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Spatial4j

Spatial4j is a Java geospatial utility library providing geometry modeling, coordinate handling, and spatial calculations for applications.

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Who maintains it

The owning organization (Eclipse Foundation) as a record of its own, linked to the repository.

What's around it

Related projects (Proj4J and others) and the articles that mention it, with their sources.

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MCP

curl -X POST https://mcp.decisioninsights.ai/api/mcp-public \
  -H "content-type: application/json" \
  -H "accept: application/json, text/event-stream" \
  -d '{"id":1,"jsonrpc":"2.0","method":"tools/call","params":{"arguments":{"slug":"spatial4j"},"name":"di_get_project"}}'

REST

GET https://api.decisioninsights.ai/api/public/v1/projects/e1737291-e95d-4986-bae8-a58aa8ff7bbe

CLI

di get-project --slug spatial4j

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Connect your agent (MCP) REST API and CLI docs

How an agent can check this project

The check What the record shows Where it is in the data
It's the right project locationtech.github.io/spatial4j, not another "Spatial4j" codeRepository
Someone stands behind it Maintained under Eclipse Foundation maintainer
View the raw record (JSON-LD) 
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