PTPGE Open Beta

Periodic Table of Print & Graphic Elements

PTPGE is an open vocabulary for the printing and graphic-arts industry — stable URIs, multilingual labels, machine-readable JSON-LD, and an MCP server for AI agents. We're in Open Beta: the URI scheme is locked, but term content is still evolving.

Apply below to get an API key and MCP credentials. We review each application by hand and respond within one working day.