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ZipTax Sales Tax API

https://mcp.zip-tax.com/sse

answers a handshake

Registry name
tax.zip/ziptax
Reports itself as
ZipTax Sales Tax API 1.0.1
Protocol version
2025-06-18
Transport
sse
HTTP status
200
Latency
232 ms
Tools
2
Checked
2026-09-06T08:29:25Z

Tools it reports

Check it yourself

curl -s -X POST https://mcp.zip-tax.com/sse \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"you","version":"0"}}}'