"USPS" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Live USPS, UPS, FedEx and DHL rates from the US: domestic, Canada, UK, Germany, Australia. No scale.
Print and mail physical documents in the US via USPS, with quotes, agent payment and tracking.
Live river levels and stream-flow readings from USGS gauges, updated every 15 minutes.
Query real-time and historical USGS water data from ~8,000 stream gages and groundwater wells.
Live earthquake alerts from USGS: M2.5+ events 24h, magnitude, depth, location. $0.01/query.
USGS Earthquake Catalog MCP (FDSNWS event API).
Live USPS, UPS & FedEx shipping rates plus USPS postage and stamp prices. Free, no API key.
Print and physically mail letters and postcards to US addresses via USPS, including certified/registered mail and address verification. Paid per call in USDC on Base via the x402 protocol, no signup.
Real-time water levels and flow rates from USGS stream gauges
Real-time earthquake events from the US Geological Survey
USGS Water Services (NWIS) MCP.
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.
USGS Volcano MCP — Volcano Hazards Program HANS-public feed (no auth)
US shipping labels for AI agents: buy USPS/UPS/FedEx, track and refund via EasyPost.
Auto-detect carrier from tracking number: USPS, UPS, FedEx, DHL, India Post, more.
