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neosigmaai/auto-harness

Bring your own agent and build a self-improving agentic system. Automatically mine failures, optimize the agent harness, and gate against regressions.

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What it does

Auto-harness is a tool that takes an AI agent you've built and automatically makes it better overnight — it runs the agent through tests, finds where it fails, rewrites its instructions and capabilities to fix those failures, and then verifies the improvements didn't break anything else. In a real demonstration, this process boosted an agent's performance score by roughly 40% without any human involvement.

Why it matters

Teams building AI-powered products currently spend enormous engineering effort manually tuning and improving their agents, which is slow and expensive — this tool turns that into an automated, self-running loop that compounds improvements over time. For founders and investors, it signals a shift where the cost of maintaining and improving AI systems drops dramatically, making it feasible to deploy agents in complex, real-world scenarios that were previously too unreliable to productize.

20Active

On the radar — signal detected

Stars
517
Forks
59
Contributors
1
Language
Python

Score updated May 12, 2026

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