Use when the user wants to load environment variables when entering a directory, auto-set env per project, scope env vars without polluting the global shell, set PATH per project, or load a .envrc on cd.
Scanned 9/10/2026
Install to Claude Code
Skills Directorynpx -y skills add moabualruz/fulcrum --skill direnv --agent claude-codeInstalls into .claude/skills of the current project.
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---
name: direnv
description: "Use when the user wants to load environment variables when entering a directory, auto-set env per project, scope env vars without polluting the global shell, set PATH per project, or load a .envrc on cd."
---
# direnv
## When to use
See [references/when-to-use.md](references/when-to-use.md). Load only when this section is needed.
## Invocation
See [references/invocation.md](references/invocation.md). Load only when this section is needed.
## Patterns
See [references/patterns.md](references/patterns.md). Load only when this section is needed.
## Anti-patterns
See [references/anti-patterns.md](references/anti-patterns.md). Load only when this section is needed.
## Cross-refs
See [references/cross-refs.md](references/cross-refs.md). Load only when this section is needed.
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Ultra-compressed communication mode. Cuts token usage ~75% by speaking like caveman while keeping full technical accuracy. Supports intensity levels: lite, full (default), ultra, wenyan-lite, wenyan-full, wenyan-ultra. Use when user says "caveman mode", "talk like caveman", "use caveman", "less tokens", "be brief", or invokes /caveman. Also auto-triggers when token efficiency is requested.
