Bookmarker for Mac vs VulnFeed

A personal library that lives on your Mac. Save links, images, and PDFs; on-device AI sorts them. Private by default, no account, nothing leaves. One-time $99.

VulnFeed is also a keyless, pay-per-call CVE & EPSS feed over x402, your agent hits a 402, pays a few cents in USDC, and gets structured, exploit-ranked results.

About Bookmarker for Mac

A personal library that lives on your Mac. Save links, images, and PDFs; on-device AI sorts them. Private by default, no account, nothing leaves. One-time $99. Pay $99 once and the app is yours, with free updates. Your library lives in a local database, and the AI runs on-device.

About VulnFeed

VulnFeed is also a keyless, pay-per-call CVE & EPSS feed over x402, your agent hits a 402, pays a few cents in USDC, and gets structured, exploit-ranked results. Top priority: express, the GHSA-29mw vuln has 73% exploit probability. VulnFeed surfaces the ones likely to be used in real attacks. AI agents can pay per request with USDC on Base, no account, no API key, no subscription. # Agent sends request, gets HTTP 402 with payment details # x402 client library handles payment automatically # $0.01 per scan · $0.002 per CVE lookup · $0.05 per monitor # Discovery endpoint: curl https://vulnfeed-api.novadyne.ai/.well-known/x402 Uses the x402 protocol.