$ find your agent harness

A curated, verified, cross-vendor directory of AI agent harnesses — the runtime scaffolding that turns a model into an agent.

◆ 74 harnesses profiled · 9-axis capability schema · last verified 2026-07-08

1 of 74 harnesses · sorted by stars

SWE-agent · SWE-agent team (Princeton/Stanford)

★ 19,727 · high

The NeurIPS-2024 research harness from the SWE-bench team that pioneered the agent-computer-interface concept: takes a GitHub issue and autonomously fixes it in a containerized environment with any LM, and remains the reference batch-evaluation harness for academic agent research.

OSS coding harnessesopen-sourcebyok✓ local models⛨ container