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semantic-compress

100 / 100 · Low risk

Fine to try.

By bjcoombs/ai-native-toolkit (GitHub) · coding · 32 stars · scanned at commit f31582e

Make an LLM-directed document smaller while preserving what it does. Two modes: a local span-level core->pointer pass, and an A/B-validated distill loop that produces the smallest document that behaves the same as the original. Point at core knowledge the model already holds (a concept name activates it); keep project-specific detail explicit and verbatim. TRIGGER when asked to compress, tighten, shorten, or strip a prompt / instruction / system message meant for an LLM; to distill a skill; to …

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/'semantic-compress' ] || [ -L ~/.agents/skills/'semantic-compress' ]; then echo 'A skill folder named semantic-compress already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/bjcoombs/ai-native-toolkit' "$d" && git -C "$d" checkout --quiet 'f31582e1c9fe75950a9e522649565b93e3072fe0' -- 'skills/semantic-compress' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/semantic-compress' ~/.agents/skills/'semantic-compress' && 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/'semantic-compress' ~/.claude/skills/'semantic-compress' (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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