Hacker News
· u/stealthtsdb
· Apr 25, 2026
Show HN: Agent MCP Studio – build multi-agent MCP systems in a browser tab
I built a browser-only studio for designing and orchestrating MCP agent systems for development and experimental purposes. The whole stack — tool authoring, multi-agent orchestration, RAG, code execution — runs from a si…
Hacker News
· u/craigmccaskill
· May 27, 2026
Show HN: Posthorn, self-hosted mail gateway
Introducing Posthorn, a self hosted email gateway. One docker container (or Go binary) between every self hosted app on your VPS and your transactional email provider. Set up Posthorn once, point your apps to it, done.I …
Hacker News
· u/ashconway
· May 28, 2026
Show HN: Open Envelope – an open schema for defining AI agent teams
Built an open JSON Schema for defining AI agent teams.Multi-agent systems are becoming a real deployment pattern — not single assistants, but teams with roles, handoffs, and human checkpoints. But there's no shared way t…