HSN Classifier MCP Server

by guptaprakhariitr Your server? Claim it

not responding

HSN Classifier is listed as active in the registry but did not answer our last check. It exposes 3 tools. Last commit 11 Jun 2026.

Look up Indian HSN and GST codes by description or product name (4,676 entries).

Uptime history 48 days of history · worst day 3%

48 days agonow

3.3%

Uptime 24h

3 of 91 checks

Tools

read from the server

269 ms

Response time

average over 24h

Stars

last commit 11 Jun 2026

HSN Classifier does not always answer

Over the last week it answered 3.4% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add hsn-classifier-mcp --transport http https://hsn-classifier-mcp.atlasword.workers.dev/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "hsn-classifier-mcp": {
      "url": "https://hsn-classifier-mcp.atlasword.workers.dev/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.hsn-classifier-mcp]
url = "https://hsn-classifier-mcp.atlasword.workers.dev/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "hsn-classifier-mcp": {
      "url": "https://hsn-classifier-mcp.atlasword.workers.dev/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "hsn-classifier-mcp": {
      "url": "https://hsn-classifier-mcp.atlasword.workers.dev/mcp"
    }
  }
}

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

classify

classify_product

Classify a product name into the most likely HSN code via keyword scoring. Returns {best, alternatives[], query, matched_tokens[]}. Best-effort: always returns a result (best may be null if nothing matched).

hsn

search_hsn

Free-text keyword search across HSN descriptions. Returns up to `limit` ranked matches (default 10, max 50). Use this when you have a product name but not a code.

lookup

lookup_hsn

Look up an HSN code (Harmonized System Nomenclature, used by Indian GST). Accepts 4-digit, 6-digit, or 8-digit codes (8-digit gets truncated to 6 then 4). Returns {code, description, gst_rate?}. Throws if no match.

Endpoints

URL	Transport	State	Latency	Checked
https://hsn-classifier-mcp.atlasword.workers.dev/mcp	streamable-http	answering	184 ms	12 min ago

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HSN Classifier — questions

Answers built from our own checks of this server.

What can HSN Classifier do?

It exposes 3 tools, read directly from the server on our last check. Among them: classify_product, lookup_hsn, search_hsn. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is HSN Classifier working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 3 of 91 checks got a reply (3.3%), average response time 269 ms. The bar chart above shows every period we have measured.

The registry lists HSN Classifier as active — why does it not respond?

The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.

How do I connect HSN Classifier?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does HSN Classifier need an API key?

No. HSN Classifier completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is HSN Classifier?

It answers our handshake in 269 ms on average, which is faster than 55% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is HSN Classifier open source?

We cannot say either way: written in TypeScript and 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.