One click gets you the installer for your platform. The local embedding model ships inside it, so 4DA works fully offline on first run.
Prefer to verify first? All files, checksums & CLI binaries on GitHub →
npx @4da/mcp-server
On first launch, SmartScreen prompts because 4DA is a new app still building reputation — not a warning about the binary. Click More info → Run anyway.
Every release ships SHASUMS256.txt and per-file .sha256 sidecars. Source-available under FSL-1.1-Apache-2.0 — you can also build from source.
Add your project folders. 4DA scans manifests and Git history locally to learn your stack.
4DA fetches from 20+ sources and scores everything against your context. Keys are optional.
Open the Brief tab for today’s top picks. Save what’s useful — it sharpens. Quickstart →