Second Mind is a skill that scans your repository and conversation history to capture design decisions, open questions, and session context, storing everything as plain Markdown so project knowledge is portable, human-readable, and easy to resume.
Skill Claude CodeCodex
Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.
Skill Claude CodeCodex
Builds and maintains a living, Obsidian-compatible technical code wiki and guides for your codebase. Automatically scans codebases, captures decisions, and generates high-fidelity technical guides (Database, Auth, APIs, Deployment, and Workflows) while leveraging search tools to verify API contracts, dependencies, and…