Skillget

laconic

skill
Security Audit
Warn
Health Warn
  • License — License: MIT
  • Description — Repository has a description
  • Active repo — Last push 0 days ago
  • Low visibility — Only 5 GitHub stars
Code Pass
  • Code scan — Scanned 7 files during light audit, no dangerous patterns found
Permissions Pass
  • Permissions — No dangerous permissions requested
Purpose
This tool is a 300-word AI skill designed to compress token usage. It acts as a system prompt that instructs AI coding agents to be concise, cutting out filler words and relying on context to significantly reduce output tokens.

Security Assessment
Overall Risk: Low. The automated code scan checked 7 files and found no dangerous patterns. It does not request any dangerous system permissions, nor does it appear to execute shell commands or access sensitive local data. However, based on the provided README, the benchmark script requires an external API key (`LANGDOCK_API_KEY`) to function. While the core skill itself is completely safe, developers should be mindful of proper environment variable security (such as using `.env.local`) if they choose to run the external benchmarking suite. There are no hardcoded secrets or malicious network requests in the main functionality.

Quality Assessment
The project is in its early stages and has low community visibility with only 5 GitHub stars. Despite this, it is a very recent creation (last push was today) and is properly licensed under the permissive MIT license. The README is exceptionally well-documented, offering clear instructions, comparisons to similar tools, and transparent benchmark data. The creator's intent and methodology are highly visible and straightforward.

Verdict
Safe to use.
SUMMARY

Token-compression skill. An adaptation of caveman — short common words, trust context, say just enough, be laconic.

README.md

laconic

Philip II: "If I invade Laconia, I shall turn you out."
Sparta: "If."

Stars Last Commit License Website

Install • Benchmarks • Examples • Caveman vs Laconic

laconic is a 300 word skill for AI coding agents. Inspired by caveman.

It cuts filler.
It keeps meaning.
It trusts context.

Think: short, clear, cold.

Every word earns its place.

Benchmarks

Caveman Benchmark

Claude Sonnet 4 via Langdock API. Each prompt: generic system prompt vs full laconic SKILL.md. Median of 3 runs per mode.

Task Normal (tokens) Laconic (tokens) Saved vs Caveman
Explain React re-render bug 885 68 92% +5pp
Fix auth middleware token expiry 1059 39 96% +13pp
Set up PostgreSQL connection pool 2167 189 91% +7pp
Explain git rebase vs merge 996 95 90% +32pp
Refactor callback to async/await 494 62 87% +65pp
Architecture: microservices vs monolith 826 209 75% +45pp
Review PR for security issues 940 126 87% +46pp
Docker multi-stage build 2635 149 94% +22pp
Debug PostgreSQL race condition 1370 49 96% +15pp
Implement React error boundary 4096 400 90% +3pp
Average 1547 139 90% +25pp

Range: 75%–96% savings across prompts. Caveman benchmarks averaged 64%.

[!IMPORTANT]
Laconic cuts output tokens only.

Run benchmarks yourself 
cd benchmarks
pip install -r requirements.txt

echo "LANGDOCK_API_KEY=sk-your-key" > ../.env.local

python run.py --dry-run
python run.py
python run.py --update-readme

Examples

Prompt: "My Express auth middleware is letting expired JWT tokens through. The expiry check uses Date.now() compared to the token's exp field. What's wrong and how do I fix it?"

🗣️ Normal (~1,300 tokens)

Explains JWT spec, Unix timestamps vs JavaScript milliseconds, walks through middleware architecture, adds error handling, suggests libraries, and outputs a full refactored file (...)

Λ Laconic (19 tokens)

exp is in seconds. Date.now() is milliseconds.

if (Date.now() / 1000 > payload.exp) // expired

Caveman vs Laconic

Caveman Laconic
Tone Primitive Terse
Explanation Normal Trusts context, skips what reader knows
Code Normal Just enough code
Token savings ~65% ~90%

Install

Any agent (40+ supported)

npx skills add GabrielBarberini/laconic

npx skills supports Claude Code, GitHub Copilot, Cursor, Windsurf, Cline, and 40+ more. To install for a specific agent:

npx skills add GabrielBarberini/laconic -a cursor
npx skills add GabrielBarberini/laconic -a copilot
npx skills add GabrielBarberini/laconic -a cline
npx skills add GabrielBarberini/laconic -a windsurf

Claude Code (plugin)

claude plugin marketplace add GabrielBarberini/laconic
claude plugin install laconic@laconic

Codex

  1. Clone repo
  2. Open Codex in repo
  3. Run /plugins
  4. Search Laconic
  5. Install plugin

Or copy the plugins/laconic/ directory into your Codex plugins folder.

Usage

Trigger with:

  • /laconic
  • "laconic mode"
  • "be laconic"

License

MIT — Sparta needed no walls. Neither does this license.

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