OpenMapp is a free interactive map of 1,368 Brazilian Jiu-Jitsu (BJJ) gyms across 664 US cities. Travelers and practitioners can filter by open mats, visitor drop-in classes, weekly class schedules, and published visitor drop-in prices ($30 median across 720 priced US gyms) with no account required. OpenMapp also provides a free public remote MCP server at https://www.openmapp.com/mcp so AI assistants can search gyms, open mats, and drop-in policies directly.
Filter by open mats, visitor drop-in classes and weekly schedules. See published drop-in prices. Free public MCP server for AI assistants.
Find an open mat while traveling. Compare drop-in prices. Let an AI assistant search BJJ gyms.

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