first-party
Prompt library
Read and write a shared library of reusable prompt templates — list, fetch, render with variables (server-side Liquid), and save (create or update) from any agent.
What it does with Protobox
Connect Prompt library once and its 0 tools become available to every agent talking to your MCP server: no separate integration code per client.
Works with
Claude, Cursor, ChatGPT, and any MCP-compatible client