AI & Agents

Prompt Injector

Last updated 2026-07-08 · benchmark measured 2026-09-12 — deterministic & reproducible

Browser extension to store and inject saved prompts into AI chat interfaces.

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To cite this score: legit.show/s/promptvault-9kn-pages-dev/2026-09-12. That address never changes; this page moves with every re-measure.

Legit.Show scored Prompt Injector 70/100 on 2026-09-12, measured across all 7 frames from its public surface. legit.show/s/promptvault-9kn-pages-dev/2026-09-12

Is Prompt Injector production-ready?

Legit.Show scores Prompt Injector 70 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Prompt Injector (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Performance; its weakest is Discoverability. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — 94/100
• Accessibility — 81/100
• Security — 45/100
  How this compares across the catalogue: The Web Security Baseline
• Privacy — 70/100
  How this compares across the catalogue: The Privacy Gap
• Reliability — 67/100
• Standards — 85/100
• Discoverability — 45/100

What we measured

• Security headers present: X-Content-Type-Options, Referrer-Policy.
• No Content-Security-Policy and no HSTS.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 398 ms to first byte.
• 0 of 0 sampled routes reachable.
• Has a reachable privacy policy.
• Sets cookies / loads scripts with no consent prompt.
• Discoverable: sitemap.

Who it's for

AI users · ChatGPT power users · Claude users · Gemini users · Prompt engineers

Pricing

Starter: Free forever (local storage, up to 20 prompts); Pro Digger: $3/month (unlimited prompts, cloud sync, priority support)

Sources and updates

Description

Taken from promptvault-9kn.pages.dev's own website on 2026-07-08.

Operator

Prompt Injector, as named in promptvault-9kn.pages.dev's terms, privacy page or footer.

Benchmark

Measured by Legit.Show from the live site, the way any visitor sees it — with no access to its code or accounts. Same method for every product, and no AI decides the score. Last checked 2026-09-12.

Put together from public information, without Prompt Injector's involvement. If anything here is wrong, tell us and a person will check it.

Visit Prompt Injector → · Alternatives to Prompt Injector → · How this was measured →