# Cortex

> Persistent memory for AI agents by Sigma Labs. Knowledge graph, hybrid search, entity tracking, and structured recall across sessions. File-based, git-tracked, zero-LLM.

- Skill: `johnalbertini14-glitch/cortex` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add johnalbertini14-glitch/cortex`
- Raw SKILL.md: https://api.skillmd.com/api/skills/johnalbertini14-glitch/cortex/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: johnalbertini14-glitch (https://skillmd.com/u/johnalbertini14-glitch)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/johnalbertini14-glitch/cortex

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# Cortex

Persistent memory for AI agents. Built by [Sigma Labs](https://github.com/sigmalabs-ai).

- **Mind** — Behavioral memory. Decisions, lessons, preferences, and 19 typed entries with decay, reinforcement, and consolidation.
- **Vault** — Document store with CRUD and hybrid search. Every write is a git commit.
- **Observer** — Automatic memory extraction from conversations.
- **Search** — Hybrid (BM25 + semantic + temporal). File-based, git-tracked.

## Links

- GitHub: [sigmalabs-ai/cortex](https://github.com/sigmalabs-ai/cortex)
- Original v1: [waynevaughan/cortex](https://github.com/waynevaughan/cortex) (est. Feb 13, 2026)
- License: MIT