← La Grande CarteCONTENT HISTORY
WHAT CHANGED
added
Update to La Grande Carte
Snapshot Oct 28, 2026 · 13:12 UTC · version 1.0.0
Package or technical metadata updated
Package or technical metadata updated
Observed in package metadata. These changes alone do not establish a new customer-facing feature.
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Is v2 template
Before
Oct 25, 2026 · 12:05 UTC
Not present
After
Oct 28, 2026 · 13:12 UTC
false
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added /is_v2_template
BEFORE
Field was absent
AFTER
false
Full snapshot data
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"created_at": "2026-10-12T14:26:46.236974Z",
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"description": "French public open data on every commune, département, région, address and cadastral parcel.",
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"interface": {
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"Assess risks, zoning and sales at an address",
"Compare towns, départements and régions",
"Find the cadastral parcel at an address or a point"
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"category": "Data & Analytics",
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"default_prompt": "What should I know about living in Bosdarros? How good is the tap water?",
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"What should I know about living in Bosdarros? How good is the tap water?",
"Natural risks, zoning and recent sales at 4 rue Porte Jaune, Bourges?",
"Compare median income, rents and crime between Pau and Tarbes."
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"developer_name": "La Grande Carte",
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"long_description": "La Grande Carte gives ChatGPT read-only access to French public open data, curated and cross-referenced from about 40 official sources (INSEE, DGFiP, IGN, Géorisques, ADEME, ARS, SSMSI…).\n\nAsk about any of France's ~35,000 communes: population, income and poverty, housing and advertised rents, tap-water quality, air quality, crime, climate, travel times, amenities, municipal finances, mayor and election results. Ask about a specific address or cadastral parcel: natural and industrial risks (flood, clay shrink-swell, radon, seismic, polluted sites), urban-planning zoning, recent property sales, energy ratings, noise, fibre and mobile coverage, protected areas and heritage. Départements, overseas included, and régions come with their own statistics.\n\nUseful before moving, buying or renting, for due diligence on an address, to compare towns, and for local journalism or research on public statistics.\n\nLimitations: France only (metropolitan France and the overseas départements). Read-only: it never changes anything. Owner names are not part of the public data and are never returned. Figures come from the latest official release of each source, which can be one to three years old. All data is under the Etalab Open Licence 2.0.\n\nConnecting asks you to sign in to a La Grande Carte account (email and password, or Google).",
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"short_description": "French open data, any address",
"terms_of_service_url": "https://lagrandecarte.fr/terms",
"website_url": "https://lagrandecarte.fr"
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