# Install oso with npm

oso authorization library. Version 0.27.3 via npm; verified 2024-01-13.

## Install

```sh
sudo av install npm:oso
```

Additional install commands:

### Portable and language managers

- npm (100%):

```sh
npm install -g oso
```

  Evidence: local npm package metadata

## Package facts

- **Package key:** npm:oso
- **Package manager:** npm
- **Package manager page:** <https://www.npmjs.com/package/oso>
- **Version:** 0.27.3
- **Source summary:** oso authorization library.
- **Homepage:** <https://github.com/osohq/oso#readme>
- **Repository:** <https://github.com/osohq/oso>
- **Upstream docs:** <https://github.com/osohq/oso#readme>
- **License:** Apache-2.0
- **Source archive:** <https://registry.npmjs.org/oso/-/oso-0.27.3.tgz>
- **Issue tracker:** <https://github.com/osohq/oso/issues>
- **Published:** 2024-01-13T04:11:34.189Z
- **Last updated:** 2024-01-13T04:11:34.189Z
- **Generated:** 2026-08-04T22:13:35+00:00

## Executables

- oso (cli)
- oso (alias)

## Dependencies

- lodash.isequal

## Build dependencies

- @types/jest
- @types/lodash
- @types/lodash.isequal
- @types/node
- chokidar-cli
- gts
- jest
- live-server
- reflect-metadata
- sqlite3
- temp-write
- ts-jest
- ts-node
- typedoc
- typeorm
- typescript

## Install behavior

- Post-install hook: not defined
- Bottle: not available

## Freshness

- Page generated: 2026-08-04
- Package-manager version: 0.27.3
- Package-manager updated: 2024-01-13
- Local data: ok
- Upstream repository: https://github.com/osohq/oso
- warning: The package-manager record has not been updated in over a year.
- info: No cached GitHub release or tag data was available.

## Security Notes

No matching local secret-handling manifest was found for oso. Package metadata is still published here so future coverage has a stable package URL.


## Source Database Details

- **Source Database:** npm registry
- **Dist Tags:** Latest: 0.27.3
- **Version Count:** 51
- **Maintainers:** robzajac97, nick_oso, vrama628, oso-mike, oso-gabe, 10
- **Publisher:** 10
- **Engines:** Node: >=12.20.0, npm: >=6.4.1
- **Integrity:** sha512-I7vAe8USQvAzYOfT9RlESDiVGMRuo1QqsIO7jycunJKcaR0o7cls23lqem5gxTQ+HOABJz4mbFV5SLBS2L0GLA==
- **Shasum:** 8947b4b35745fa357b45e19ce9f54baeeac89fa7
- **Unpacked Size:** 2,724,519
- **File Count:** 0
- **Created At:** 2016-04-01T14:42:43.070Z
- **Latest Published At:** 2024-01-13T04:11:34.189Z
- **Modified At:** 2026-01-28T21:07:18.835Z


## Related links

- [Security and crypto packages](https://pkg.so/security-crypto-tools/) - Matched curated package taxonomy and local package facts.
- [oauth2-mock-server](https://pkg.so/npm/oauth2-mock-server/) - Security-sensitive metadata or terminology overlaps. Shared terms: auth, cli, security, security-tools.
- [delivery-intel](https://pkg.so/npm/delivery-intel/) - Security-sensitive metadata or terminology overlaps. Shared terms: cli, security, security-tools.

## Sources

- pkg.so package database
- package-page enrichment
- package version freshness
- pkgdb category and tag curation
- package relationship graph
- cross-ecosystem install command graph