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    asgeirtj

    asgeirtj/system_prompts_leaks

    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.

    ai
    llm
    ai-agents
    ai-prompts
    anthropic
    chatbot
    chatgpt
    Python
    CC0-1.0
    70.9K stars
    11.5K forks
    70.9K GitHub watchers
    Updated Nov 6, 2026
    View on GitHub

    Build with Backblaze B2

    SDKs, agent skills, IDE extensions, and reference pipelines from Backblaze Labs. All open source.

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    Where it stands

    Rank, growth pace and release cadence relative to everything GStars tracks.

    The project lists 27 contributors on GitHub.

    Peaked at #2 in the weekly ranking the week of Jul 5, its best in the past year.

    Use Cases & Benefits

    • Provides a curated collection of system prompt instructions extracted from various AI chatbots and language models.
    • Enables developers and researchers to access and analyze real system prompts from leading AI platforms for improved prompt engineering.
    • Use for studying and reverse-engineering system prompts to enhance custom AI agent behavior and responses.
    • Use for benchmarking and comparing prompt strategies across different AI models like Claude, ChatGPT, and Gemini.
    • Use for contributing to or updating a centralized repository of system prompts to support AI research and development.

    Should you depend on it?

    License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.

    License

    CC0 1.0

    Public-domain style: no conditions on use.

    Community files

    • README: present

    Watch-outs

    • No GitHub releases; pin a commit or tag instead of a release.

    General guidance from repository metadata, not legal advice. How we score

    From the README

    NEW: 23 Aug 2025 OpenAI/gpt-5-thinking.md

    Collection of system message instructions for various publicly deployed chatbots.

    Feel free to do PR's.

    Please use discussions tabs for discussions not the Issues tab.

    Discord username: asgeirtj X profile: https://x.com/asgeirtj

    Excerpt from the asgeirtj/system_prompts_leaks README on GitHub (CC0-1.0 license). © its authors.Read the full README on GitHub

    Daily snapshots

    Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots

    Aug 9: +23Aug 31: +66Sep 1: +26Sep 4: +24Sep 10: +82Sep 11: +207Sep 12: +408Sep 13: +624Sep 14: +777Sep 15: +487Sep 16: +198Sep 17: +108Sep 18: -2Sep 19: +142Sep 20: +260Sep 21: +126Sep 22: +90Sep 23: +42Oct 4: +83Oct 5: +61Oct 6: +51Oct 7: +61Oct 8: +69Oct 9: +100Oct 10: +84Oct 11: +38

    +8,313 stars over 90 days across 34 snapshot days; best day +777 on Sep 14.

    Forks

    11.5K+1.2K

    Open issues

    22-30

    Compared with peers in AI

    Fastest-growing repositories GStars tracks in this cohort for the week of Nov 8, by 7-day star growth

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