Japan Geospatial Open Data MCP

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Works with Claude Desktop. Read the repository before you give any tool access to your data.

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What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools

7 read · 0 write · 0 deleteRead-only

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Tools (7)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

• geocode_japan

  Geocode a Japanese address to lat/lon using the official GSI address search API. Returns up to 10 candidate locations.

• get_estat_data

  Fetch statistics from Japan's e-Stat national statistics API (v3.0). Requires ESTAT_APP_ID env var (free registration). Known tables: population, population_age, vital_stats, household; or pass raw stats_data_id.

• get_estat_meta

  Fetch metadata (aggregation items, region items, classification items) for an e-Stat stats table. Requires ESTAT_APP_ID env var.

• get_gsi_tile

  Fetch a GSI (Geospatial Information Authority) map tile as a base64 image. Keyless. Layers: std, pale, seamlessphoto, nendophoto2022-2024, optimal_bvmap, blank, english, gazo1/gazo4 (historic aerial). Returns tile URL plus a base64 image.

• get_school_district_geojson

  Fetch school district GIS tile (XKT004) from MLIT Real Estate Information Library as GeoJSON. Requires REINFOLIB_API_KEY env var (free application). Tile coords: z=11..15, x/y from XYZ tiling at that zoom.

• list_data_sources

  List all open data sources this MCP server can access (GSI tiles/geocoder, e-Stat, MLIT national geographical info, MLIT real estate library) and which require API keys.

• list_school_districts

  List nationwide school district (A27 Kokuto Suuchi Jhouhou) GML/GeoJSON files from nlftp.mlit.go.jp (MLIT National Geographical Information, keyless). Used for school-catchment real estate analysis.

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Last commit

Oct 24, 2026 (5 days ago)

Last release

Oct 24, 2026 (5 days ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name

io.github.atushi1841/japan-geospatial-open-data-mcp

Version

1.0.6

Auth

No auth

Packages

mcpb https://github.com/atushi1841/japan-geospatial-open-data-mcp/releases/download/v1.0.0/japan-geospatial-open-data-mcp.mcpb

License

MIT

Repository

github.com/atushi1841/japan-geospatial-open-data-mcp

First seen

Oct 24, 2026

Last checked

Oct 25, 2026

Source

Official MCP Registrygithub-graphql