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mcp/harbor
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Markbase Trademark Search MCP

v2026.11.5 changelog · 1

io.github.rad-soft/markbase

Search US trademarks, screen proposed names for conflicts, and look up USPTO registration records.

transport:stdio runtime:npm
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Target client

run in your project directory

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

claude mcp add markbase -e MARKBASE_API_KEY=<MARKBASE_API_KEY> -- npx -y @radsoft/markbase-mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.