feat: improve PR review examples with context and tools (#504)

- Add PR repository and number to review prompts
- Note that PR branch is already checked out
- Update allowed tools to use inline comments and gh CLI
- Remove experimental review mode example in favor of standardized approach

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-authored-by: Claude <noreply@anthropic.com>

examples/claude-auto-review.yml

@@ -22,7 +22,12 @@ jobs:
         with:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
           prompt: |
-            Please review this pull request and provide comprehensive feedback.
+            REPO: ${{ github.repository }}
+            PR NUMBER: ${{ github.event.pull_request.number }}
+
+            Please review this pull request.
+
+            Note: The PR branch is already checked out in the current working directory.
 
             Focus on:
             - Code quality and best practices
@@ -34,7 +39,10 @@ jobs:
             - Verify that README.md and docs are updated for any new features or config changes
 
             Provide constructive feedback with specific suggestions for improvement.
-            Use inline comments to highlight specific areas of concern.
+            Use `gh pr comment:*` for top-level comments.
+            Use `mcp__github_inline_comment__create_inline_comment` to highlight specific areas of concern.
+            Only your GitHub comments that you post will be seen, so don't submit your review as a normal message, just as comments.
+            If the PR has already been reviewed, or there are no noteworthy changes, don't post anything.
 
           claude_args: |
-            --allowedTools "mcp__github__create_pending_pull_request_review,mcp__github__add_comment_to_pending_review,mcp__github__submit_pending_pull_request_review,mcp__github__get_pull_request_diff"
+            --allowedTools "mcp__github_inline_comment__create_inline_comment,Bash(gh pr comment:*), Bash(gh pr diff:*), Bash(gh pr view:*)"