Show HN: Modelence – Supabase for MongoDB

Hi all, Aram and Eduard here - authors of Modelence (https://github.com/modelence/modelence), an all-in-one backend platform for teams that love TypeScript + MongoDB. Think Supabase, but for MongoDB: auth, cron jobs, email, monitoring, without glue code before you can ship.

As Karpathy (and many of us) noted, getting from prototype to production is mostly painful integration work. The pieces exist, but stitching them toget

Show HN: MCP Security – Don't Blind Trust, Verify

Hi HN!

We kept seeing devs get pwned through MCP tools in ways that security scanners completely miss. So we built an open-source analyzer to catch these attacks. Our first OSS by Mighty team.

The problem: At Defcon, we saw MCP exploits with 100% success rate against Claude and Llama. Three attack patterns:

Hidden Unicode in "error messages" - Paste a colleague's error into Claude, your SSH keys get exfiltrated Trusted tool updates - That database tool you've used for months? Last week

Launch HN: Cyberdesk (YC S25) – Automate Windows legacy desktop apps

Hi HN, We’re Mahmoud and Alan, building Cyberdesk (https://www.cyberdesk.io/), a deterministic computer use agent for automating Windows desktop applications. Developers use us to automate repetitive tasks in legacy software in healthcare, accounting, construction, and more, by executing clicks and keystrokes directly into the desktop.

Here’s a couple demos of Cyberdesk’s computer use agent:

A fast file import automation into a legacy desktop app:

Show HN: I built a free alternative to Adobe Acrobat PDF viewer

I built EmbedPDF: an MIT-licensed, open-source PDF viewer that aims to match all of Adobe Acrobat’s paid features… for free.

Already working:

- Annotations (highlight, sticky notes, free text, ink)

- True redaction (content actually removed)

- Search, text selection, zoom, rotation

- Runs fully in the browser, no server needed

- Drop-in SDK for React, Vue, Preact, vanilla JS

Why? Acrobat is heavy, closed, and pricey. I wanted something lightweight, hackable, and embeddable anyw


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