open source coding harness

A modular framework for orchestrating large language models to automate repository-wide code generation and testing.

The open source coding harness (often implemented via tools like Aider or OpenDevin) integrates directly into the developer's CLI to manage the full software development lifecycle. It uses autonomous agents to parse ASTs (Abstract Syntax Trees), execute shell commands, and run unit tests (like Pytest or Jest) to verify its own output. By bridging the gap between raw LLM inference and local file systems, this technology enables 24/7 autonomous debugging and feature implementation across complex, multi-file codebases.

https://github.com/features/copilot