Early development — pre-beta

Get started with Dyson Harness

Dyson Harness is in early development and has not reached beta. Things will change, and rough edges are expected — but if you like living near the frontier, welcome aboard.

Download a release

For most people, the easiest way to get Dyson Harness is to download a packaged release. Dyson Harness is free and open source under the AGPL-3.0 license, © 2026 EntitySystems.

Download for Windows

Pick the version that matches your PC.

Not sure which one? Most PCs need Standard. To check, open Settings › System › About and look at System type: x64-based processor means Standard (x86_64).

Download for macOS

Pick the version that matches your Mac.

Not sure which one? Open the Apple menu › About This Mac. If it shows a chip such as Apple M1 or later, choose Apple silicon. If it shows an Intel processor, choose Intel.

For developers

Run it from source instead

Requires the .NET 10 SDK

For developers who want to run Dyson Harness from source:

  1. Clone the repository from GitHub.
  2. Run the app:
    dotnet run --project src/Harness/Harness.UI --urls http://localhost:5180
  3. Open http://localhost:5180 in your browser.
  4. Configure your providers under Settings → Models, and you're ready to put a team of agents to work.

Setup details, provider configuration and troubleshooting live in the documentation.