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.

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Developer setup

For developers who want to run Dyson Harness from source:

Requirement: the .NET 10 SDK.

Clone and run

  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.