preflight
A local proxy that scans LLM requests and attachments for secrets before they reach the model.
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GITHUB · launched Sep 20, 2026 · 76 upvotes (top 11%) · 0 views
Niche: llm security and guardrails software · 58 launches, 5 in the last 7 days ▼ -44% · Explore this niche →
Category and tags
- Horizontal
- Compliance & governance
- Developer
- AI feature
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 58 launches in llm security and guardrails software →
Could you build this?
Yes It is a local HTTP proxy server that intercepts outgoing requests and applies regex/pattern-matching libraries (like TruffleHog or Gitleaks rules) to detect secrets before forwarding.
Competitors
Other products that read as similar to this one : 2528 launches clear the similarity bar, closest 8 shown.
Attention rank: #245 of 2529 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 325 days after the earliest competitor.
- A local MitM proxy to control TLS fingerprints · hn · 2026-08-18 · 29 upvotes · similarity 0.64
- LLVM-jutsu: Anti-LLM obfuscation pass · hn · 2025-12-22 · 8 upvotes · similarity 0.61
- Sentrint, a security scanner for projects build with LLMs · hn · 2026-08-20 · 6 upvotes · similarity 0.61
- ReasonGate- An explainable gate that blocks LLM prompt injection · hn · 2026-07-16 · 7 upvotes · similarity 0.58
- superfluid · github · 2026-10-08 · 14 upvotes · similarity 0.57
- good-door · github · 2026-11-04 · 220 upvotes · similarity 0.55
- Deterministic security scanner for Model Context Protocol · hn · 2026-10-03 · 5 upvotes · similarity 0.55
- claude-proxy-guard · github · 2026-10-21 · 31 upvotes · similarity 0.55
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.