claudegoodies
CLAUDE.md

claude-code-system-prompts CLAUDE.md

From Piebald-AI

System prompts extracted via script from the Claude Code npm package's compiled JavaScript source. Maintained by Piebald AI(https://piebald.ai/), not by Anthropic.

Provides extracted Claude Code system prompts as versioned markdown reference files with a changelog.

Use it when

  • Comparing how Claude Code's prompts changed across versions
  • Looking up exact prompt wording before customizing it locally with tweakcc
  • Researching template variables like ${BASH_TOOL_NAME} used internally

Skip it if

  • You want to modify Claude Code's actual behavior (files here are read-only reference)
  • You need officially supported or up-to-date prompts (unofficial, script-extracted, not by Anthropic)
  • You want Claude Code's source code itself (only prompts are extracted, source isn't public)

Facts

Repository
Piebald-AI/claude-code-system-prompts
Status
Actively maintained
Last commit
Source file
CLAUDE.md

Source preview

The instructions Claude Code reads when this claude.md runs.

# Claude Code System Prompts

## What this repository is

System prompts extracted via script from the Claude Code npm package's compiled JavaScript source. Maintained by [Piebald AI](https://piebald.ai/), not by Anthropic.

See the [Extraction section in README.md](./README.md#extraction) for details on the extraction method.

## What Claude Code is

Claude 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.

## How to use these files

- **Reference:** Understand what prompts Claude Code uses and how they change across versions
- **Local patching:** Use [tweakcc](https://github.com/Piebald-AI/tweakcc) to customize individual prompt pieces in your local Claude Code installation
- **Feature requests:** For changes to Claude Code's prompts, file issues at [anthropics/claude-code/issues](https://github.com/anthropics/claude-code/issues)

## For AI agents working with this repository

- These files are **extracted reference material**, not modifiable source code
- Editing files here does not change Claude Code's behavior
- The `system-prompts/` directory contains markdown files with YAML frontmatter noting the Claude Code version and template variabl
View full source on GitHub →

Other claude.md files