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access-matrix

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.

Install / Use

npx skills add sickn33/agentic-awesome-skills --skill access-matrix

Installs into whichever agent you are using.

About this skill
📄

SKILL.md

Installable skill definition

Quality Score

100/100

Supported Platforms

Universal

Our assessment of access-matrix

access-matrix scores 100/100 on our quality scale, 2nd of 597 Data & Analytics skills we index (top 1%).

Its SKILL.md is 14 KB long, well organised into 19 sections with 9 code examples: a thorough specification that gives an agent plenty to work with.

With 47,306 GitHub stars, it is one of the more widely adopted skills in the catalogue.

Substance
30/30
Structure
20/20
Description
15/15
Adoption
20/20
Freshness
15/15

Maintenance, license and trust

  • The repository was last updated yesterday, so access-matrix is actively maintained.
  • It is released under the MIT license, a permissive license that allows use, modification and commercial use with attribution.
  • Its trust signals score 100/100, with no cautions. These come from repository metadata, not a code audit — read the skill file before letting an agent act on it.

access-matrix compared with similar skills

access-matrix has the highest quality score among these 4 similar skills, though 1 alternative has been updated more recently.

SkillScoreStarsUpdatedFormat
access-matrix (this skill)by sickn3310047.3k1d agoSKILL.md
claude-memby thedotmack10097.5ktodayCLAUDE.md
algorithmic-artby anthropics100177.9k15d agoSKILL.md
pptxby anthropics100177.9k15d agoSKILL.md
designby nextlevelbuilder100133.6k4d agoSKILL.md

Frequently asked questions

How do I install access-matrix?
Run npx skills add sickn33/agentic-awesome-skills --skill access-matrix. The install tabs above show the steps for each supported agent.
Which AI agents does access-matrix work with?
It is written for Universal, as a SKILL.md file. Other agents that read the same format can often use it too.
Is access-matrix safe to use?
It is MIT-licensed and scores 100/100 on trust signals. Skills are instructions an agent will follow, so read the file before installing it and do not approve commands you do not understand.
Is access-matrix still maintained?
The repository was last updated yesterday, so access-matrix is actively maintained.

name: access-matrix description: '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.' category: business risk: safe source: self source_type: self date_added: '2026-09-26' author: WHOISABHISHEKADHIKARI tags:

  • sme
  • business
  • operations
  • database
  • csv
  • notion
  • sql
  • foundation tools: [] source_repo: WHOISABHISHEKADHIKARI/sme-ops-system-builder

Access Matrix

What it is: What each role can see and change.

Overview

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.

Layer: Layer 1: Foundation. Fits: Growth stage. Table code: n/a.

When to Use This Skill

  • who can access what matrix
  • role permission matrix
  • access control spreadsheet
  • who sees which data

Also use it when the user says "what each role can see and change", or describes the same process happening in a spreadsheet, a document or someone inboxes.

Do not use it for: payroll calculation, tax filing, or legal advice. This skill produces empty templates only - it never holds or processes real employee or customer data.

How It Works

Follow the shared execution contract. The module-specific rules below define only domain fields, decisions, calculations, and safety constraints.

Step 1 - Identify intent

Read the request and pick the intent before asking anything.

  • "set up" or "build" or "create" -> the user wants artifacts; go to Step 2.
  • "our process is ..." or "it is in a sheet" -> the user wants to move an existing process; capture it, then Step 2.
  • "is this right" or "review" or "audit" -> the user wants a check, not a build; answer from what they share.
  • "how do I ..." -> advice question; answer directly and offer the build only if it helps.

Ask only if this is the highest-value missing fact; otherwise proceed without an opener:

Q: How many roles exist in the company?

Step 2 - Ask only what is missing

Skip anything the user already answered, in any earlier message. Ask the rest one at a time, and stop as soon as the remaining answers would not change the output.

  • Scope - Which system or data? / How many roles? / Any external people?
  • Roles - Who is owner or CEO? / Who is admin? / Who is line manager?
  • Rules - View only or edit? / Any confidential areas? / Reviewed how often?
  • Current process - How do you track access now? / Spreadsheet or none? / Any known gaps?
  • Outcome - What should this produce? / An access list or a review cycle?

Never invent an answer. If the user does not know, record it as unknown and carry on.

Step 3 - Hold the internal context

Hold the answers in this shape. It stays internal - it is not shown to the user unless they ask, and it never carries a value the user did not give.

module: access-matrix
intent: null            # setup | advice | review | fix | build | convert | export
scale: null             # Starter | Growth | Scale, only if the answer changes it
areas:
  "Scope": null
  "Roles": null
  "Rules": null
  "Current process": null
  "Outcome": null
requested_outputs: []   # csv | sql | json | notion | xlsx - requested formats only
confirmed_facts: []     # only what the user actually said
open_questions: []      # the unanswered ones, in the order worth asking

Step 4 - Recommend the smallest workflow

If an artifact was requested, build it after resolving essential missing facts. Otherwise give a short recommendation and offer the relevant artifact.

Recommended approach: Keep the matrix in the tool the team already reviews in, and treat it as a recurring review rather than a one-time document.

Why this one: Access problems are rarely about storage. They are about nobody re-checking who still needs what, so a review cycle matters more than the matrix itself.

Workflow: Role list → System inventory → Access rows → Quarterly review → Removal

Step 5 - Build only on request

Once the user asks for it, derive the fields from the confirmed context and emit the requested artifacts. For machine-readable text, keep prose outside the data; for files, provide a usable link. Report material validation failures or limitations separately.

A selected Notion output is rendered by notion-manual-import, so route the Notion step there. When the user selects Notion, hand that step to @notion-manual-import: it holds the CSV, the property mapping, the import steps and the verification checklist, and it renders the Field Reference below instead of defining a table of its own. Do not restate the mapping here and do not improvise the import steps. Manual CSV and mapping outputs need no connection. For requested workspace changes, follow the shared contract: verify actual tool access and the target before writing. A user saying "connected" is not tool evidence. Never ask for a Notion password or token.

For an Excel-compatible CSV, use UTF-8 with a byte order mark so Excel opens the text correctly. A CSV is not an .xlsx workbook; create .xlsx only when the user requests a workbook. A CSV carries no types, so after it, name the columns that need a number, date or currency format applied.

Module,Module ID,Layer,SME Tier,Owner / CEO,Board,Finance,Tax,HR,IT & Admin,Department Head,Line Manager,Employee,Intern,Client,Confidential
Invoices & Billing,,Layer 8: Operate,Small,Full - all modules,Read - board pack only,"Read, add, edit - payroll and invoices","Read, add, edit - tax register",Full - people and compliance modules,"Read, add, edit - assets and access",Example Reviewer,"Read, add, edit - own team",Read - own records,Read - onboarding only,Example Customer,Internal
CREATE TABLE access_matrix (
  module VARCHAR(255),
  module_id SERIAL PRIMARY KEY,
  layer VARCHAR(255),
  sme_tier VARCHAR(100) NOT NULL,
  owner_ceo VARCHAR(255),
  board VARCHAR(255),
  finance VARCHAR(255),
  tax VARCHAR(255),
  hr VARCHAR(255),
  it_admin VARCHAR(255),
  department_head VARCHAR(255),
  line_manager VARCHAR(255),
  employee VARCHAR(255),
  intern VARCHAR(255),
  client VARCHAR(255),
  confidential VARCHAR(100) NOT NULL,
  created_at TIMESTAMP DEFAULT NOW(),
  updated_at TIMESTAMP DEFAULT NOW()
);
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Access Matrix",
  "type": "object",
  "additionalProperties": false,
  "properties": {
      "Module": { "type": "string" },
      "Module ID": { "type": "integer" },
      "Layer": { "type": "string" },
      "SME Tier": { "type": "string" },
      "Owner / CEO": { "type": "string" },
      "Board": { "type": "string" },
      "Finance": { "type": "string" },
      "Tax": { "type": "string" },
      "HR": { "type": "string" },
      "IT & Admin": { "type": "string" },
      "Department Head": { "type": "string" },
      "Line Manager": { "type": "string" },
      "Employee": { "type": "string" },
      "Intern": { "type": "string" },
      "Client": { "type": "string" },
      "Confidential": { "type": "string" }
  },
  "required": [
      "SME Tier",
      "Confidential"
  ]
}
| CSV column | Notion property | Set after import |
|---|---|---|
| Module | Title | Use as the database title |
| Module ID | Text (preserve source ID) | Keep imported IDs as Text; optionally add a separate Unique ID property |
| Layer | Text | Leave as Text |
| SME Tier | Select (add options after import) | Convert to Select, add options: "Micro", "Small", "Medium", "Large", "Enterprise" |
| Owner / CEO | Text | Leave as Text |
| Board | Text | Leave as Text |
| Finance | Text | Leave as Text |
| Tax | Text | Leave as Text |
| HR | Text | Leave as Text |
| IT & Admin | Text | Leave as Text |
| Department Head | Text | Leave as Text |
| Line Manager | Text | Leave as Text |
| Employee | Text | Leave as Text |
| Intern | Text | Leave as Text |
| Client | Text | Leave as Text |
| Confidential | Select (add options after import) | Convert to Select, add options: "Public", "Internal", "Restricted", "Highly Restricted" |

The rows above are documentation examples only. Emit empty templates unless the user explicitly requests examples. Money stays currency, dates stay date, and anything pointing at another table stays relation.

Field Reference

| # | Field | Type | SQL | JSON Schema | Notion | CSV example | |---:|---|---|---|---|---|---| | 1 | Module | text | VARCHAR(255) | string | Text | Invoices & Billing | | 2 | Module ID | id | SERIAL PRIMARY KEY | integer | Text (preserve source ID) | (blank) | | 3 | Layer | text | VARCHAR(255) | string | Text | Layer 8: Operate | | 4 | SME Tier | select | VARCHAR(100) | string | Select (add options after import) | Small | | 5 | Owner / CEO | text | VARCHAR(255) | string | Text | Full - all modules | | 6 | Board | text | VARCHAR(255) | string | Text | Read - board pack only | | 7 | Finance | text | VARCHAR(255) | string | Text | Read, add, edit - payroll and invoices | | 8 | Tax | text | VARCHAR(255) | string | Text | Read, add, edit - tax register | | 9 | HR | text | VARCHAR(255) | string | Text | Full - people and compliance modules | | 10 | IT & Admin | text | VARCHAR(255) | string | Text | Read, add, edit - assets and access | | 11 | Department Head | text | VARCHAR(255) | string | Text | Example Reviewer | | 12 | Line Manager | text | VARCHAR(255) | string | Text | Read, add, edit - own team | | 13 | Employee | text | VARCHAR(255) | string | Text | Read - own records | | 14 | Intern | text | VARCHAR(255) | string | Text | Read - onboarding only | | 15 | Client | text | VARCHAR(255) | string | Text | Example Customer | | 16 | Confidential | select | VARCHAR(100) | string | Select (add options after import) | Internal |

Select Options

SME Tier

Micro | Small | Medium | Large | Enterprise

Confidential

Public | Internal | Restricted | Highly Restricted

Relations

Link fields: none

Examples

Prompt

We have 6 roles and want to know who can see payroll and bank details.

Context first - one question per message, nothing already answered:

Q: Which system? A: Payroll, bank details and HR records.

Q: How often should it be reviewed? A: Every quarter.

Q: What do you use today? A: Nothing tracked.

Recommended next step - offered, not built:

Keep the matrix in the tool the team already reviews in, and treat it as a recurring review rather than a one-time document.

Workflow: Role list → System inventory → Access rows → Quarterly review → Removal

Want the CSV, SQL, JSON Schema and Notion mapping for this?

Best Practices

  • Build when requested; recommend and offer a build for advice-only requests.
  • One question per message. A batched intake reads as a form and gets guessed at.
  • Keep display names identical across CSV and JSON; document normalized SQL identifiers.
  • Use relation for anything that points at another table, text only for free text.
  • Money fields are currency, never text. Dates are date, never free text.
  • If the user requests an example row, keep it obviously fake so nobody imports it as real data.

Limitations

  • Empty template only. It does not compute payroll, tax, leave balances or KPIs.
  • Notion relations need both databases imported before the link column resolves.
  • Select options are a starting set. Rename them to match how the business talks.
  • No automation, reminders or sync. Those need the integration layer.
  • Does not provision or revoke access. It only records who should have what.
  • Legal, tax and

Truncated for display — read the full file on GitHub.

Related Skills

View on GitHub
GitHub Stars47.3k
CategoryData
Updated1d ago
Forks6.9k

Languages

Python

Trust signals

100/100

From repository metadata: license, adoption, age and documentation. Not a code audit — see the Safety scan above for what the skill file itself contains.

No cautions