Open source Self-hostable MCP support free
In these stacks
LicenseMIT
PriceFree
UsageIncluded
Model supportgpt
Languagespython
GitHub stars27.6k
Last activity2026-07-04
VerifiedThu Jun 25 2026 00:00:00 GMT+0000 (Coordinated Universal Time)
Verified byseed
OpenAI's production evolution of Swarm: a minimal SDK for building agents with handoffs, guardrails, and tracing.
Strengths
- Minimal and readable abstraction
- First-class OpenAI tracing and guardrails
Tradeoffs
- OpenAI models first
- Young ecosystem