Korzy in Claude and ChatGPT

Ask about any U.S. site in the assistant you already use, and get the record with its source.

Connect in minutes

ChatGPT

  1. Plugins › + › Add custom MCP server
  2. Server URL: https://api.korzy.co/mcp, authentication OAuth
  3. Create as a plugin and sign in to Korzy

Needs ChatGPT developer mode, which a workspace admin turns on.

ChatGPT guide

You sign in with your Korzy account; plans start at $49 a month (pricing). Then ask about any U.S. site, for example whether a lot is in a mapped flood zone or what power plants are nearby.

Questions

What does Korzy do?

It lets Claude and ChatGPT look up U.S. land, power and infrastructure records, with sources.

What does it cost?

Plans start at $49 a month.

What does it cover?

Parcels across the U.S., plus flood and wetlands, utilities, power and grid, data centers, logistics and terrain.

How fresh is it?

Every record carries its as-of date. Data-center projects refresh weekly.

Do you provide owner data?

On request, for organizations that opt in.

For developers

Connect the Korzy MCP server at https://api.korzy.co/mcp, sign me in, then call list_fields.

Claude Code and Codex

claude mcp add --transport http korzy https://api.korzy.co/mcp
codex mcp add korzy --url https://api.korzy.co/mcp
codex mcp login korzy
Agent plugin

Hermes

mcp_servers:
  korzy:
    url: "https://api.korzy.co/mcp"
    headers:
      Authorization: "Bearer ${KORZY_API_KEY}"
Agent plugin

Test it: ask your agent to call list_fields (free). API keys and other clients: MCP docs. The JSON API: Korzy API.