structured output agent for ChatGPT

io.github.mikerawsonnz/structured-output-agent

Turn a prompt + a field schema into validated, typed JSON (Instructor over Gemini 2.5 Flash on Verte

client:ChatGPT transport:streamable-http tools:2

Install structured output agent in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://fastmcp-instructor-72225f.getvda.ai/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs