mcp · Global

Arion

Arion is the first agentic AI desktop app for geospatial analysis, developed by GeoRetina Inc.

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Data offered docs-verified: map manipulation tools (add features, buffers, set view) · UI control tools · knowledge base queries over ingested PDF/DOCX/TXT documents · MapLibre GL rendering of geospatial data · local vector store RAG retrieval · LLM chat for geospatial queries and task automation
Formats docs-verified: PDF · DOCX · TXT (knowledge base ingestion)
Access docs-verified: Free and open source under GPL-3.0 or later (per docs). Desktop app; no binary releases yet, so build from source with npm. LLM provider keys not documented.

Use cases llm-inferred: Buffer and tag site or watercourse features on a map during constraints review · Query ingested drainage or flood reports (PDF/DOCX) via RAG for design criteria lookup · Run LLM analysis locally via Ollama on sensitive project data · Combine custom MCP geospatial tools with map-based analysis
Audience llm-inferred: GIS analysts · hydrologists · drainage engineers · flood consultants · planners

Constraints docs-verified: No prebuilt binaries yet; must build from source with Node.js 22+ and npm · Native modules (better-sqlite3, keytar) need platform build tools · SpatiaLite geospatial data operations are still in progress · Agentic Python/TypeScript workflows and the plugin system are planned, not shipped · Windows builds need Visual Studio Build Tools; Linux needs build-essential, python3, libsecret-1-dev

Geospatial deep dive (Glama/Smithery/GitHub). Tools/install/auth auto-extracted from README.

Metadata observed 15/10/2026 · research sweep: geo-deep-dive (geo-deep-dive:github-search-geo)