Piebald-AI/tweakcc

Customize Claude Code's system prompts, create custom toolsets, input pattern highlighters, themes/thinking verbs/spinners, customize input box & user message styling, support AGENTS.md, unlock private/unreleased features, and much more. Supports both native/npm installs on all platforms.

22 best points · 9 comments · 4 Hacker News posts · 2,600 GitHub stars · View on GitHub

Hacker News discussions

• Tweakcc (22 points, 3 comments, by handfuloflight, 2025-10-23)
• Show HN: Tweakcc – Customize Claude Code's CLI (themes, verbs, spinner) (3 points, 5 comments, by bl-ue, 2025-08-26)
• Show HN: tweakcc (OSS)–customize Claude Code's system prompt and LSP and /title (3 points, 1 comments, by bl-ue, 2025-11-19)
• Show HN: Customize Claude Code's System Prompt with Tweakcc (1 points, 0 comments, by bl-ue, 2025-10-23)