Moondiff

1. Open a supported pull request or commit on `github.com`. 2. Click **Open in Moondiff** in the lower-right corner of the page. 3. Wait for the Moondiff playground to load the changed files. Reading public diffs and their existing comments does not require a GitHub account connection. Sign-in is required to post comments and to access private repositories. 1. In the **Comments** section, click **Sign in with GitHub**. 2. Click **Copy code**, then **Open GitHub verification page**. 3. Enter the copied code on GitHub and authorize the application. 4. Return to Moondiff. The extension waits for authorization and updates the review automatically when sign-in completes. Posting comments, even in a public repository, also requires the GitHub App to be installed for the target repository. Click **Install GitHub App** and grant the app access to the repository if it is not already covered by an existing installation.