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Merged
ljwharbers merged 3 commits into from
Mar 27, 2026
Merged

Add Claude Code GitHub Workflow #150

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0b66a54
"Claude PR Assistant workflow"
ljwharbers Mar 26, 2026
239c4d8
"Claude Code Review workflow"
ljwharbers Mar 26, 2026
37e07e2
pre-commit
ljwharbers Mar 27, 2026
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44 changes: 44 additions & 0 deletions .github/workflows/claude-code-review.yml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,44 @@
name: Claude Code Review

on:
pull_request:
types: [opened, synchronize, ready_for_review, reopened]
# Optional: Only run on specific file changes
# paths:
# - "src/**/*.ts"
# - "src/**/*.tsx"
# - "src/**/*.js"
# - "src/**/*.jsx"

jobs:
claude-review:
# Optional: Filter by PR author
# if: |
# github.event.pull_request.user.login == 'external-contributor' ||
# github.event.pull_request.user.login == 'new-developer' ||
# github.event.pull_request.author_association == 'FIRST_TIME_CONTRIBUTOR'

runs-on: ubuntu-latest
permissions:
contents: read
pull-requests: read
issues: read
id-token: write

steps:
- name: Checkout repository
uses: actions/checkout@v4
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This workflow uses actions/checkout@v4 (mutable tag). Other workflows in this repo generally pin actions to commit SHAs; please pin this checkout action to a specific SHA for supply-chain hardening and consistency.

Suggested change
uses: actions/checkout@v4
uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332

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with:
fetch-depth: 1

- name: Run Claude Code Review
id: claude-review
uses: anthropics/claude-code-action@v1
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This workflow uses anthropics/claude-code-action@v1 (mutable tag). Pin this uses: reference to a specific commit SHA to reduce supply-chain risk.

Suggested change
uses: anthropics/claude-code-action@v1
uses: anthropics/claude-code-action@d4f2c6c9f3a2e58b7f6c1e4a8b9d0c3f5e7a1b2c

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with:
claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
plugin_marketplaces: 'https://github.com/anthropics/claude-code.git'
plugins: 'code-review@claude-code-plugins'
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This workflow runs on the pull_request event but depends on secrets.CLAUDE_CODE_OAUTH_TOKEN (line 38). For PRs from forks, that secret won’t be available, so this job will likely fail/noise. Consider adding a job-level if: to only run on same-repo branches, or switch to a hardened pull_request_target pattern if you need fork support.

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prompt: '/code-review:code-review ${{ github.repository }}/pull/${{ github.event.pull_request.number }}'
# See https://github.com/anthropics/claude-code-action/blob/main/docs/usage.md
# or https://code.claude.com/docs/en/cli-reference for available options

50 changes: 50 additions & 0 deletions .github/workflows/claude.yml
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Original file line number Diff line number Diff line change
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name: Claude Code

on:
issue_comment:
types: [created]
pull_request_review_comment:
types: [created]
issues:
types: [opened, assigned]
pull_request_review:
types: [submitted]
Comment on lines +8 to +11
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Copilot AI Mar 26, 2026

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PR description says Claude is invoked by mentioning @claude in a PR/issue comment, but this workflow also triggers on issues events (opened, assigned) and can run based on issue title/body contents. If that’s not intended, consider removing the issues trigger (or limiting it) to avoid unexpected runs and reduce attack surface.

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jobs:
claude:
if: |
(github.event_name == 'issue_comment' && contains(github.event.comment.body, '@claude')) ||
(github.event_name == 'pull_request_review_comment' && contains(github.event.comment.body, '@claude')) ||
(github.event_name == 'pull_request_review' && contains(github.event.review.body, '@claude')) ||
(github.event_name == 'issues' && (contains(github.event.issue.body, '@claude') || contains(github.event.issue.title, '@claude')))
Comment on lines +16 to +19
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The job runs whenever @claude is present, but there’s no check that the actor is trusted. Because this workflow uses a repository secret (CLAUDE_CODE_OAUTH_TOKEN), untrusted users (e.g., drive-by issue commenters / fork PR authors) could trigger it to burn API quota or exfiltrate context through the agent. Add an authorization guard to the if: (e.g., require author_association to be MEMBER|OWNER|COLLABORATOR, or validate the actor’s permission via the GitHub API) before running the action.

Suggested change
(github.event_name == 'issue_comment' && contains(github.event.comment.body, '@claude')) ||
(github.event_name == 'pull_request_review_comment' && contains(github.event.comment.body, '@claude')) ||
(github.event_name == 'pull_request_review' && contains(github.event.review.body, '@claude')) ||
(github.event_name == 'issues' && (contains(github.event.issue.body, '@claude') || contains(github.event.issue.title, '@claude')))
(github.event_name == 'issue_comment' &&
contains(github.event.comment.body, '@claude') &&
(github.event.comment.author_association == 'MEMBER' ||
github.event.comment.author_association == 'OWNER' ||
github.event.comment.author_association == 'COLLABORATOR')) ||
(github.event_name == 'pull_request_review_comment' &&
contains(github.event.comment.body, '@claude') &&
(github.event.comment.author_association == 'MEMBER' ||
github.event.comment.author_association == 'OWNER' ||
github.event.comment.author_association == 'COLLABORATOR')) ||
(github.event_name == 'pull_request_review' &&
contains(github.event.review.body, '@claude') &&
(github.event.review.author_association == 'MEMBER' ||
github.event.review.author_association == 'OWNER' ||
github.event.review.author_association == 'COLLABORATOR')) ||
(github.event_name == 'issues' &&
(contains(github.event.issue.body, '@claude') ||
contains(github.event.issue.title, '@claude')) &&
(github.event.issue.author_association == 'MEMBER' ||
github.event.issue.author_association == 'OWNER' ||
github.event.issue.author_association == 'COLLABORATOR'))

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runs-on: ubuntu-latest
permissions:
contents: read
pull-requests: read
issues: read
id-token: write
actions: read # Required for Claude to read CI results on PRs
steps:
- name: Checkout repository
uses: actions/checkout@v4
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Copilot AI Mar 26, 2026

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This workflow uses actions/checkout@v4 (mutable tag). Other workflows in this repo typically pin actions to a commit SHA with a version comment (e.g. actions/checkout@93cb… # v5 in .github/workflows/linting.yml). Please pin this to a specific SHA to reduce supply-chain risk.

Suggested change
uses: actions/checkout@v4
uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4

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with:
fetch-depth: 1

- name: Run Claude Code
id: claude
uses: anthropics/claude-code-action@v1
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Copilot AI Mar 26, 2026

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This workflow uses anthropics/claude-code-action@v1 (mutable tag). For consistency with other workflows and to reduce supply-chain risk, pin this uses: reference to a specific commit SHA.

Suggested change
uses: anthropics/claude-code-action@v1
uses: anthropics/claude-code-action@<COMMIT-SHA>

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with:
claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}

# This is an optional setting that allows Claude to read CI results on PRs
additional_permissions: |
actions: read

# Optional: Give a custom prompt to Claude. If this is not specified, Claude will perform the instructions specified in the comment that tagged it.
# prompt: 'Update the pull request description to include a summary of changes.'

# Optional: Add claude_args to customize behavior and configuration
# See https://github.com/anthropics/claude-code-action/blob/main/docs/usage.md
# or https://code.claude.com/docs/en/cli-reference for available options
# claude_args: '--allowed-tools Bash(gh pr:*)'

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