Side-by-Side Model Context Protocol Comparison
Arcgis Chatham vs Arcgis Loudoun
In-depth architectural comparison of the Arcgis Chatham and Arcgis Loudoun 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 Chatham
Developer Tools · Local stdio
Quality: 44/100 (Fair) | Auth: No auth required
Arcgis Loudoun
Developer Tools · Local stdio
Quality: 44/100 (Fair) | Auth: No auth required
Verdict Summary: Choose Arcgis Chatham if you need specialized Developer Tools tools running via a local process. Choose Arcgis Loudoun 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?
A
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.
A
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.
Feature & Specification Comparison
Tools & Capabilities Breakdown
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.
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 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.
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 Chatham Configuration
Arcgis Loudoun Configuration