Extracted system prompts from Anthropic - Claude Fable 5.1, Opus 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.
System Prompts Leaks is a collection of captured system instructions used to guide AI chatbots and coding agents before they receive user messages. It serves researchers and developers studying how different AI assistants are directed.
Skill Claude CodeCodex
Reference for writing a Workflow tool script (script API and gotchas, resume, quality patterns, worked examples). Load before authoring a script for a workflow the user already opted into; it does not itself authorize running one.
Skill Claude CodeCodex
Guided Cowork setup — install a matching plugin, try a skill, connect tools. Use when: set up cowork, setup cowork, get started with cowork, cowork onboarding, configure cowork, personalize cowork.
Skill Claude CodeCodex
Learns how the user writes from their own sent messages and docs, and builds a voice profile so future drafts sound like them instead of generic AI. The profile is saved as the my-writing-style skill. Use when the user asks to set up, learn, or capture their writing voice, or complains that drafts sound generic or…
Skill Claude Code
Model a 3D object the user can inspect from every angle and download, built with three.js and presented in the threedstage starter.
Skill Claude Code
Timeline-based motion design.
Skill Claude Code
Call Claude from your HTML artifacts via window.claude.complete.
Skill Claude Code
Skill to use if user asks you to create a design system or UI kit.
Skill Claude Code
Native text & shapes — editable in PowerPoint.
Skill Claude Code
Flat images — pixel-perfect but not editable.
Skill Claude Code
Design a print-ready, single-page flier as one self-contained HTML file: exactly one fixed-size page.
Skill Claude Code
Aesthetic direction for designs outside an existing brand system.
Skill Claude Code
Developer handoff package.
Skill Claude Code
The design process for high-fidelity, polished work — the system prompt tells Claude to invoke it before starting any design.
Skill Claude Code
Send-ready single-file email.
Skill Claude Code
Working app with real interactions.
Skill Claude Code
Slide presentation in HTML.
Skill Claude Code
Page-style document, printable out of the box.
Skill Claude Code
Add in-design tweak controls.
Skill Claude Code
Accurate maps from real geo data — use for any map, or whenever geography would make a good graphic for a deliverable.
Skill Claude Code
Present multiple design options as a vertical stack of anchored turns.
Skill Claude Code
Reformat the current HTML design into a paginated, paper-ready PDF. The "Instant" export already gives the user a PDF at the design's native pixel size — this path is for when they want real pages.
Skill Claude Code
Single self-contained file that works offline.
Skill Claude Code
Findings grounded in live web sources.
Skill Claude Code
Explore many ideas with wireframes and storyboards.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: