Emboss for ChatGPT

io.github.edwinorange/emboss

Turn any PDF form into a fillable one, fill it from data or documents, verify it, and fax it.

client:ChatGPT transport:streamable-http

Install Emboss in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.getemboss.ai/mcp

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