Agent Tools
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Dutyfinch

https://dutyfinch.cybermaxtools.com/mcp?via=mcp-registry
● healthy

US tariff API + MCP: HTS duty rates, Section 301 lists. Keys $19/mo; 50 free calls a day.

Transport
streamable-http
Auth
—
Cost
—
Protocol revision
2025-11-25
negotiated, not declared

Listed in

Directories this entry was found in.

mcp-registry wellknown ↗

How to connect

MCP endpoint (streamable-http)
https://dutyfinch.cybermaxtools.com/mcp?via=mcp-registry
JSON-RPC initialize probe
curl -X POST https://dutyfinch.cybermaxtools.com/mcp?via=mcp-registry \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'
Homepage
https://cybermaxtools.com/store/dutyfinch-api/?s=mcp-registry-dutyfinch
Source code
https://gitlab.com/CyberMax.tools/agent-tools