# ThinHarness

> Build focused AI agents without framework sprawl

- **Website**: https://ryanbbrown.com/thinharness/
- **Uneed Page**: https://www.uneed.best/tool/thinharness
- **Pricing**: Free
- **Category**: Development
- **Tags**: AI, Open Source, Development
- **Submitted by**: @ryanbbrown
- **Launch Date**: 2026-06-29
- **Social Links**: [GitHub](https://github.com/ryanbbrown/thinharness)

## About

ThinHarness is a minimal, opinionated Python harness for purpose-built agents.

It gives you the agent-loop primitives that are tedious to rebuild — scoped filesystem tools, structured output, retries, approvals, subagents, MCP, streaming, and tracing — in under 8k LOC, and leaves orchestration, auth, storage, and deployment to your app.

Pre-1.0, open source (MIT), Python.