Install

One package, no service:

npm install @ratel-ai/sdk@0.4.0

The docs pin the version they document; drop the pin to track the latest release. The package is ESM (type: module) and needs Node.js 20 or newer.

Prebuilt native targets

The SDK bundles Ratel's Rust core as a native module. Prebuilt bindings ship for:

• macOS: darwin-arm64, darwin-x64
• Linux (glibc): linux-x64-gnu, linux-arm64-gnu
• Windows: win32-x64-msvc

On these targets nothing compiles at install time and no Rust toolchain is needed.

What else you might install

• MCP ingestion — registerMcpServer works out of the box; the MCP client (@modelcontextprotocol/sdk) ships as a dependency.
• Telemetry export — @ratel-ai/telemetry-otlp is an optional peer; add it only to ship spans over OTLP. See Telemetry & OTel.
• Semantic & hybrid retrieval — nothing to install. Opting in downloads the local embedding model on first use; see Build the embedding cache and Semantic & hybrid search.

Next steps