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Shipping Rates & Postage Calculator

https://onlineshippingcalculator.com/api/mcp

● healthy

conformance: fail

Transport

streamable-http

Auth

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Cost

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How to connect

MCP endpoint (streamable-http)

https://onlineshippingcalculator.com/api/mcp

JSON-RPC initialize probe

curl -X POST https://onlineshippingcalculator.com/api/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'

Homepage

https://onlineshippingcalculator.com/api/mcp

Listed at (mcp-registry)

https://chiark.ai/agents/2fd92971-918b-4f0d-a194-0f54210a225e