Gave my agent live patent data: Google Patents as JSON over MCP (claims, citations, family graphs)

Reddit r/AI_Agents Tools

Summary

The author built a service that exposes Google Patents data as structured JSON over MCP, letting AI agents query patent claims, citations, family graphs, and summaries across many patent offices, with pay-per-event pricing.

I kept hitting a wall giving agents patent data, since Google has no public Patents API anymore. So I built a callable one that returns Google Patents as structured JSON and works over MCP with Claude, Cursor, and ChatGPT. What an agent can pull per patent: full claims text backward and forward citation networks with counts worldwide family graphs CPC/IPC classifications, assignees, inventors, dates images and PDF URLs It also has a summary mode that returns top assignees, top inventors, and top CPC classes with percentage shares and year-by-year trends, so the agent can do landscaping without you post-processing the raw hits. Search runs across USPTO, EPO, WIPO, JPO, CN, KR, and 100+ offices. Pay-per-event, roughly 2 cents per page of ~10 patents. Happy to answer setup questions.
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