fiscal_synthese
QUAND un bailleur se demande s'il a intérêt au micro-foncier ou au réel — typiquement à l'approche de la déclaration. INDICATIF. Synthèse fiscale revenus fonciers (INDICATIVE) : compare micro-foncier (abattement 30 %, seuil 15 000 €) et régime réel (2044). À titre indicatif dans la limite des doc...
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What fiscal_synthese does on Immobilier
AI agents use fiscal_synthese to create or update resources in Immobilier, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Immobilier environment.
| Parameter | Type | Required | Description |
|---|---|---|---|
annee | integer | — | Année fiscale concernée, sur quatre chiffres. |
format | string | — | Défaut json côté MCP (retour structuré) |
agence_nom | string | — | Agence qui établit la synthèse. |
recettes_brutes | number | Yes | Loyers encaissés sur l'année, charges récupérées comprises, en euros. |
proprietaire_nom | string | — | Propriétaire concerné par la synthèse. |
charges_deductibles | number | Yes | Charges déductibles réellement payées sur l'année, en euros — travaux, intérêts, taxe foncière, assurance. |
proprietaire_adresse | string | — | Adresse du destinataire. Sert au bloc fenêtre : il est poussé À DROITE pour une enveloppe à fenêtre. |
Parameters from the server's own tool schema.
Why fiscal_synthese is rated Medium
An AI agent can call fiscal_synthese faster than any human can review: one bad instruction and it creates or modifies resources in Immobilier by the hundred, each call as confident as the last.
Attacks that exploit this kind of access
The rule that runs fiscal_synthese safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Immobilier, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For fiscal_synthese, this is the rule to start with:
fiscal_synthese stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Immobilier, apply this rule, and every fiscal_synthese call is checked against it from then on.
Questions about fiscal_synthese
QUAND un bailleur se demande s'il a intérêt au micro-foncier ou au réel — typiquement à l'approche de la déclaration. INDICATIF. Synthèse fiscale revenus fonciers (INDICATIVE) : compare micro-foncier (abattement 30 %, seuil 15 000 €) et régime réel (2044). À titre indicatif dans la limite des documents/données fournis — ni conseil fiscal ni déclaration ; renvoyer vers un professionnel. JSON via REST /api/v1/fiscal/synthese (format=json) ou PDF. Stateless — recettes_brutes + charges_deductibles. It is categorised as a Write tool in the Immobilier MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
fiscal_synthese accepts 7 parameters: annee, format, agence_nom, recettes_brutes, proprietaire_nom, charges_deductibles, proprietaire_adresse. Required: recettes_brutes, charges_deductibles. The full parameter table on this page comes from the server's own tool schema.
Register the Immobilier MCP server in PolicyLayer and add a rule for fiscal_synthese: 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 Immobilier. Nothing to install.
fiscal_synthese is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the fiscal_synthese 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 fiscal_synthese. 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.
fiscal_synthese is provided by the Immobilier MCP server (https://synergieloc.fr/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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