# Install promptfoo with npm

LLM eval & testing toolkit. Version 0.121.19 via npm; verified 2026-07-14. Also installable with nix: nix profile install nixpkgs#promptfoo.

## Install

```sh
sudo av install npm:promptfoo
```

Additional install commands:

### Portable and language managers

- npm (100%):

```sh
npm install -g promptfoo
```

  Evidence: local npm package metadata

## Package facts

- **Package key:** npm:promptfoo
- **Package manager:** npm
- **Package manager page:** <https://www.npmjs.com/package/promptfoo>
- **Version:** 0.121.19
- **Source summary:** LLM eval & testing toolkit
- **Homepage:** <https://promptfoo.dev>
- **Repository:** <https://github.com/promptfoo/promptfoo>
- **Upstream docs:** <https://promptfoo.dev>
- **License:** MIT
- **Issue tracker:** <https://github.com/promptfoo/promptfoo/issues>
- **Published:** 2026-07-14T16:44:51.242Z
- **Last updated:** 2026-07-14T16:44:51.242Z
- **Generated:** 2026-08-04T22:13:35+00:00

## Executables

- promptfoo (cli)

## Install behavior

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

## Freshness

- Page generated: 2026-08-04
- Package-manager version: 0.121.19
- Package-manager updated: 2026-07-14
- Local data: ok
- Upstream repository: https://github.com/promptfoo/promptfoo
- info: No cached GitHub release or tag data was available.

## Security Notes

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


## Source Database Details

- **Source Database:** npm registry
- **Dist Tags:** Latest: 0.121.19
- **Version Count:** 418
- **Maintainers:** sklein12, mdangelo, ianw, justinbeckwith, faizanminhas
- **Author:** Ian Webster
- **File Count:** 0
- **Created At:** 2023-05-03T19:53:10.282Z
- **Latest Published At:** 2026-07-14T16:44:51.242Z
- **Modified At:** 2026-07-14T16:44:51.242Z

## Other Package-Manager Records

- Nix - promptfoo: normalized package name match | nixpkgs package indexes: pkgs/by-name/pr/promptfoo/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1


## Related links

- [AI and agent packages](https://pkg.so/ai-agent-tools/) - Matched curated package taxonomy and local package facts.
- [promptfoo](https://pkg.so/brew/promptfoo/) - Same normalized package name appears in another local ecosystem. Shared terms: ai, cli, llm, promptfoo, testing.
- [vitest-evals](https://pkg.so/npm/vitest-evals/) - Local package facts share a topical domain. Shared terms: ai, cli, learning, machine, machine-learning.
- [mallet](https://pkg.so/brew/mallet/) - Local package facts share a topical domain. Shared terms: ai, cli, learning, machine, machine-learning.
- [promptfoo](https://pkg.so/brew/promptfoo/) - Same normalized package name exists in another local package ecosystem.

## Sources

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