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GooseDeepSeek Harness
Free

The open-source software is available without a license fee. Hosting, hardware and…

 Free

Offered free as a public preview; model usage terms are not stated on the page.

Windows, macOS, Linux Windows, macOS
  • Connects model providers with tools through MCP extensions.
  • Plugin architecture lets you add tools, skills and interface parts
  • Agent can write and install its own plugins on request
  • A configured model provider is required and may charge for use.
  • Preview release with several features marked experimental
  • macOS build listed for Apple silicon only
Downloadable app Downloadable app
Open source Open source
License: Apache-2.0 License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.