

Also from Kynth Studios


Also from Kynth Studios


Also from Kynth Studios
1# Claude Code System Prompts23## What this repository is45System prompts extracted via script from the Claude Code npm package's compiled JavaScript source. Maintained by [Piebald AI](https://piebald.ai/), not by Anthropic.67See the [Extraction section in README.md](./README.md#extraction) for details on the extraction method.89## What Claude Code is1011Claude Code is Anthropic's CLI tool for agentic coding. It is distributed as a compiled npm package (`@anthropic-ai/claude-code`). Source code is not publicly available. The [anthropics/claude-code](https://github.com/anthropics/claude-code) GitHub repository contains issues and releases only.1213## How to use these files1415- **Reference:** Understand what prompts Claude Code uses and how they change across versions16- **Local patching:** Use [tweakcc](https://github.com/Piebald-AI/tweakcc) to customize individual prompt pieces in your local Claude Code installation17- **Feature requests:** For changes to Claude Code's prompts, file issues at [anthropics/claude-code/issues](https://github.com/anthropics/claude-code/issues)1819## For AI agents working with this repository2021- These files are **extracted reference material**, not modifiable source code22- Editing files here does not change Claude Code's behavior23- The `system-prompts/` directory contains markdown files with YAML frontmatter noting the Claude Code version and template variables24- Template variables like `${BASH_TOOL_NAME}` are interpolated at runtime by Claude Code — they appear as literal strings in these files25- The [CHANGELOG.md](./CHANGELOG.md) tracks prompt changes across Claude Code versions26
Same format, overlapping stack, ranked by quality.
| Repository | Format | Stack | Covers | Score | Changed |
|---|---|---|---|---|---|
| bagisto/bagistoCLAUDE.md · 28k | CLAUDE.md | setupbuildteststyle+5 | 100/100 | 7 days ago | |
| Adit-Jain-srm/NightmareNetCLAUDE.md · 46 | CLAUDE.md | buildtestlint-formatstyle+6 | 100/100 | 14 days ago | |
| nimbalyst/nimbalystpackages/android/CLAUDE.md · 1.5k | CLAUDE.md | setupbuildstylearch+2 | 100/100 | 14 days ago | |
| microsoft/playwrightCLAUDE.md · 95k | CLAUDE.md | buildtestlint-formatstyle+7 | 100/100 | 7 days ago | |
| tphakala/birdnet-goCLAUDE.md · 1.6k | CLAUDE.md | buildtestlint-formatstyle+8 | 100/100 | today | |
| dotCMS/corecore-web/CLAUDE.md · 949 | CLAUDE.md | teststylearchtesting-strategy+3 | 100/100 | 14 days ago | |
| tyrchen/geektime-bootcamp-aiw7/genslides/backend/CLAUDE.md · 230 | CLAUDE.md | testlint-formatstylearch+6 | 100/100 | 9 days ago | |
| livewire/livewireCLAUDE.md · 24k | CLAUDE.md | setupbuildteststyle+4 | 100/100 | 14 days ago |
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Published by Toolproof, the masthead over this index and eight others. The method behind the number is at toolproof.kynth.studio/methodology, and the whole thing is readable as JSON with no key at /api.