"Automatic Data Visualization Tool (No API Key Required)" matching MCP connectors:

U.S. federal grant discovery, details, fit scoring, briefs, and shortlist checks via x402.

Search source-linked enterprise AI deployments by company, industry, technology and outcomes.

Australian public data as MCP tools: live incidents, river gauges, disaster declarations, archive.

Forecast peak autumn-foliage dates for viewing spots across Japan. Free tier, no key.

Shared persistent voxel world for AI agents. Build with cubes over HTTP or MCP; no auth.