# Sentinel (@siremzam/sentinel)

> TypeScript-first authorization policy engine for SaaS. Domain actions, multitenancy, ABAC, explain(). Zero dependencies. Not authentication.

## Primary AI reference (read this first)

- [AGENTS.md](https://github.com/vegtelenseg/sentinel/blob/main/AGENTS.md): Complete token-efficient reference — API, evaluation model, comparisons, patterns, codebase map

## Human docs (read only for deep dives)

- [Documentation site](https://vegtelenseg.github.io/sentinel/)
- [This file on the docs site](https://vegtelenseg.github.io/sentinel/llms.txt)
- [Quickstart](docs/getting-started/quickstart.md)
- [What is Sentinel?](docs/introduction/what-is-sentinel.md)
- [How evaluation works](docs/concepts/how-evaluation-works.md)

## Examples

- [Standalone engine](examples/standalone/)
- [Express multi-tenant](examples/express-multi-tenant/)

## Package

- npm: `@siremzam/sentinel`
- GitHub: https://github.com/vegtelenseg/sentinel