Every distribution, in one place.
35 packages on npm, grouped by surface area. Pick the one that fits your stack.
Top packages by weekly downloads
Last 7 days, npm registry.
Core
Runtime primitives every distribution shares.
Tooling & CLI
Scaffolding and build tooling.
Cloud & streaming
Hosted persistence and stream transports.
Framework adapters
Drop-in bindings for popular AI SDKs.
Vercel AI SDK adapter.
LangGraph adapter.
LangChain useStream adapter.
Google ADK adapter.
OpenCode runtime adapter.
Protocol adapters
Open agent protocols, ready to wire up.
Platform bindings
Run anywhere React runs.
UI & rendering
Markdown, rich composers, and devtools.
Streaming-aware markdown renderer.
Streamdown-based markdown rendering.
Syntax highlighting for assistant-ui.
Markdown for the terminal distribution.
Lexical composer with @-mention support.
React Hook Form integration.
Inspect runtime state in the browser.
Effects & primitives
Standalone packages we built along the way.
MCP & agents
Tooling for MCP hosts and agent runtimes.
Observability
Trace, debug, and measure assistants.