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US Sales Tax Economic Nexus Check

io.github.Nero-Engine/us-sales-tax-nexus · v1.0.0

Measured by MCP Station

Description written by the publisher, not verified

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

Connect

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

{
  "mcpServers": {
    "us-sales-tax-nexus": {
      "url": "https://us-sales-tax-nexus.nerolabs.workers.dev/mcp"
    }
  }
}

Tools as reported by the server

• list_capabilities
  Lists coverage (45 sales tax states plus DC, and the 5 states with no statewide sales tax), the date the data was last checked, and related Nero Labs Rules servers. Free.
• check_economic_nexus
  Checks which US states a remote seller (no office, staff or stock in the state) must register in to collect sales tax, from its sales into each state. Give sales_by_state with the dollar sales and number of transactions (orders) per state, the period those figures cover, and whether they include sal
• list_nexus_thresholds
  Lists the economic nexus threshold of every US sales tax state (or one state) on a date: dollar and transaction thresholds, and/or logic, measurement period, what counts, marketplace rules, when to register and the official source. Also lists the states with no statewide sales tax. Free.
• list_upcoming_nexus_changes
  Lists economic nexus threshold changes in a date window (for example states dropping the 200 transaction test), soonest first, with the old and new rule and source. Use a past from_date to see recent changes. Free.

Website · JSON · Text for agents · Registry updated 2026-10-10