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Supported Harnesses

Factory connects to multiple coding-agent CLIs without hard-wiring its workflow to one provider. Availability varies by execution path: the classic ticket runner supports all listed harnesses, while the event runtime exposes its installed adapter registry with factory events adapters.

  • Claude Code (--harness claude) — Anthropic’s agentic coding CLI.
  • Gemini / Antigravity (--harness gemini or --harness agy) — Gemini-compatible agent CLIs.
  • OpenAI Codex (--harness codex) — OpenAI coding harness.
  • Cursor (--harness cursor) — Cursor CLI and agent environment.
  • Pi (--harness pi) — A lightweight, extensible coding-agent CLI.
  • Fake adapter (--harness fake) — Deterministic simulator for tests and the offline demo.
Terminal window
factory events adapters

This command lists the event runtime’s built-in and extension-provided adapters, their source, and whether they support the Gondolin sandbox.