Maintainer of this skill?
Automated security scan — not a certification.
by asgeirtj
Documented system prompts from Anthropic - Claude Fable 5.1, Opus 5.5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex. Google - Gemini 3.8 Flash, 3.1 Pro, Antigravity. xAI - Grok, Grok Bot, Cursor, Kimi and more! Updated regularly.
# Add to your Claude Code skills
git clone https://github.com/asgeirtj/system_prompts_leaksGuides for using ai agents skills like system_prompts_leaks.
Last scanned: 4/15/2026
{
"issues": [],
"status": "PASSED",
"scannedAt": "2026-04-15T06:03:11.321Z",
"semgrepRan": false,
"npmAuditRan": true,
"pipAuditRan": true
}See how system_prompts_leaks compares with popular alternatives.
system_prompts_leaks is an open-source ai agents skill for AI coding assistants such as Claude Code, Codex CLI, and ChatGPT, built by asgeirtj. Documented system prompts from Anthropic - Claude Fable 5.1, Opus 5.5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex. Google - Gemini 3.8 Flash, 3.1 Pro, Antigravity. xAI - Grok, Grok Bot, Cursor, Kimi and more! Updated regularly. It has 69,729 GitHub stars.
Yes. system_prompts_leaks passed SkillsLLM's automated security scan — a dependency vulnerability audit plus prompt-injection heuristics — with no high-severity issues. You can read the full report in the Security Report section on this page.
Clone the repository with "git clone https://github.com/asgeirtj/system_prompts_leaks" and add it to your Claude Code skills directory (see the Installation section above).
system_prompts_leaks is primarily written in Python. It is open-source under asgeirtj on GitHub, so you can review or fork the full source.
Yes. SkillsLLM lists many other AI Agents skills you can browse and compare side by side. Open the AI Agents category from the badge at the top of this page, or use the Related Skills and comparison links further down to weigh system_prompts_leaks against similar tools.
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⚠️ Third-Party Software Notice
This skill is third-party open-source software developed and hosted independently on GitHub. SkillsLLM is an informational directory and does not control or maintain the underlying repository.
Any security checks, ratings, or warnings displayed by SkillsLLM are automated and limited in scope. They do not constitute a security certification or guarantee that the software is safe, error-free, or free from malicious code, vulnerabilities, compromised dependencies, or prompt-injection risks.
Review the source code, permissions, dependencies, and configuration before installing or running any third-party skill. Use is at your own risk. To the maximum extent permitted by applicable law, SkillsLLM is not liable for losses arising from third-party software.
Automated security scan — not a certification.
Understand your agents in production
The full verbatim system prompts behind the most popular chatbots in the world. Carefully curated and complete. Feel free to open up a PR or get in contact if you got a different result.
The Washington Post built its interactive story on prompts from this repo: See the hidden rules behind AI. Then use them to rewrite this article. (May 11, 2026)
CEPS' AI World built an interactive breakdown of what is inside system prompts, topic by topic, from this repo's files: System prompts and what they tell us about the chat before the chat (July 10, 2026)
Simon Willison calls it "the most thorough leaked system prompt collection I know of": ChatGPT search now uses the site: operator at scale (August 20, 2026)
| What | Date | Link |
|---|---|---|
| Claude artifact types (Slides, Dashboard, Design, Docs) | October 9, 2026 | Slides · Dashboard · Design · Design System · Docs · all types |
| Claude Haiku 5.5 | October 7, 2026 | Claude Haiku 5.5 system prompt |
| Haiku 5.5 Claude Code | October 7, 2026 | Claude Code system prompt (Haiku 5.5) |
| ChatGPT Dots | October 5, 2026 | Dreamer system prompt · Voice · all prompts · skills |
| Muse Spark 1.3 Muse Code | October 4, 2026 | Muse Code system prompt (Muse Spark 1.3) · skills · prompts |
| Meta Muse agent (VM files) | October 3, 2026 | Muse agent system prompt · all VM files |
| Grok 4.7 | October 3, 2026 | Grok 4.7 system prompt (grok.com) |
| Fable 5.1 Claude Code on the web (cloud) | September 30, 2026 | Claude Code on the web system prompt (Fable 5.1) |
| GPT-6.1-Sol Codex | September 29, 2026 | GPT-6.1-Sol Codex system prompt · ChatGPT Work local |
| Claude Sonnet 5.5 | September 29, 2026 | Claude Sonnet 5.5 system prompt |
| Sonnet 5.5 Claude Code | September 29, 2026 | Claude Code system prompt (Sonnet 5.5) |
| GPT-6-Sol Codex | September 27, 2026 | GPT-6-Sol Codex system prompt |
| Model | Prompt |
|---|---|
| Claude Haiku 5.5 | Claude Haiku 5.5 system prompt |
| Claude Sonnet 5.5 | Claude Sonnet 5.5 system prompt |
| Claude Opus 5.5 | Claude Opus 5.5 system prompt |
| Claude Fable 5.1 | Claude Fable 5.1 system prompt |
| Claude Opus 5 | Claude Opus 5 system prompt |
| Claude Fable 5 | Claude Fable 5 system prompt |
| Claude Opus 4.8 | Claude Opus 4.8 system prompt |
| Claude Sonnet 5 | Claude Sonnet 5 system prompt |
| Claude Opus 4.7 | Claude Opus 4.7 system prompt |
| Claude Opus 4.6 | Claude Opus 4.6 system prompt · No tools |
| Claude Sonnet 4.6 | Claude Sonnet 4.6 system prompt · No tools |
| Injected reminders | Claude.ai injected reminders |
| Type | Prompt |
|---|---|
| Claude Slides | Slides type skill · references |
| Claude Dashboards | Dashboard type skill · references |
| Claude Design (canvas) | Design type skill · references |
| Claude Docs | Docs type skill |
| Design System | Design System type skill · references |
| Product | Prompt |
|---|---|
| Claude Projects | [**Claude Projects - Thread Claude system |
