Contributors sidebar shows a stale "claude" contributor not present in any commit, API, or Insights data (second confirmed report, see #189812)

[glamberson]

🏷️ Discussion Type

Bug

Body

Repository: https://github.com/lamco-admin/lamco-rdp-server

The repository homepage sidebar shows 3 contributors, including one named "claude" (avatar resolves to github.com/claude, id 81847). This does not match any other data source for the repository:

• GET /repos/lamco-admin/lamco-rdp-server/contributors returns only 2 contributors (lamco-office, glamberson). No claude.
• Same endpoint with ?anon=1 still only returns those same 2. No claude.
• The Insights, Contributors graph, set to Period: All, covering the full history from Jan 3 to Jul 18 2026, all 28 commits, still only shows those same 2 contributors. No claude.
• Filtering commits on main by author=claude returns "No commits history."
• I dumped the raw git object content of every one of the 28 commits reachable from main, author, committer, full message body, every trailer, and searched for "claude" and "anthropic" in all of it. Zero matches, anywhere.

So the commit data, the REST API, and the full Insights graph all agree the repository is clean. The only place "claude" appears is the small sidebar widget on the repository homepage, and it disagrees with every other GitHub-side source for the same repository.

This is not an isolated case. #189812 reports the exact same symptom on a different repository, also showing "Claude" specifically as a stale sidebar contributor after a history rewrite, verified with the same kind of git log evidence, and it received no response.

Given two independent reports of the same specific contributor name showing up incorrectly after history rewrites, with no self-service way to trigger a recompute, I'm asking whether someone on GitHub's side can take a look at whatever is feeding that sidebar widget and get it corrected for this repository.

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