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Nace MCP server

by DeJo90·io.github.DeJo90/nace-mcp·v1.0.1
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Browse, search and fuzzy-match NACE Rev. 2.1 economic activity classification codes.

B75/100grade B
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Safety scan
B75/100

full report

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If you have run it, two minutes of your experience saves the next person an afternoon.

Nace tools (4)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • nace_browse

    Returns direct children of a NACE code (code + label only). Omit parent_code to get all 22 top-level sections. Max 50 results.

  • nace_get

    Returns full details for a single NACE Rev. 2.1 code: code, label, level (section/division/group/class), and parent code.

  • nace_search

    Case-insensitive substring search across all 1,047 NACE Rev. 2.1 activity labels. Returns up to 10 matches with code, label, and level.

  • nace_suggest

    Fuzzy-match a free-text activity description to NACE Rev. 2.1 codes. Tokenizes the input, scores by matched terms, and returns the top 5 candidates with a reason. Ideal for AI agents classifying business activities.

Public scan report

scanner v0.1.10 · 2026-09-28 · same rubric, same numbers if you re-run it

no findings
  • Code scan6 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 221 days ago4/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 75/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install Nace in Claude Code, Cursor or VS Code

Runs npx -y nace-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add nace-mcp -- npx -y nace-mcp
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Nace: common questions

Is Nace MCP server safe?
Mostly: it is graded B (75/100). Read the Nace safety report
How do I install Nace?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Nace need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Nace maintained?
The last commit was 236 days ago (2026-02-19). The latest release is v1.0.1.
What can I use instead of Nace?
Servers from other publishers that do the same job: screenpipe MCP server, Claude Code Explorer MCP server and Clinicaltrialsgov MCP server. Compare all Nace alternatives.

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