Add Claude Code GitHub Workflow

[justin808]

🤖 Installing Claude Code GitHub App

This PR adds a GitHub Actions workflow that enables Claude Code integration in our repository.

What is Claude Code?

Claude Code is an AI coding agent that can help with:

• Bug fixes and improvements
• Documentation updates
• Implementing new features
• Code reviews and suggestions
• Writing tests
• And more!

How it works

Once this PR is merged, we'll be able to interact with Claude by mentioning @claude in a pull request or issue comment.
Once the workflow is triggered, Claude will analyze the comment and surrounding context, and execute on the request in a GitHub action.

Important Notes

• This workflow won't take effect until this PR is merged
• @claude mentions won't work until after the merge is complete
• The workflow runs automatically whenever Claude is mentioned in PR or issue comments
• Claude gets access to the entire PR or issue context including files, diffs, and previous comments

Security

• Our Anthropic API key is securely stored as a GitHub Actions secret
• Only users with write access to the repository can trigger the workflow
• All Claude runs are stored in the GitHub Actions run history
• Claude's default tools are limited to reading/writing files and interacting with our repo by creating comments, branches, and commits.
• We can add more allowed tools by adding them to the workflow file like:

allowed_tools: Bash(npm install),Bash(npm run build),Bash(npm run lint),Bash(npm run test)

There's more information in the Claude Code action repo.

After merging this PR, let's try mentioning @claude in a comment on any PR to get started!

Summary by CodeRabbit

Release Notes

• Documentation

  • Updated code review workflow documentation and references.

• Chores

  • Extended pull request code review triggers to include ready_for_review and reopened events.
  • Updated workflow configuration and runner settings for improved reliability.
  • Added path-based filtering capability for more targeted code reviews.

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

Two GitHub Actions workflow files are updated: the Claude Code Review workflow is restructured with expanded PR triggers, explicit steps, and adjusted permissions; the Claude workflow documentation is refined with updated references and minor formatting adjustments.

Changes

Cohort / File(s)	Summary
GitHub Actions Workflow Configuration .github/workflows/claude-code-review.yml	Restructured PR trigger events to include ready_for_review and reopened; replaced inline action invocation with explicit checkout and Claude Code Review steps; adjusted permissions from write to read for pull-requests and issues; removed top-level secrets block; added configuration inputs for token, plugin marketplace, plugins, and prompt.
Workflow Documentation Updates .github/workflows/claude.yml	Updated action documentation references from CLI option docs to Claude CLI reference; removed model argument from sample claude_args; added trailing blank line for formatting consistency.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Poem

🐰 Workflows hop with triggers new,
PR ready and reopened too—
Steps explicit, permissions tight,
Claude reviews with renewed might! ✨

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch add-claude-github-actions-1770794728110

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[greptile-apps]

Greptile Overview

Greptile Summary

This PR adds/updates GitHub Actions workflows to enable Claude Code integration:

• claude-code-review.yml now runs anthropics/claude-code-action@v1 directly on PR events (opened/synchronize/ready_for_review/reopened) and invokes a code-review plugin via a custom prompt.
• claude.yml keeps the @claude-mention triggered workflow and updates the inline documentation link/comment for CLI arguments.

These workflows live under .github/workflows/ and rely on the CLAUDE_CODE_OAUTH_TOKEN secret plus GitHub OIDC (id-token: write) for the action to authenticate.

Confidence Score: 4/5

• This PR looks safe to merge; changes are isolated to workflow configuration.
• Only GitHub Actions YAML changed. I did not find any repo-local evidence that the new action inputs or permissions will fail at runtime; however, the correctness of the plugins/prompt configuration ultimately depends on the external anthropics/claude-code-action and the referenced plugin marketplace.
• No files require special attention

Important Files Changed

Filename	Overview
.github/workflows/claude-code-review.yml	Replaces reusable workflow call with direct claude-code-action invocation and tightens permissions to read-only; no repo-local evidence of breakage found.
.github/workflows/claude.yml	Updates documentation link/comment for CLI reference and removes explicit model from example args; no functional behavior change.

Sequence Diagram

sequenceDiagram
  participant Dev as Maintainer/Contributor
  participant GH as GitHub Actions
  participant WF as claude-code-review.yml
  participant Claude as anthropics/claude-code-action

  Dev->>GH: Open/sync/reopen PR
  GH->>WF: Trigger pull_request event
  WF->>GH: Checkout repository
  WF->>Claude: Run action with oauth token + plugins + prompt
  Claude-->>GH: Post results (per action/plugin behavior)
  GH-->>Dev: Review output available in Actions logs / PR (if action posts)

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