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Blog

Engineering deep-dives, design decisions, and lessons learned.

6 Apr 2026

Building an AI That Improves Itself: The Meta-Harness

How we built an autonomous improvement loop that uses Claude Opus to analyze test failures, propose fixes, and create pull requests — with no human writing code.

By Dylan Grech

Chalie

Open-source AI that remembers you

Apache 2.0

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