Prompt tools & AI contextMCP servers & agent tools

Unabyss tech stack

Collects context from the apps a person uses, structures it and keeps it updated, then shares it with AI tools over MCP with per-tool control over what each can see.

unabyss.com ↗Checked Sep 2026

Foundation

“Unabyss is Postgres-first - context docs, versioning, and vector search all run on Postgres with pgvector - so Postgres was never in question. What we wanted was managed, serverless Postgres that didn't make a small team babysit infra, plus real operational vi…” — the maker, Sep 2026 ↗

“Resend made email the easiest part of our stack — clean API, React Email components, and deliverability that just works.” — the maker, Sep 2026 ↗

On its website: DNS: resend._domainkey.unabyss.com TXT (record present); DNS: send.unabyss.com MX feedback-smtp.eu-west-1.amazonses.com source · Oct 2026 ↗

“Svelte compiles to vanilla JavaScript instead of shipping a runtime, so our landing page and client app load fast, stay small, and don't drag a virtual DOM around just to update a button.” — the maker, Sep 2026 ↗

Money

“Stripe handles every subscription and payment for Unabyss — the API is so well-designed we had billing working end-to-end in a day, and we haven't had to touch it since.” — the maker, Sep 2026 ↗

AI in the product

“Claude's Opus and Sonnet are our primary models for agentic query - the part of Unabyss that reasons and synthesizes across a user's entire context. That's the hardest thing we ask a model to do, and Claude handles long-context reasoning and multi-step synthes…” — the maker, Sep 2026 ↗

Shipping

“Cloudflare gives us Workers, DNS, CDN, SSL, and DDoS protection in one place — our entire frontend infrastructure runs there, and we've never had to think about scaling it.” — the maker, Sep 2026 ↗

Building with AI

“Claude Code is powerful, but Cursor's visual suite — agent, editor, file tree in one place — made managing a project the size of Unabyss far easier.” — the maker, Sep 2026 ↗

Built on a similar stack

Products that share the most distinctive building blocks with Unabyss.