free, open-source app to manage all your AI coding agents โ desktop, CLI, or web. Why • Features • Get Started • Roadmap ## Why HarnessKit? Every agent, a different world. Extensions, configs, memory, and rules โ scattered across different directories, in different formats, with different conventions. **HarnessKit brings them all under one roof** โ see, secure, and manage everything across every agent, from one place. --- ## Key Features ### ๐งฉ Full Suite Extension Management HarnessKit manages **all five extension types** from a unified interface โ **Skills**, **MCP Servers**, **Plugins**, **Hooks**, and **Agent-first CLIs**. | Agent | Skills | MCP | Plugins | Hooks | Agent-first CLIs | |:---|:---:|:---:|:---:|:---:|:---:| | **Claude Code** | โ | โ | โ | โ | โ | | **Codex** | โ | โ | โ | โ | โ | | **Gemini CLI** | โ | โ | โ | โ | โ | | **Cursor** | โ | โ | โ | โ | โ | | **Antigravity** | โ | โ | โ | โ | โ | | **Copilot** | โ | โ | โ | โ | โ | | **Windsurf** | โ | โ | โ | โ | โ | | **OpenCode** | โ | โ | โ | โ | โ | * "โ" indicates the agent currently does not support this extension type. - **Smart organization** โ Filter by *type*, *agent*, or *source*, and search by name. Extensions from the same repo are automatically grouped into *packs* for batch management. - **Full visibility** โ Every extension shows its *agents*, *permissions*, *trust score*, and *status* at a glance. Open the detail panel for per-agent *file paths*, *directory structure*, and *audit findings*. - **Effortless management** โ Enable or disable right from the list. Check for updates across all extensions with one click. - **Cross-agent deployment** โ See which agents have the extension and which don't โ deploy to any missing agent with one click. HarnessKit handles the format differences between agents (JSON, TOML, hook conventions, MCP schemas) automatically. --- ### ๐ค Agent Configs, Memory & Rules HarnessKit manages every agent's **Configs**, **Memory**, **Rules**, **Subagents**, and **Ignore** files from one place. Currently supporting **8 agents**: **Claude Code**, **Codex**, **Gemini CLI**, **Cursor**, **Antigravity**, **Copilot**, **Windsurf**, and **OpenCode**. - **Config file tracking** โ Automatically discovers every agent's config files โ both global and per-project. Add your project directories or custom paths and HarnessKit picks them up alongside the global ones. - **Per-agent dashboard** โ Each agent gets its own page with all files organized by category, showing scope, path, file size, and a summary of installed extensions. Expand any file to preview its content right in the app. - **Custom paths** โ Add any file or folder to an agent's dashboard for tracking. Useful for custom configs or scripts that HarnessKit doesn't auto-discover โ they show up alongside everything else with the same live preview. - **Real-time detection** โ The moment a config file is modified, the dashboard reflects it. --- ### ๐ก๏ธ Security Audit & Permission Transparency Every extension is scanned by a built-in security engine with 18 static analysis rules and receives a **Trust Score** (0โ100), grouped into three tiers โ **Safe** (80+), **Low Risk** (60โ79), and **Needs Review** (below 60). A dedicated Audit page lets you search, filter by tier, and...
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