nickcrew/claude-cortex

token-efficiency

Compressed communication using symbols and abbreviations. Use when context is limited or brevity is needed.

First seen Feb 24, 2026

Installation

$ npx skills add nickcrew/claude-cortex --skill token-efficiency

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Not declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Not declared
Cline Not declared
OpenCode Not declared

Repository health

Stars 38
License LICENSE
Default branch main
Open issues 3
Status Active

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 1,453 B
  • docs SUMMARY.md 131 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 197 installs

SKILL.md

Token Efficiency

Compressed communication for limited context windows.

Symbol System

Logic & Flow

Symbol Meaning
leads to, implies
transforms to
rollback
& and
\ or
» sequence/then
therefore
because

Status

Symbol Meaning
complete/pass
failed/error
⚠️ warning
🔄 in progress
pending

Domains

Symbol Domain
performance
🔍 analysis
🛡️ security
🏗️ architecture

Abbreviations

  • cfg config
  • impl implementation
  • deps dependencies
  • val validation
  • perf performance
  • sec security
  • err error

Examples

Standard:

"The authentication system has a security vulnerability in the user validation function"

Compressed:

auth.js:45 → 🛡️ sec risk in user val()

Standard:

"Build completed, now running tests, then deploying"

Compressed:

build ✅ » test 🔄 » deploy ⏳

When to Use

  • Context >75% full
  • Large codebase analysis
  • Complex multi-step workflows
  • User requests brevity