Git push failing with HTTP 403 error"

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Title: Git push failing with HTTP 403 error

Description: I'm trying to push a commit to my repository (smagnacca/60-second-ai-quiz) but getting persistent "HTTP 403" errors. The commit is saved locally but won't push to GitHub. This happens even after multiple retry attempts.

Commit: f52ff54
Branch: main

What Should Happen?

Details: "I made a commit to the 60-second-ai-quiz repo on branch main (commit f52ff54) but cannot push it to GitHub. Getting persistent HTTP 403 proxy authentication errors even after multiple retries."

Error Messages/Logs

Steps to Reproduce

Title: Git push failing with HTTP 403 error

Description: I'm trying to push a commit to my repository (smagnacca/60-second-ai-quiz) but getting persistent "HTTP 403" errors. The commit is saved locally but won't push to GitHub. This happens even after multiple retry attempts.

Commit: f52ff54
Branch: main

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Research preview

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_