Open source Self-hostable MCP support free
In these stacks
LicenseApache-2.0
PriceFree
UsageBYOK
Model supportclaude, gpt, gemini, byok
Languagestypescript
GitHub stars25.3k
Last activity2026-07-03
VerifiedFri Jun 26 2026 00:00:00 GMT+0000 (Coordinated Universal Time)
Verified byseed
A provider-agnostic TypeScript SDK for streaming, tool-calling, and agent workflows, with first-class React and Next.js integration.
Strengths
- Best-in-class streaming and React Server Components support
- Model-agnostic across all major providers
Tradeoffs
- TypeScript-only
- Agent abstractions are newer than LangGraph-class peers
Covers
BYOK / model choice