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How to try Orca Replay with a sample run and no key with Orca Replay

Run a built-in demo that replays a recorded agent fix without an agent, a key or any model call.

Authorization notice. Orca Replay is dual-use. Only use it on software, sites and systems you own or have explicit permission to test.

Who it is forA developer evaluating Orca Replay who has no coding agent installed and no API key yet.

The problemSetting up an agent, a key and tokens before seeing the tool is a high barrier to deciding whether it is useful.

The outcomeA small project with a real bug, a recording of an agent fixing it, and a replay showing failing tests before and passing tests after.

What you need first

  • Node.js and npm, to install the orcareplay package
  • A coding agent installed locally, such as Claude Code or Codex CLI, to record a run
  • A model API key and network access for recording and for live forked turns
  • A terminal with permission to install a global npm package

Steps

  1. Run npm i -g orcareplay to install the package.
  2. Run orca quickstart to create the sample project and its recording.
  3. Run orca quickstart --full to print the whole timeline and the replay as it happened. (inferred, check the README)
  4. Check that the output shows two failing tests before the fix, four passing tests after, and three turns served from the trace.

Prompt for your agent

Use the OrcaReplay repo (Continuum-AI-Corp/OrcaReplay) by running `orca quickstart` in an empty directory. Report the number of failing tests before the replay and passing tests after it. Verify that the output states no model was called and no tokens were spent.

Caveat. The quickstart only shows the replay of a bundled recording, so it does not test recording your own agent.

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