# crabenv > An opinionated env var management standard and CLI for keeping schemas, templates, local envs, and deployment sinks aligned. Paths are site-relative. Use {origin}{path}, not /llms.txt{path}. Per-page markdown lives at /llms/... by default. ## Table of Contents ### Start Here - [Overview](/llms/index.md): crabenv is an env var management standard created to minimize env var schema + documentation drift in any codebase - [CLI Guide](/llms/cli-guide.md): Compact crabenv CLI guide for agents ### Language Guides - [TypeScript](/llms/language/typescript.md): How to setup crabenv for TypeScript projects - [Python](/llms/language/python.md): How to setup crabenv for Python projects - [Rust](/llms/language/rust.md): How to setup crabenv for Rust projects - [Flutter / Dart](/llms/language/flutter.md): How to setup crabenv for Flutter/Dart projects ### Sinks - [Github Actions](/llms/sinks/github-actions.md) ### Agents - [Agent Skills](/llms/skill.md): Install the crabenv agent skill when you want an AI coding agent