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arcgis-mcp-bridge

Secure, local-first MCP server exposing ArcGIS Pro's ArcPy engine over stdio JSON-RPC.

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Data offered docs-verified: Map algebra · zonal stats · DEM slope/aspect/hillshade · hydrology · kernel density · Gi* hot spots · Moran's I · service areas and routing · OD cost matrix · closest facility · PDF/PNG map plots · FC/GDB lifecycle · overlays, dissolve/merge · CRS define/project for vector and raster
Formats docs-verified: ArcGIS geodatabase (.gdb) feature classes · ArcGIS Pro .aprx · Excel · GeoJSON · CSV · PDF · PNG · MCP stdio (JSON-RPC 2.0)
Access docs-verified: Requires Windows and a licensed ArcGIS Pro installation (Esri licence), plus Python 3.11+. Apache-2.0 licence. No credentials documented in README.

Use cases llm-inferred: Slope and aspect from a site DEM for drainage or earthworks setting-out (raster_operations) · Overlay and dissolve constraint layers such as flood zones and site boundaries in a project GDB (geometry_analysis) · Hot-spot or kernel density analysis of flood or incident records (spatial_statistics) · Export PDF/PNG map plates for planning or flood risk assessment submissions (export_layout)
Audience llm-inferred: GIS analysts · drainage engineers · hydrologists · civils/BIM engineers · planners

Constraints docs-verified: Windows only; needs a licensed ArcGIS Pro installation and its Python environment set as ARCPY_PYTHON_PATH · Automated tests use mocked arcpy; the 100 geoprocessing tools are not validated across scenarios on a licensed runtime · Ten state-mutating tools (e.g. delete_dataset, repair_geometry) refuse to run without confirm: true · Some tools need Esri Spatial or Network extension licences · Sketch-to-GIS demo is marked 'coming soon'

Tools/install/auth auto-extracted from README; quality score heuristic (stars, recency, tool count, licence).

Metadata observed 15/10/2026 · research sweep: github-search