ci: skip Claude review on fork PRs - #14
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Fork-triggered pull_request runs get no secrets and no OIDC token, so the claude-code-action can't authenticate and the check fails on every external PR (e.g. #13) through no fault of the contributor. Skip the claude-review job on forks. Fork PRs can still be reviewed on demand by commenting "@claude review the changes", which runs through claude.yml's issue_comment trigger in the base-repo context where secrets and OIDC are available.
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Problem
The Claude Code Review check fails on every PR from a fork (e.g. #13) with:
This is not a missing-permission bug (the workflow already requests
id-token: write) and not the contributor's fault. GitHub deliberately withholds repository secrets and the OIDC token from fork-triggeredpull_requestruns as a security measure, soanthropics/claude-code-actioncan't authenticate and fails before it reads the diff. Same-repo PRs are unaffected (they pass).Confirmed against the run history: the two same-repo PRs succeeded; the one fork PR (#13) failed. See upstream anthropics/claude-code-action#339 (labeled
bug/p1), #542, #649.Fix
Skip the
claude-reviewjob on fork PRs viaif: github.event.pull_request.head.repo.fork == false. Fork PRs now show a neutral "skipped" check instead of a red ❌.Fork PRs can still be reviewed on demand by commenting
@claude review the changeson the PR — that firesclaude.yml'sissue_commenttrigger, which runs in the base-repo context where secrets and OIDC are available.Considered but rejected:
pull_request_target(would auto-review forks but runs with repo secrets against untrusted code — real prompt-injection / token-minting risk per upstream security guidance).🤖 Generated with Claude Code