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
This build is not code-signed, so SmartScreen will warn you and Windows cannot tell you who published it. That is a real gap, not a formality, and the only honest way to close it on your side is to check the hash below against the one in SHASUMS256.txt before you run it. Click More info → Run anyway once you have. Signed builds are in progress.
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 →