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lambda-out

100 / 100 · Low risk

Fine to try.

By hugoduncan/psi (GitHub) · other · 55 stars · scanned at commit 61d2c6e

Compressed communication mode. Cuts token usage by speaking in lambda expressions while keeping full technical accuracy. Use when user says "lambda mode", "talk with lambdas", "use lambdas", "less tokens", "be brief", or invokes /lambda-out. Also auto-triggers when token efficiency is requested.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'lambda-out' ] || [ -L ~/.agents/skills/'lambda-out' ]; then echo 'A skill folder named lambda-out already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/hugoduncan/psi' "$d" && git -C "$d" checkout --quiet '61d2c6e7761892994e1b4ded2a2b8e413bc76684' -- '.psi/skills/lambda-out' && mkdir -p ~/.agents/skills && cp -R "$d"/'.psi/skills/lambda-out' ~/.agents/skills/'lambda-out' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'lambda-out' ~/.claude/skills/'lambda-out' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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