"USPS" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Query real-time and historical USGS water data from ~8,000 stream gages and groundwater wells.
USGS commodity benchmarks, attested field run logs, and mining/geologic district data for AI agents. Nine data endpoints gated by x402 ($0.10 USDC on Base). Tools: get_commodity_benchmark (gold, silver, copper, and 17 more critical minerals), get_ultrasound_run_data (on-chain EAS-attested gravity-separation field runs), district.history (MRDS-sourced deposit and assay history by country/state/district), and ask_sales_agent. No API keys — pay per call in USDC.
River levels & flood alerts: USGS gauges. $0.01/query. Register in-session — free testnet funds.
Live USGS earthquake alerts: M2.5+ 24h, mag, depth. Register in-session — free testnet funds.
Real-time water levels and flow rates from USGS stream gauges
Real-time earthquake events from the US Geological Survey