In-depth architectural comparison of the Arcgis Courtenay and Data Reunion 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 Courtenay
Developer Tools · Local stdio
Quality: 44/100 (Fair) | Auth: No auth required
Data Reunion
Developer Tools · Local stdio
Quality: 44/100 (Fair) | Auth: No auth required
Verdict Summary: Choose Arcgis Courtenay if you need specialized Developer Tools tools running via a local process. Choose Data Reunion 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 Courtenay 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).
Search City of Courtenay GIS open geospatial datasets (parcels, zoning, parks & city services) 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.
Data Reunion Tools (3)
search_datasets
Search Réunion Open Data for datasets by keyword (regional services, transport, environment & economy). Returns dataset_ids (pass to query/dataset_info), titles, themes and record counts.
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 Courtenay is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Data Reunion belongs to Developer Tools using local stdio subprocess. Select Arcgis Courtenay when you need capabilities focused on developer tools and Data Reunion when you require tools for developer tools.