Recherche d'établissements de santé FINESS dans un rayon géographique (PostGIS ST_DWithin). Filtrable par familles. 24 valeurs disponibles : mco, ssr, sld, had, psychiatrie, dialyse, ambulatoire, labo, imagerie, pharmacie, msp_cpts, ehpad, residence_autonomie, senior_accompagnement, ssiad, aide_d...
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AI agents call etablissements_finess_in_radius to retrieve information from France Data Mcp without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though etablissements_finess_in_radius only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"etablissements_finess_in_radius": {}
}
}See the full France Data Mcp policy for all 36 tools.
These attack patterns abuse exactly the kind of access etablissements_finess_in_radius gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Recherche d'établissements de santé FINESS dans un rayon géographique (PostGIS ST_DWithin). Filtrable par familles. 24 valeurs disponibles : mco, ssr, sld, had, psychiatrie, dialyse, ambulatoire, labo, imagerie, pharmacie, msp_cpts, ehpad, residence_autonomie, senior_accompagnement, ssiad, aide_domicile, handicap_enfants, handicap_adultes, addictologie, enfance_protection, pmi, hebergement_social, prevention_sante, groupement. Source : FINESS / DREES (dump CSV ingéré localement). Note : champ email toujours null (non exposé par FINESS public). Note : raison_sociale provient du dump DREES qui abrège les libellés longs (~38 car. max, ex 'CERBALLIANCE HA' pour 'CERBALLIANCE HAZEBROUCK'). Pour le nom légal complet, cross-check via SIREN/SIRET (entreprise_by_siren / etablissement_by_siret). Lentille : un filtre familles compte les établissements par leur catégorie FINESS *principale*. Les activités hébergées dans un site d'une autre catégorie (ex. plateau de biologie d'un hôpital sous famille=labo) ne sont pas comptées — voir le champ perimetre de la réponse. La famille imagerie renvoie le plus souvent 0 résultat (FINESS ne répertorie pas les cabinets d'imagerie).. It is categorised as a Read tool in the France Data Mcp MCP Server, which means it retrieves data without modifying state.
Register the France Data MCP server in PolicyLayer and add a rule for etablissements_finess_in_radius: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches France Data Mcp. Nothing to install.
etablissements_finess_in_radius is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the etablissements_finess_in_radius rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for etablissements_finess_in_radius. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
etablissements_finess_in_radius is provided by the France Data MCP server (france-data-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 36 France Data Mcp tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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