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chiezo

AI のための知識ベース。Wikipedia・OpenStreetMap・GeoNames の公式ダンプを SQLite (FTS5) に索引し、MCP と REST で AI に引かせる。AI が書き足せる notes と、Chiezo を道具として引くローカル LLM(agent モード・web 検索)も同梱。

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What's in it

Data offered docs-verified
Wikipedia dumps (jawiki full-text search) · OpenStreetMap place names and POIs per country (osm_<country>) · GeoNames worldwide place names · Overture Maps data (overture_japan)
Coverage llm-inferred
Global for GeoNames; OpenStreetMap by country; Overture Japan
Update frequency docs-verified
Manual: re-run the ingest container to refresh dumps; no schedule stated
Formats docs-verified
REST API (HTTP /v1/...) · MCP (HTTP endpoint /mcp) · SQLite (FTS5) local index
Access docs-verified
Free, self-hosted via Docker Compose; code under MIT; underlying data carries its own licences (CC BY-SA 4.0, ODbL 1.0, CC BY 4.0, CDLA/Apache 2.0)

Useful for

Use cases llm-inferred
Offline GeoNames place-name lookup to geocode site and locality names in desk studies · OpenStreetMap POI search for mapping nearby features as constraints context · Local gazetteer for client-facing reports, with attribution and ODbL/CC BY-SA compliance tracked
Audience llm-inferred
GIS analysts · desk-study environmental consultants · planners · developers integrating MCP tools

Limitations

Constraints llm-inferred
Docs give no UK-specific dataset; the ENTRY region is Global and examples are Japan-focused · Entry lists only the geonames and overture_japan tools; the Wikipedia search described in the docs is not among them · Sources must be ingested locally before use; jawiki build takes 2-6 hours and each source needs 2 GiB memory · Refresh is a manual re-ingest with no update schedule · Self-hosted server required; no hosted option stated · Data licences impose attribution and share-alike obligations when DB or results are distributed · MCP transport type is not stated in the docs

Example tool calls docs-verified

Query the GeoNames place-name index; argument schema is not documented in DOCS, so none are supplied

{
  "tool": "geonames",
  "arguments": {}
}
Licence
MIT
Authentication
Unknown — review source docs
GitHub stars
0
Last commit
16/10/2026
Last successful page check
14/10/2026
Page health
healthy
Package
Not recorded
Verification
Not independently verified

Auto-extracted, unverified fields: tools, auth. Check upstream documentation.

Provenance & evidence

Daily discovery 2026-10-16: GitHub search; verified via GitHub API. Tools/install/auth auto-extracted from README.

Metadata observed 14/10/2026 · daily-2026-10-16 (github-search)