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mcp/harbor
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US Sales Tax Economic Nexus Check MCP

v1.0.0

io.github.nero-engine/us-sales-tax-nexus

Which US states must a remote seller register in for sales tax? Every state's nexus rule. Sourced.

transport:streamable-http tools:4
Website

Target client

run in your project directory 

claude mcp add --transport http us-sales-tax-nexus https://us-sales-tax-nexus.nerolabs.workers.dev/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

list_capabilities Read-only

list capabilities

check_economic_nexus Read-only

check economic nexus

list_nexus_thresholds Read-only

list nexus thresholds

list_upcoming_nexus_changes Read-only

list upcoming nexus changes

All 4 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.