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arcgis-portal-mcp

Open-source MCP server for ArcGIS Portal and ArcGIS Online

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Data offered docs-verified: item search (feature services, web maps, layers, dashboards) · item metadata, tags and descriptions · layer schemas (fields, domains, subtypes, relationships, renderer) · feature query with attribute and spatial filters · feature add, update and delete in hosted feature layers · user and group management · GP task inspection and execution · map image export · portal admin (system info, licences, usage statistics)
Formats docs-verified: JPG · PNG · GIF · PDF · SVG
Access docs-verified: Open source, MIT licence (per catalogue metadata). Requires an ArcGIS Enterprise Portal or ArcGIS Online account: username/password in a .env file (recommended) or OAuth2 app credentials. The catalogue auth field says no credentials are documented, which conflicts with the DOCS.

Use cases llm-inferred: Portal content inventory and stale-content governance audit before handover of a project GIS deliverable · Broken-reference and service health check on web maps and layers before issuing them to field or client teams · Export of project web map layers as PNG/PDF for consultancy report figures · Attribute query of hosted feature layers (e.g. asset or site records) for data QA
Audience llm-inferred: GIS analysts · GIS and portal administrators · environmental and civils consultancy staff who manage ArcGIS Online or Enterprise content

Constraints llm-inferred: Independent open-source project, not affiliated with Esri (per DOCS disclaimer) · Requires portal credentials; catalogue auth field conflicts with DOCS · Many tools are write or destructive (delete, share, offboard_user, batch operations); read-only mode via MCP_READ_ONLY=true should be set for exploratory use · Admin tools such as portal_health require administrator privileges · Publishing behaviour is version-specific (fixes for ArcGIS Enterprise 12.x in v1.14.0) · Self-signed Enterprise certificates need MCP_TLS_VERIFY=false, which weakens TLS verification

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

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