Firestore Rules Guard

Runs the same checker as our npm package on a Node.js runtime that pip installs for you (nodejs-wheel-binaries) - no system Node.js needed. Your files are checked locally.

Audits firestore.rules and storage.rules for public access, expired test-mode dates and missing owner checks — 13 rules, line by line, before you deploy.

Install

firestore-rules-guard file

Node 18+. The same 13 rules as the VS Code extension, from a terminal or CI.

Free

• Audit the .rules file you have open and get every open-access finding with its line number, locally, with no key and no account.
• --rules lists every rule

With a licence ($29 once)

• Audit every .rules file in the workspace in one pass and keep a dated Markdown evidence report you can attach to a review or a customer security questionnaire.

firestore-rules-guard --dir ./templates --report html --out report.html

A freelance Firebase developer is quoted at $120 an hour, and a manual pass over one project's rules takes about an hour, repeated every time the rules change.

Use from an AI agent (MCP)

Claude Code · Cursor · Windsurf · any MCP client - add to your MCP config:

{ "mcpServers": { "firestore-rules-guard": { "command": "firestore-rules-guard", "args": ["--mcp"] } } }

Tools: check_text and check_file (free) · check_dir (licence). The agent gets every finding with the line number.

Use in CI

- name: Firestore Rules Guard
  run: pip install rulestamp-firestore-rules-guard && firestore-rules-guard --dir . --ci

The folder sweep, reports and CI mode need one licence — one payment, no subscription. Set READYSTACK_LICENSE=<key> or run --license <key> once.

Get a licence

Install (PyPI)

pip install rulestamp-firestore-rules-guard
firestore-rules-guard --help