Mind Rig
Prompt testing in VS Code. No eval tools required.
- Launched September 20, 2026
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Top upvoted of the last 30 days
Automate QA with plain English. No code, no setup, no flakiness.
Prompt testing in VS Code. No eval tools required.
Top upvoted of the last 30 days
Automate QA with plain English. No code, no setup, no flakiness.
As a software engineer, when I update a prompt, I need to verify that it works across a range of different inputs. Usually, that means tediously running the prompt again and again with various inputs, every time I make a change.
Mind Rig me re-run a prompt against 10 different inputs and see all the results side-by-side in my code editor.
It also runs multiple models at once and compares speed/cost/quality outputs. Supports hundreds of models via Vercel Gateway. Also shows request/response JSONs + usage stats.
- Free and open-source
- Supports Ruby, PHP, Go, C# and Java in addition to JS/TS/Python.
- Connect your Vercel AI Gateway API key to access 100s of model providers.
- It matches your editor's colour theme 🎨
- We also have a Discord community if you need any help getting set up.
