🚰 SYSTEM PROMPT LEAK 🚰 Here's the full system prompt for Claude Opus-5.5!! The total count of everything extracted, including all tools, comes in at over 1.9M characters! 🤯 Lots to dig into here. Enjoy! 🫡 Link: github.com/elder-plinius/… gg↗

🚰 SYSTEM PROMPT LEAK 🚰 Here's the Fable 5.1 system prompt!! 🙌 Coming in at a WHOPPING 270,000+ characters, this prompt is definitely on the longer side. There have been a handful of notable edits/additions since Opus 5's version. FULL PROMPT: github.com/elder-plinius/… Acc…↗

TLDR: When using Sol, clean up your AGENTS.md to de-emphasize any language encouraging sustained persistence and turn on auto-review. - GPT-5.6 Sol ran destructive cleanup on three virtual machines the user did not name. - GPT-5.6 Sol claimed it completed work that it had not a…↗

Here's a step-by-step process to kill all the bloat from your Claude Code system prompt: 1. Run a proxy so you can see exactly what gets sent to Claude Code (included in the article) 2. "Fuck, there is so much cruft in there" 3. Use my settings.json to kill all the bloat Down t…↗

cchistory extracts and compares system prompts and tool definitions across different Claude Code versions to help track changes over time.↗