US Sales Tax Economic Nexus Check

Which US states must a remote seller register in for sales tax?

Connector by Nero-Engine · GitHub account verified by the MCP Registry

IndexedLicense unknownRemote (HTTP)

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Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/nero-engine-us-sales-tax-nexus

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

https://us-sales-tax-nexus.nerolabs.workers.dev/mcp Remote (HTTP)

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About

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

Reviews

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Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools: 4 read · 0 write · 0 deleteRead-only
Secrets: None asked for
Install scripts: Nothing to install (hosted)
Runs as: Hosted (remote endpoint)

Tools by what they do 4

From the running server's own tool list (tools/list) on Oct 25, 2026.

Read 4 · Look things up without changing anything.

check_economic_nexus
list_capabilities
list_nexus_thresholds
list_upcoming_nexus_changes

Network hosts it talks to 1

us-sales-tax-nexus.nerolabs.workers.dev · found in remote endpoint, install command

Tools (4)

As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].

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 sales made through marketplaces such as Amazon or Etsy. Returns states where the seller is over the economic nexus threshold (must register), states close to it (80 percent or more), states under it, and for each the threshold, the measurement period the state uses, what sales count (gross, retail or t…
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.
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.

Signals

Last release: Oct 10, 2026 (20 days ago)

Details

Registry name: io.github.Nero-Engine/us-sales-tax-nexus
Version: 1.0.0
Auth: Auth not stated
License: License unknown
Website: us-sales-tax-nexus.nerolabs.workers.dev/
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: Official MCP Registry

Rank

of 44,833 in Connectors

Score

0.543

Security 30%not yet
Popularity 25%0.30
Freshness 20%1.00
Rating 15%not yet
Docs 10%0.58

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Grades

Freshness

Active in the last 30 days. Last activity 20 days ago.

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Security

Security scan: in progress. Grades from our dependency, secret, code and prompt-injection checks appear here once they launch. Until then, check the code before you install.

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Found automatically from a public source. Not yet claimed by its publisher.

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Availability

100% uptime, last 30 days (1 check)

Last check: 5 days ago
Status: Up
Median response: 443 ms

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Down
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Cite this page

US Sales Tax Economic Nexus Check MCP server. Agent Mart. https://agentmart.dev/connectors/nero-engine-us-sales-tax-nexus (last updated 2026-10-24)