Recommends improvements to your coding agents' harness from your codebase, then rolls them out team-wide.
Tetriz Harness on GitHub
1 / 2Overview
What is Tetriz Harness?
Turn what your team learns into everyone's agent setup
Tetriz Harness turns what your team learns into everyone's agent setup. Harness Recommendations scans your committed harness files — the rules, skills, agents, commands, hooks and MCP config steering tools like Claude Code, Codex, Cursor and Kiro — and proposes improvements grounded in your codebase, session analyses and security signals.
You review each recommendation, then the control plane rolls out the ones you approve to the developers, teams or test groups you choose, with per-person installation status. Test/control rollouts let you measure a change before going org-wide.
Free and open source (MIT), self-hosted, pairing with tetriz-ai/agent-desk for usage signals.
Platforms and languages
Tetriz Harness Availability
Platforms
Languages
Capabilities
Tetriz Harness Key Features
Harness Recommendations
Scans committed harness files against the repo and uses session analyses, code-review themes and security signals to propose new rules, agents and hooks.
Finds real problems
The DETECTED scan reports conflicts, references to missing files, patterns matching no files and over-broad permissions — with evidence.
Control plane rollout
Distribute approved artifacts to named people, teams or the whole org, and see per-person installation status.
Test/control rollouts
Deliver a change to a test group while leaving a control group untargeted, then compare outcomes.
Pairs with Agent Desk
Consumes harness inventory and local session signals from tetriz-ai/agent-desk for usage-informed checks.
Open source
MIT licensed on GitHub; Go server library, reference host with admin UI, and harness-agent CLI.
Best for
Who uses Tetriz Harness?
Engineering teams
Keep every developer's AI coding agent configured with the team's best practices
Plans and access
Tetriz Harness Pricing
Free
Common questions
Tetriz Harness FAQs
What is a harness?
The set of rules, skills, agents, commands, hooks and MCP config that steers a coding agent such as Claude Code, Codex, Cursor or Kiro.
Is it free?
Yes — MIT licensed and self-hosted. Some derived-recommendation paths need your own model key.
How do changes reach developers?
You review recommendations, then the control plane distributes selected artifacts to the people or teams you target and reports installation status.
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