LightAgent MCP/SSE beats LangChain latency

- LightAgent published MCP/SSE tooling for real-time multi-agent coordination, claiming lower latency and smoother agent-to-agent messaging than LangChain in low-latency scenarios. (x.com) - Anthropic’s Agent SDK assumes per-session containers (Modal/E2B) while OpenAI’s Agents SDK emphasizes pluggable sessions, highlighting different isolation and scaling choices. (x.com) - These stacks aim to enable live multi-agent loops for co-browsing, collaborative editing and low-latency apps. (x.com)