Bouncer

live

Security scanning for npm packages and MCP servers before install

via Show HN ↗

38/100
HealthAn estimate of how actively and professionally this product is run, based on public signals from its website. Higher means more established.

Key features

  • NPM package scanningAnalyzes install scripts and detects malicious code, credential access attempts, and suspicious behavior
  • MCP server vettingScans for hidden prompt injection and security issues in MCP servers
  • Readable verdictsProvides clear, human-readable security assessments before installation
  • Pinned configurationSupports persistent security configuration for consistent scanning policies

Overview

Paste an npm install command or MCP URL and get a readable verdict before you install: npm package security scanning for install scripts, credential access, malicious code, plus MCP server vetting for hidden prompt injection — with a pinned config.

What Bouncer is built with

CDN
Cloudflare
Analytics
Tinybird

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