pbpaste | tr -d '[:space:]' | gh secret set LEETCODE_CSRF_TOKEN -R hyeseonko/LeetCode

pbpaste | tr -d '[:space:]' | gh secret set LEETCODE_SESSION -R hyeseonko/LeetCode

Re-copy them from leetcode.com (DevTools > Application > Cookies) and run:

rejected the session — the cookies are wrong or have expired.

Sync failed. If the log shows 'submissions is not iterable', LeetCode

TypeError: response.data.data.submissionList.submissions is not iterable

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, joshcai/leetcode-sync@v1.7. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/