{"slug": "tell-hn-claude-code-appends-new-commit-signature-even-if-older-settings-is-off", "title": "Tell HN: Claude Code appends new commit signature even if older settings is off", "summary": "A Hacker News user reported that Claude Code now appends a \"Claude-Session: https://claude.ai/code/session_xyz\" line to git commits by default, even when the older automatic \"co-authored by\" Claude signature setting is disabled in the user's config. The user, posting as ctxc, called the new default-on behavior \"Annoying, feels scummy\" and flagged it as a PSA for other developers.", "body_md": "| [Guidelines](newsguidelines.html) \\|[FAQ](newsfaq.html) \\|[Lists](lists) \\|[API](https://github.com/HackerNews/API) \\|[Security](security.html) \\|[Legal](https://www.ycombinator.com/legal/) \\|[Apply to YC](https://www.ycombinator.com/apply/) \\|[Contact](mailto:hn@ycombinator.com) | \n\n|  | **[Hacker News](news)**[new](newest) \\|[past](front) \\|[comments](newcomments) \\|[ask](ask) \\|[show](show) \\|[jobs](jobs) \\|[submit](submit) | [login](login?goto=item%3Fid%3D49675094) | \n\n|  |  | [Tell HN: Claude Code appends new commit signature even if older settings is off](item?id=49675094) | \n|  |  | 3 points by [ctxc](user?id=ctxc)[26 minutes ago](item?id=49675094) \\|[hide](hide?id=49675094&goto=item%3Fid%3D49675094) \\|[past](https://hn.algolia.com/?query=Tell%20HN%3A%20Claude%20Code%20appends%20new%20commit%20signature%20even%20if%20older%20settings%20is%20off&type=story&dateRange=all&sort=byDate&storyText=false&prefix&page=0) \\|[favorite](fave?id=49675094&auth=89e56e1da4f1bea7e840a6168f20d1b83c941db2) \\|[discuss](item?id=49675094) | \n|  |  | I have the automatic \"co-authored by\" Claude signature turned off for my commits via the config setting. PSA: They've introduced a new \"Claude-Session: https://claude.ai/code/session_xyz\" line that's appended to the commit now though, on by default. Annoying, feels scummy (of all things, ironic I know) |", "url": "https://wpnews.pro/news/tell-hn-claude-code-appends-new-commit-signature-even-if-older-settings-is-off", "canonical_source": "https://news.ycombinator.com/item?id=49675094", "published_at": "2026-09-12 17:53:24+00:00", "updated_at": "2026-09-12 18:21:48.123683+00:00", "lang": "en", "topics": ["ai-tools", "developer-tools", "ai-products"], "entities": ["Claude Code", "Anthropic", "Hacker News", "ctxc"], "alternates": {"html": "https://wpnews.pro/news/tell-hn-claude-code-appends-new-commit-signature-even-if-older-settings-is-off", "markdown": "https://wpnews.pro/news/tell-hn-claude-code-appends-new-commit-signature-even-if-older-settings-is-off.md", "text": "https://wpnews.pro/news/tell-hn-claude-code-appends-new-commit-signature-even-if-older-settings-is-off.txt", "jsonld": "https://wpnews.pro/news/tell-hn-claude-code-appends-new-commit-signature-even-if-older-settings-is-off.jsonld"}}