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ClaudeChatGPTPerplexityGeminiMicrosoft CopilotRaycastMeta AIGrokZ.aiQwenKimi
DeepSeekMistralCursorVS CodeWindsurfJetBrainsClineLovableVercel AI SDKLangChain

Use HUD User with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Map ZIP codes to Census geographies via HUD User USPS Crosswalk API.

Included with plan

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

Waiting for input…

Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Complete set · 10 capabilities

The complete HUD User capability set.

These are the exact actions your AI can choose when you ask it to work with HUD User.

Capability set01 / 03

01-04

4 capabilities in this set.

Part of 10 available through HUD User.

  1. 01

    Cbsa to zip

    Maps CBSAs to ZIP codes

  2. 02

    Tract to zip

    Maps Census Tracts to ZIP codes

  3. 03

    Zip to cbsa

    Maps ZIP codes to Core Based Statistical Areas (CBSA)

  4. 04

    Zip to cd

    Maps ZIP codes to Congressional Districts

Capability set02 / 03

05-07

3 capabilities in this set.

Part of 10 available through HUD User.

  1. 05

    Zip to county

    Maps ZIP codes to Counties

  2. 06

    Cbsadiv to zip

    Maps CBSA Divisions to ZIP codes

  3. 07

    Cd to zip

    Maps Congressional Districts to ZIP codes

Capability set03 / 03

08-10

3 capabilities in this set.

Part of 10 available through HUD User.

  1. 08

    County to zip

    Maps Counties to ZIP codes

  2. 09

    Zip to cbsadiv

    Maps ZIP codes to CBSA Divisions

  3. 10

    Zip to tract

    Maps ZIP codes to Census Tracts

Observed, not estimated

899ms average. Fast in production.

HUD User is checked daily against the live service.

Daily averagePeak 1059ms
Aug 20Today
Fastest day
766ms
Slowest day
1059ms
14-day trend
Slowing+13%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 10 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of HUD User, so you can see the experience inside your AI.

It does not authenticate your account with HUD User. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

HUD User Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_gUO1oRPrTtBUQovf2DmeB4W5Yeva5U9zago7jKzy/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — HUD User capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "hud-user-usps-crosswalk-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_gUO1oRPrTtBUQovf2DmeB4W5Yeva5U9zago7jKzy/mcp"
    }
  }
}
  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Step-by-step instructions for each client are in the guide. How to connect

FAQ

Questions HUD User owners ask.

  • 01

    How do I get a HUD User Access Token?

    Register for an account at the HUD User API page (https://www.huduser.gov/portal/dataset/uspszip-api.html), confirm your email, and generate a token in your user dashboard.

  • 02

    Which year of data is used?

    By default, the API returns the most recent available data. You can optionally specify a year and quarter in each capability.

  • 03

    Does it support mapping Tracts back to ZIP codes?

    Yes, capabilities like tract_to_zip and county_to_zip allow bidirectional crosswalking between geography IDs and ZIP codes.

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