Harness ManagerYour AI stack. Under control.
Harness Manager is a free, open-source Mac workspace for AI tools, MCPs, skills, updates, and model rankings. These seven slides show the actual SwiftUI app. Workspace data is illustrative; model rankings are real Modelgrep results at capture time.
Your AI stack. Under control.
Manage your tools. Compare models. Keep building. Native to Mac, free and open source.
Build a better AI stack.
Discover harnesses, MCPs, and skills. Find the next addition to your workflow, all in one catalog.
Less upkeep. More time.
Know what needs an update. Review the command. Get back to your work.
Your setup. In plain sight.
Providers, MCP servers, and skills. A clearer view of the pieces behind your tools.
Know what’s running.
See active harnesses, resource usage, and the projects they belong to.
A little ahead of the curve.
News, new tools, and thoughtful reads. With real sources, beyond the changelog.
Right model. Right task.
31 ranking collections. Coding, design, agents, reasoning, and more. Compare the models for your next project.
Native screenshots
Full resolution captures, exactly as rendered by the app.
