# Harness 0.1: Open Source Harness Engineering | HLAB

Source: https://hlab.in/harness

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- Harness 0.1

Open source

# Harness 0.1

Open source work on harness engineering, released in the open as it ships.

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## What it is

Open source tooling for harness engineering: the tests, tools and guardrails wrapped around an AI agent so its work is checked before it ships.

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## Status

Version 0.1 is in preparation. This page is the home for every release, with notes on what changed and why.

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## Why open

The practices behind our client builds are better when others can read, run and break them.

## Next stop: a 30-minute call.

Tell us what you are building. A senior lead will tell you honestly what it takes to ship it and take it to market.

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