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io.github.sthan-io/mcp-server

by · github.com/sthan-io/mcp-server

US address verification, parsing, autocomplete, geocoding, and IP geolocation APIs.

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About io.github.sthan-io/mcp-server

io.github.sthan-io/mcp-server is an MCP server published by sthan-io in the Search category: uS address verification, parsing, autocomplete, geocoding, and IP geolocation APIs.

Recent commit activity is the strongest signal that reported issues will get attention.

Install

Claude Code
claude mcp add io-github-sthan-io-mcp-server -- npx -y @sthan/mcp-server
npx
npx -y @sthan/mcp-server

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

Tools (8)

sthan_autocomplete_addressSuggest complete US addresses from partial input. Sub-100ms.

Parameters not published.

sthan_autocomplete_citySuggest US cities from partial input, with state code.

Parameters not published.

sthan_autocomplete_zipcodeSuggest US ZIP codes from partial input.

Parameters not published.

sthan_geocodeUS address → latitude/longitude with accuracy + confidence.

Parameters not published.

sthan_ip_geolocationIPv4 or IPv6 → country, region, city, coordinates, timezone, postal code.

Parameters not published.

sthan_parse_addressParse freeform US address text into structured components (street number, name, type, direction, unit, city, state, zip).

Parameters not published.

sthan_reverse_geocodeLatitude/longitude → nearest US street address with distance in meters.

Parameters not published.

sthan_verify_addressVerify a US address is real and deliverable. Returns standardized format, ZIP+4, DPV, residential/commercial.

Parameters not published.

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Security checks

  • ✓README presentThe repository ships documentation.

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README

Sthan MCP Server

npm version

MCP server for sthan.io — give your AI assistant the ability to verify, parse, autocomplete, and geocode US addresses, and look up IP geolocation. Works with Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, and any MCP-compatible client.

8 tools · TypeScript · stdio transport · Free tier, no credit card required.

Why use it

  • Real US postal data — addresses are verified against authoritative postal records, not heuristics. Returns delivery point validation (DPV), ZIP+4, residential/commercial flag.
  • Sub-100ms autocomplete — typeahead-grade response times for address, city, and ZIP suggestions.
  • Strong geocoding — forward geocoding returns accuracy classification (rooftop / interpolated / centroid / approximate) plus a confidence score, so your AI knows when to trust the result.
  • IPv4 + IPv6 geolocation — country, region, city, coordinates, timezone, postal code.
  • Free tier with no credit card — get a key in under a minute at sthan.io/dashboard.

Tools

Tool What it does
sthan_verify_address Verify a US address is real and deliverable. Returns standardized format, ZIP+4, DPV, residential/commercial.
sthan_parse_address Parse freeform US address text into structured components (street number, name, type, direction, unit, city, state, zip).
sthan_autocomplete_address Suggest complete US addresses from partial input. Sub-100ms.
sthan_autocomplete_city Suggest US cities from partial input, with state code.
sthan_autocomplete_zipcode Suggest US ZIP codes from partial input.
sthan_geocode US address → latitude/longitude with accuracy + confidence.
sthan_reverse_geocode Latitude/longitude → nearest US street address with distance in meters.
sthan_ip_geolocation IPv4 or IPv6 → country, region, city, coordinates, timezone, postal code.

Quick start

1. Get a free API key

Sign up at sthan.io and create a key from the dashboard. No credit card.

2. Add to your MCP client

Claude Desktop / Claude Code (~/.claude/mcp.json or project .claude/mcp.json):

{
  "mcpServers": {
    "sthan": {
      "command": "npx",
      "args": ["-y", "@sthan/mcp-server"],
      "env": { "STHAN_API_KEY": "sthan_test_your_key_here" }
    }
  }
}

Cursor (.cursor/mcp.json):

{
  "mcpServers": {
    "sthan": {
      "command": "npx",
      "args": ["-y", "@sthan/mcp-server"],
      "env": { "STHAN_API_KEY": "sthan_test_your_key_here" }
    }
  }
}

VS Code (settings.json):

{
  "mcp.servers": {
    "sthan": {
      "command": "npx",
      "args": ["-y", "@sthan/mcp-server"],
      "env": { "STHAN_API_KEY": "sthan_test_your_key_here" }
    }
  }
}

Example prompts

Once configured, just ask your AI assistant naturally:

  • "Is 123 Main St, New York, NY 10001 a real, deliverable address?"
  • "Parse this address: apt 2b 500 broadway new york ny"
  • "What are the coordinates of 1600 Pennsylvania Ave, Washington DC?"
  • "What's the nearest address to 40.7128, -74.0060?"
  • "Where is IP 8.8.8.8 located?"
  • "Suggest US cities starting with 'San Fr'."

Environment variables

Variable Required Description
STHAN_API_KEY Yes Your sthan.io API key (sthan_test_* for development, sthan_live_* for production)
STHAN_API_URL No Override base URL (default: https://api.sthan.io)

Packages

This monorepo publishes two packages:

Package npm Purpose
@sthan/mcp-server npm The MCP server itself — the binary that your client launches
@sthan/core npm TypeScript SDK for direct programmatic use of sthan.io APIs

Development

git clone https://github.com/sthan-io/mcp-server.git
cd mcp-server
npm install
npm run build --workspaces

Then run the server with STHAN_API_KEY=sthan_test_... node packages/mcp-server/dist/index.js.

Links

License

MIT — see LICENSE.

README copy captured when this server was indexed; it may lag the repository. The original is authoritative.

Questions

About io.github.sthan-io/mcp-server

How do I install io.github.sthan-io/mcp-server?

Run claude mcp add io-github-sthan-io-mcp-server -- npx -y @sthan/mcp-server, then add the server to your MCP client's configuration.

Is io.github.sthan-io/mcp-server safe to use with an AI agent?

Its trust score is 37 out of 100 (low). It passes 1 of the 1 static security checks run so far. It has no ConduID identity yet, so agent calls to it are not receipted.

Is io.github.sthan-io/mcp-server still maintained?

Yes — the last commit was 6 days ago. The repository has 0 stars and 0 forks.