What is the key difference between Arcgis Loudoun and Arcgis Chatham?

Arcgis Loudoun belongs to the Developer Tools category with local stdio execution, while Arcgis Chatham belongs to the Developer Tools category with local stdio execution.

How do I install Arcgis Loudoun or Arcgis Chatham in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Arcgis Loudoun and Arcgis Chatham free or paid?

Arcgis Loudoun operates under a Free / Open Source model (No auth required). Arcgis Chatham operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Arcgis Loudoun lists 3 tools with 0 views and 0 GitHub stars. Arcgis Chatham lists 3 tools with 0 views and 0 GitHub stars.

Can I use both Arcgis Loudoun and Arcgis Chatham together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Arcgis Loudoun vs Arcgis Chatham

In-depth architectural comparison of the Arcgis Loudoun and Arcgis Chatham MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Arcgis Loudoun

Developer Tools · Local stdio

Quality: 44/100 (Fair) | Auth: No auth required

Arcgis Chatham

Developer Tools · Local stdio

Quality: 44/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Arcgis Loudoun if you need specialized Developer Tools tools running via a local process. Choose Arcgis Chatham if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Arcgis Loudoun when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: search_datasets, query_layer, layer_info.

Explore Arcgis Loudoun Details

Choose Arcgis Chatham when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: search_datasets, query_layer, layer_info.

Explore Arcgis Chatham Details

Feature & Specification Comparison

Specification	A Arcgis Loudoun Developer Tools	A Arcgis Chatham Developer Tools
Summary	Loudoun County GIS — Loudoun County, Virginia open geospatial data (ArcGIS).	Chatham County GIS — Chatham County, Georgia open geospatial data (ArcGIS).
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Arcgis Loudoun Tools (3)

search_datasets

Search Loudoun County GIS open geospatial datasets (parcels, addresses, zoning & public works) by keyword. Returns each dataset's name, summary, record_count, owner/org, and its Feature Service `url` — pass that url to query_layer / layer_info.

query_layer

Query an ArcGIS Feature Service / Map Service layer by its url (from search_datasets). SQL-like `where`, comma-separated `out_fields`, `order_by`, `limit`, `offset`. Returns attribute rows (and geometry). Use where="1=1" + out_fields="*" to sample.

layer_info

Get an ArcGIS Feature/Map Service layer's schema by url: fields (name + type), geometry type, total record count, and capabilities.

Arcgis Chatham Tools (3)

search_datasets

Search Chatham County GIS open geospatial datasets (parcels, addresses, zoning & public works) by keyword. Returns each dataset's name, summary, record_count, owner/org, and its Feature Service `url` — pass that url to query_layer / layer_info.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Arcgis Loudoun Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "arcgis-loudoun": {
      "command": "npx",
      "args": [
        "-y",
        "arcgis-loudoun"
      ]
    }
  }
}

Arcgis Chatham Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "arcgis-chatham": {
      "command": "npx",
      "args": [
        "-y",
        "arcgis-chatham"
      ]
    }
  }
}

Frequently Asked Questions

Arcgis Loudoun is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Arcgis Chatham belongs to Developer Tools using local stdio subprocess. Select Arcgis Loudoun when you need capabilities focused on developer tools and Arcgis Chatham when you require tools for developer tools.

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