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![Wordmark Logo of HumanLayer](./docs/images/wordmark-light.svg)

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## The best way to get Coding Agents to solve hard problems in complex codebases

**CodeLayer is an open source IDE that lets you orchestrate AI coding agents.**

It comes with battle-tested workflows that enable AI to solve hard problems in large, complex codebases.

Built on Claude Code. Open source. Scale from your laptop to your entire team.

[![GitHub Repo stars](https://img.shields.io/github/stars/humanlayer/humanlayer)](https://github.com/humanlayer/humanlayer)
[![License: Apache-2](https://img.shields.io/badge/License-Apache-green.svg)](https://opensource.org/licenses/Apache-2)

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[Join Waitlist](https://humanlayer.dev/code) | [Discord](https://humanlayer.dev/discord)

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<img referrerpolicy="no-referrer-when-downgrade" src="https://static.scarf.sh/a.png?x-pxid=fcfc0926-d841-47fb-b8a6-6aba3a6c3228" />

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> "Our entire company is using CodeLayer now. We're shipping one banger PR after the other. It is so f-ing good. Unbelievable dude."
>
> **– René Brandel, Founder @ Casco (YC X25)**

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- **Superhuman for Claude Code** - Keyboard-first workflows designed for builders who value speed and control.

- **Advanced Context Engineering** - Scale AI-first dev to your entire team, without devolving into a chaotic slop-fest.

- **M U L T I C L A U D E** - Run Claude Code sessions in parallel. Worktrees? Done. Remote cloud workers? You got it.

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> "This has improved my productivity (and token consumption) by at least 50%. Taking a superhuman style approach just makes soo much sense. Also, its so freaking cool to look back at all the work you've done in a day."
>
> **– Tyler Brown, Founder @ Revlo.ai**

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## From the team that brought you "Context Engineering"

Leading experts on getting the most out of today's models.

#### [Advanced Context Engineering for Coding Agents](https://github.com/humanlayer/humanlayer)
This talk, given at YC on August 20th, 2025 lays out the groundwork for using AI to solve hard problems in complex codebases.
- [GitHub](https://github.com/humanlayer/humanlayer)
- [YouTube](https://humanlayer.dev/youtube)

#### [12 Factor Agents](https://github.com/humanlayer/humanlayer)
A set of principles for building reliable and scalable LLM applications, inspired by the original 12-Factor App methodology.
- [GitHub](https://github.com/humanlayer/humanlayer)
- [YouTube](https://humanlayer.dev/youtube)

The original repo that coined the term "context engineering" back in April 2025.

#### [🦄 AI That Works](https://humanlayer.dev/podcast)
A weekly conversation about how we can all get the most juice out of todays models with @hellovai & @dexhorthy
- [GitHub](https://github.com/humanlayer/humanlayer)
- [Podcast](https://humanlayer.dev/podcast)

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## For Teams

**Invest in outcomes, not tools.**

Want to scale AI-first development to your entire org? Get tailored workflows, custom integrations, and cutting-edge advice.

HumanLayer's expert engineers will ship in the trenches with you and your team until everyone is a 100x engineer.

📧 Shoot us an email at **contact@humanlayer.dev**, mention your team size and current AI development stack.

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## Quick Start

```bash
# Coming soon - join the waitlist for early access
npx humanlayer join-waitlist --email ...
```

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## Legacy Documentation

Looking for the HumanLayer SDK documentation? See [humanlayer.md](./humanlayer.md)

## Contributing

CodeLayer and the HumanLayer SDK are open-source and we welcome contributions in the form of issues, documentation, pull requests, and more. See [CONTRIBUTING.md](./CONTRIBUTING.md) for more details.

## License

The HumanLayer SDK and CodeLayer sources in this repo are licensed under the Apache 2 License.

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[![Star History Chart](https://api.star-history.com/svg?repos=humanlayer/humanlayer&type=Date)](https://star-history.com/#humanlayer/humanlayer&Date)

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