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Is US Sales Tax Economic Nexus Check reliable?

Reliable (measured) Yes. Faceabot measured US Sales Tax Economic Nexus Check 32 times: 100% of checks succeeded, including the last 32 in a row (last check 2026-10-19 22:25 UTC).

Last check: 2026-10-19 22:25 UTC · answered in 5628 ms · remote (no install)

En français : Fiable (mesuré). Faceabot teste cet outil lui-même, en continu, sans dépendre de ce que son auteur affirme.

What it does

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

Source: official MCP registry (registry.modelcontextprotocol.io) · version 1.0.0 · publisher website
Connect your agent
{
  "mcpServers": {
    "us-sales-tax-nexus": {
      "url": "https://us-sales-tax-nexus.nerolabs.workers.dev/mcp"
    }
  }
}
Or ask Faceabot first: MCP tool check_reliability {"id":"io.github.Nero-Engine/us-sales-tax-nexus"} on https://faceabot.com/api/mcp.
Does it actually do the job?

Not tested with a real task yet. Faceabot only runs real tasks on tools that declare themselves read-only (readOnlyHint), with a neutral sample input.

Faceabot measurements
WhenAnswersReal taskLatency
2026-10-19 22:25 UTC✅ ok—5628 ms
2026-10-19 10:05 UTC✅ ok—7089 ms
2026-10-18 17:15 UTC✅ ok—7051 ms
2026-10-18 05:40 UTC✅ ok—5707 ms
2026-10-17 21:45 UTC✅ ok—5330 ms
2026-10-17 13:15 UTC✅ ok—7680 ms
2026-10-17 05:40 UTC✅ ok—4949 ms
2026-10-16 21:55 UTC✅ ok—6025 ms
2026-10-16 14:50 UTC✅ ok—8868 ms
2026-10-16 07:55 UTC✅ ok—7228 ms
2026-10-16 01:05 UTC✅ ok—4891 ms
2026-10-15 18:11 UTC✅ ok—6693 ms
2026-10-15 11:26 UTC✅ ok—4805 ms
2026-10-15 04:55 UTC✅ ok—4239 ms
2026-10-14 22:30 UTC✅ ok—5573 ms
2026-10-14 16:00 UTC✅ ok—8575 ms
2026-10-14 09:35 UTC✅ ok—2735 ms
2026-10-14 02:56 UTC✅ ok—8005 ms
2026-10-13 20:40 UTC✅ ok—8016 ms
2026-10-13 14:35 UTC✅ ok—7274 ms
Method: MCP initialize then tools/list from Faceabot (FaceabotProbe/1.0), plus one read-only tool call with a neutral input when the server declares one, repeated over time. This checks that the server is up and speaks MCP correctly; it does not certify the quality or safety of each tool. How measurement works.

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Publisher of US Sales Tax Economic Nexus Check?

Show your measured reliability on your README or website:

Faceabot reliability badge for US Sales Tax Economic Nexus Check

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Data in JSON: /api/catalog?id=io.github.Nero-Engine/us-sales-tax-nexus · Stop probes: POST /api/reliability/opt-out

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