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claude-code - 💡(How to fix) Fix [BUG] /ultrareview fails with "Claude GitHub app must be installed" despite app being correctly installed [1 participants]

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anthropics/claude-code#56363•Fetched 2026-05-06 06:30:07
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bnsa3edbnsa3ed
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Error Message

granted to the target repository (MyPajero-iOS). The error appears regardless of invocation form — no args, branch name, or PR number.

Error Messages/Logs

  1. Run /ultrareview — error appears
  2. Run /ultrareview feature/mypajero-phase1-2 — error appears
  3. Run /ultrareview 1 (PR number) — error appears
  4. Changed Repository Access to "All repositories" — error persists

Code Example

Ultrareview cannot launch:                                                                                                                                                      
  The Claude GitHub app must be installed on this repository first.                                                                                                             
  https://github.com/apps/claude/installations/new
RAW_BUFFERClick to expand / collapse

Preflight Checklist

  • I have searched existing issues and this hasn't been reported yet
  • This is a single bug report (please file separate reports for different bugs)
  • I am using the latest version of Claude Code

What's Wrong?

The /ultrareview command refuses to launch and claims the Claude GitHub App is not installed, even though the app is installed on the account (bnsa3ed) with explicit access
granted to the target repository (MyPajero-iOS). The error appears regardless of invocation form — no args, branch name, or PR number.

What Should Happen?

/ultrareview should detect the installed GitHub App and launch a cloud review of the feature branch against main.

Error Messages/Logs

Ultrareview cannot launch:                                                                                                                                                      
  The Claude GitHub app must be installed on this repository first.                                                                                                             
  https://github.com/apps/claude/installations/new

Steps to Reproduce

  1. Create a private GitHub repo (bnsa3ed/MyPajero-iOS)
  2. Install the Claude GitHub App on the bnsa3ed account via https://github.com/apps/claude/installations/new
  3. Grant explicit access to MyPajero-iOS under Repository Access
  4. Push two branches: main (baseline) and feature/mypajero-phase1-2 (with code)
  5. Open PR #1 (feature/mypajero-phase1-2 → main)
  6. Run /ultrareview — error appears
  7. Run /ultrareview feature/mypajero-phase1-2 — error appears
  8. Run /ultrareview 1 (PR number) — error appears
  9. Changed Repository Access to "All repositories" — error persists

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

No response

Claude Code Version

2.1.128

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

No response

extent analysis

TL;DR

The issue might be resolved by re-checking the repository access settings for the Claude GitHub App or verifying the app's installation status.

Guidance

  • Verify that the Claude GitHub App is installed and has the correct permissions for the MyPajero-iOS repository, ensuring it has access to the repository and can read the necessary data.
  • Check the repository settings to confirm that the app has explicit access to the MyPajero-iOS repository, as the error message suggests this might be the issue.
  • Try removing and re-installing the Claude GitHub App to ensure a clean installation and proper configuration.
  • Review the GitHub App's documentation to ensure all necessary steps for installation and configuration have been followed correctly.

Notes

The provided information suggests the issue is related to the GitHub App's installation or configuration, but without more detailed logs or error messages, it's difficult to pinpoint the exact cause.

Recommendation

Apply workaround: Re-check and potentially re-configure the GitHub App's installation and repository access settings, as this seems to be the most likely cause of the issue based on the error message and the steps to reproduce.

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#api#installation#network issue#logging issue#authentication issue

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