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Access Matrix

Access Matrix is an agent skill (a SKILL.md file) from sickn33/agentic-awesome-skills. It access matrix of role-by-module permissions, with per-role scope, confidentiality level and SME tier, as CSV, SQL, JSON Schema or Notion on… It works with Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot and OpenCode and has 47,305 GitHub stars across a repository of 7 listed skills.

github.com/sickn33/agentic-awesome-skills/skills/access-matrix (opens in a new tab)

Add this skill

Claude

This repository is a Claude Code plugin marketplace. In Claude Code:

/plugin marketplace add sickn33/agentic-awesome-skills
/plugin   # browse agentic-awesome-skills and install the plugin that contains access-matrix

In the Claude apps, zip the access-matrix folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git
cp -r agentic-awesome-skills/skills/access-matrix .agents/skills/access-matrix   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git
cp -r agentic-awesome-skills/skills/access-matrix .cursor/skills/access-matrix   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

Access matrix of role-by-module permissions, with per-role scope, confidentiality level and SME tier, as CSV, SQL, JSON Schema or Notion on request. Use for access reviews. Works out the smallest useful Access Matrix setup for the business in front of it, then builds it only when asked. The default output is a short recommendation, not a spreadsheet. Artifacts - CSV, SQL DDL, JSON Schema, Notion mapping - are produced on request, from one field list so they cannot drift apart.

When it triggers

  • Use for access reviews.

More skills in sickn33/agentic-awesome-skills

7 skills are listed from this repository.

FAQ

Access Matrix FAQ

Still curious? Email info@appsgit.com.

What is the Access Matrix skill?

Access Matrix is an agent skill (a SKILL.md file) from sickn33/agentic-awesome-skills. It access matrix of role-by-module permissions, with per-role scope, confidentiality level and SME tier, as CSV, SQL, JSON Schema or Notion on… It works with Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot and OpenCode and has 47,305 GitHub stars across a repository of 7 listed skills. Its SKILL.md lives at github.com/sickn33/agentic-awesome-skills/skills/access-matrix.

How do I install the Access Matrix skill?

In Claude Code, run /plugin marketplace add sickn33/agentic-awesome-skills, then install its plugin from /plugin. For Codex or Cursor, copy the access-matrix folder into .agents/skills/ or .cursor/skills/.

Is the Access Matrix skill free?

Yes. The repository is open source under the MIT license.

Is Access Matrix maintained?

The repository's most recent commit was on Oct 6, 2026. Its latest release is v19.0.1. appsgit only lists skills from repositories with a commit in the last six months.