Developer Tools
Backgrind
Last updated 2026-06-23 · benchmark measured 2026-08-11 — deterministic & reproducible
An always-on-top overlay window for running AI coding agents on macOS and Windows.
Is Backgrind production-ready?
Legit.Show scores Backgrind 79 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Backgrind (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Security. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 78/100
- Accessibility — 93/100
- Security — 25/100
- Privacy — 75/100
- Reliability — 100/100
- Standards — 92/100
- Discoverability — 90/100
What we measured
- No Content-Security-Policy and no HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 143 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- Has a reachable privacy policy.
- Sets cookies / loads scripts with no consent prompt.
- Discoverable: structured data, OpenGraph image, canonical URL.
Who built it
Karol · product account @BackgrindApp
Who it's for
Vibe coders · Pro developers · macOS users · Windows users · Developers using AI agents
Pricing
Metered usage pricing for Grindy agent - pay per token used with top-up anytime option; other agents use existing subscriptions
Visit Backgrind → · Alternatives to Backgrind → · How this was measured →