How do I install the Cortex Query skill?

Run npx skillmds add majiayu000/cortex-query in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Cortex Query safe to use?

This skill has not completed SkillMD's automated safety review yet. Capability flags: docs only. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Cortex Query?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Cortex Query free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Cortex Query?

majiayu000 (@majiayu000) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Cortex Query by majiayu000 — Agent Skill

Name: Cortex Query
Rating: 4.666666666666667 (3 reviews)
Author: majiayu000

Cortex Query

Search and query your Knowledge Cortex (~/.cortex/). Use when asked to "cortex stats", "cortex search", "cortex client", "cortex contacts", "cortex export", "cortex prune", "search my knowledge base", or "what do I know about COMPANY". Queries portable JSONL/JSON files for contacts, clients, communications, and facts.

majiayu000 7f4c3ee 2 files · 2.5 KB Updated Sep 9, 2026 567 repo stars

File contents

Knowledge Cortex — Query

Search, browse, and export your Knowledge Cortex flat files.

When invoked

Read {skill_path}/references/file-schema.md for the storage format.

Commands

What user says	Action
"cortex stats"	Show knowledge base stats
"cortex search QUERY"	Search across all records
"cortex client DOMAIN"	Full dossier for a client
"cortex contacts [filter]"	List contacts
"cortex export TYPE"	Export contacts, clients, knowledge, or comms
"cortex prune"	Remove low-value records

Usage

python3 {skill_path}/scripts/cortex-query.py stats
python3 {skill_path}/scripts/cortex-query.py search "QUERY"
python3 {skill_path}/scripts/cortex-query.py client domain.com
python3 {skill_path}/scripts/cortex-query.py contacts [filter]
python3 {skill_path}/scripts/cortex-query.py export contacts --format csv
python3 {skill_path}/scripts/cortex-query.py export knowledge --format json
python3 {skill_path}/scripts/cortex-query.py prune --dry-run
python3 {skill_path}/scripts/cortex-query.py prune

Print output directly to the user.

Environment

Variable	Default	Purpose
`CORTEX_DIR`	`~/.cortex`	Storage root

References

File schemas: {skill_path}/references/file-schema.md

Frequently asked questions