Atlas

Verified Integration

Author: @spawning•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect Atlas to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "atlas-11": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-atlas-11"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Query 128+ verified US county parcel ArcGIS REST endpoints for owner and APN lookups, abstracting complex ArcGIS API conventions.

Indexed Date

7/21/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Atlas

You can list all covered counties, find specific county endpoint details, retrieve full ArcGIS REST URLs, layer indexes, searchable fields, and construct precise ArcGIS REST query URLs for case-insensitive partial owner/taxpayer name matches.

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