Suxession — French Inheritance Tax Engine

French inheritance tax engine: simulate, compare scenarios, savings estimate, premium optimizer.

CommunityOnlineNo sign-inGlobalFreeRead-only

What it can do

    What data it sees

    Do you need an account

    No: the server works without sign-in

    French inheritance tax engine: simulate, compare scenarios, savings estimate, premium optimizer.

    How to connect

    How to connect Suxession — French Inheritance Tax Engine to Claude

    The server address to paste into Claude settings:

    https://suxession.fr/mcp

    1. Open Claude (claude.ai or the desktop app).
    2. Go to Settings → Connectors.
    3. Click Add custom connector.
    4. Paste the server address copied below into Remote MCP server URL and click Add.
    5. In a chat, click + → Connectors and switch the new connector on.

    Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

    Authorization

    After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

    How to connect Suxession — French Inheritance Tax Engine to ChatGPT

    The server address to paste into ChatGPT settings:

    https://suxession.fr/mcp

    1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
    2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
    3. Open Settings → Connectors and click Create.
    4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
    5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
    6. In a new chat open + → Apps/Connectors and enable the connector.

    OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

    Authorization

    On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

    How to connect Suxession — French Inheritance Tax Engine to Cursor

    The server address to paste into Cursor settings:

    https://suxession.fr/mcp

    Fastest: click Open in Cursor below and confirm the prompt.

    Manually:

    1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
    2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
    3. Save the file. The server appears in the MCP list; authorize it there if asked.

    Authorization

    If the service needs sign-in, an authorize button appears next to the server in the MCP list.

    Server tool list (5)

    Raw names from tools/list. Only developers need these.

    simuler_droits_successionCalcule les droits de succession français (cas simple) : patrimoine, conjoint, enfants, régime matrimonial. Réponse : droits par héritier + articles CGI de référence + liens guide. Gratuit, sans compte.
    comparer_scenariosCompare 1 à 5 scénarios de transmission (ex. usufruit total vs quart en pleine propriété), second décès inclus si conjoint. Gratuit. La projection « donation vs succession » (transmission de son vivant) est une analyse premium, hors de ce périmètre gratuit.
    estimer_economie_optimisationEstime le montant EXACT de l'économie potentielle via les 25 leviers d'optimisation (gratuit, même calcul que le site). Les leviers individuels ne sont jamais nommés ni chiffrés dans la réponse ; prix (99 €, paiement unique) et lien de paiement inclus. Les leviers détaillés sont révélés par explorer_optimisations après achat.
    deverrouiller_accesActive l'accès premium à partir du code d'accès reçu après paiement (affiché sur la page de confirmation). Le code est transmis tel quel, sans modification.
    explorer_optimisationsRésultats de l'optimiseur complet (premium, accès 99 €) : nécessite un accès actif déverrouillé via deverrouiller_acces. Retourne les stratégies d'optimisation complètes : leviers, montants, articles CGI, avertissements. La mise en place se finalise avec un notaire.