mcp · Ireland

gaff-check

MCP server exposing Ireland's public property datasets (planning, sold prices, flood, radon, zoning, BER context) as tools for AI agents

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Data offered docs-verified: address geocoding (OpenStreetMap Nominatim) · planning applications (National Planning Application Database, DHLGH) · sold prices (Property Price Register, PSRA) · radon risk areas (EPA Radon Risk Map) · generalised land-use zoning (Myplan, DHLGH) · groundwater and historic flood extents (GSI flood mapping) · BER typical-for-age context and SEAI grant reference data (CSO EBA02) · recorded-crime category counts for Garda sub-district and wider Garda area (CSO CJA11/CJA39/CJQ10/CJQ11)
Coverage docs-verified: Ireland
Formats docs-verified: MCP stdio
Access docs-verified: Free and open source; no API key needed; runs locally via npx (Node.js 20+). Code licence MIT; returned data is subject to underlying public dataset licences (mostly CC-BY 4.0 / PSI). Catalogue licence field says 'Other'.

Use cases llm-inferred: Pre-acquisition screening of a site for flood, radon and zoning constraints · Planning-context scoping: nearby planning applications and zoning for a site appraisal · Sold-price context for a residential property in a feasibility or due-diligence note · Recorded-crime and BER area context as background in a property due-diligence brief
Audience llm-inferred: environmental consultants · flood risk consultants · planning consultants · property due-diligence analysts · GIS analysts

Constraints docs-verified: Returns records only; not a valuation engine · Eircode-only lookup is not supported; an address or rough location is needed · River and coastal flood models are not included (licence-restricted; check floodinfo.ie) · Zoning is generalised land-use zoning (Myplan), not a detailed parcel-level designation · Recorded crime is area-level CSO counts, not incidents at an address; homicide and sexual offences are not published at sub-district level · Early release (v0.2.0); post-launch reliability and upstream-drift detection are active priorities · Requires Node.js 20+; running npx alone waits for an MCP client and appears to hang

Licence: Other
Authentication: No API key required (repository README, auto-extracted; check upstream requirements)
GitHub stars: 7
Last commit: 15/08/2026
Last successful page check: 14/10/2026
Page health: healthy
Package: pypi:gaff-check
Verification: Not independently verified

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

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

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