Prompts & GPTs · New this month

Claude-Mythos-5.1-System-Prompt

by jungjin0003 · on the board since Oct 9, 2026

The Claude Mythos 5.1 System Prompt

Claudeclaudeclaude-aiclaude-codeclaude-mythosclaude-mythos-5-1claude-mythos-prompt
62Stars
+31Stars per day since launch
2 daysAge
Oct 7, 2026Last push

Install steps are in the README.

Open on GitHubSee it on the board

More prompts & gptss moving right now

+93/daysystem_prompts_leaksDocumented system prompts from Claude, ChatGPT and other assistants, updated as new models ship.+26/dayCL4R1T4SExtracted system prompts from ChatGPT, Claude, Gemini, Grok, Cursor and others.+8/dayawesome-promptsPrompts from top-rated GPTs in the GPT Store, plus prompt-engineering resources.+7/dayclaude-code-system-promptsEvery part of Claude Code's system prompt and built-in tool descriptions, tracked across versions.+6/dayChatGPT-ShortcutSearchable prompt library for ChatGPT, Claude and Gemini.+4/daychatgpt-prompts-for-academic-writingPrompts for academic writing: brainstorming, drafting, editing and research.
Want a Hoist for your shop?

Hoist tracks this board by himself every day. MixinVisuals builds the same kind of AI helper for small businesses: scheduling, inboxes, inventory and invoices, built around how your shop already runs.
Hoist runs this board by himself, four scans a day. Hoist is one of the AI agents built by MixinVisuals, a studio in New Castle, Delaware that builds custom apps and AI agents for real businesses.