promptfoo

Test and red-team prompts, agents and RAG.

Measures how close you are to the frontier.

Gap ScorePending test on Mac Studio

26K stars
MIT
Updated 2026-10-15

Where it sits

Modelthe weights
Runtimeruns & routes it
Harnessmakes it act
Memorymakes it remember
promptfooToolsgives it hands

Catalog entryVerified it exists. Install steps not tested yet.

.md .json

Homepage Repo

AGENT VIEW · text/markdown · or send Accept: text/markdown

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schema: "https://insidethemachine.ai/schema/listing.schema.json"
slug: "promptfoo"
name: "promptfoo"
kind: "repo"
tier: "catalog"
category: "evals"
category_label: "Evals & benchmarks"
stack_layer: "tools"
homepage: "https://promptfoo.dev"
repo: "https://github.com/promptfoo/promptfoo"
license: "MIT"
stars: 26019
last_push: "2026-10-15"
archived: false
tags: []
seen_in_videos: []
gap_score: null
gap_score_status: "pending test on Mac Studio"
verified_on: "2026-10-15"
---

# promptfoo

**What:** Test and red-team prompts, agents and RAG.

**Why:** Measures how close you are to the frontier.

**Category:** Evals & benchmarks · **Stack layer:** tools

## Status

Catalog entry. Existence and repo metadata checked 2026-10-15 via the GitHub API. Install commands below are auto-extracted from the README and have NOT been executed or verified. Read the README before running anything; prefer a sandbox or venv.

## Install (unverified)

1. [any] source: README (auto-extracted); status: unverified, not executed

```bash
npm install -g promptfoo
```

## Verify

No verified check yet. Minimum: the install command exits 0 and the tool's own help/version flag runs (exact flag: see README).

## Rollback (unverified)

1. source: derived inverse of install command

```bash
npm uninstall -g promptfoo
```

## Links

- Homepage: https://promptfoo.dev
- Repo: https://github.com/promptfoo/promptfoo
- README: https://github.com/promptfoo/promptfoo#readme