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Notaire — French Notarial & Property Law Copilot

A legal copilot for French real estate, inheritance, gifting, family and company law that computes notary fees and taxes and drafts working versions of notarial deeds.

Docs & OfficeIntermediate★ 2,366⑂ 180AI score 9/10Last updated: Aug 10, 2026

What it does

Turns Claude into a structured assistant for French notarial practice.

  • Fee and tax calculations: notary costs (DMTO transfer duties, scale-based emoluments, disbursements, CSI), property capital-gains tax, inheritance and gift duties, usufruct/bare-ownership valuation (art. 669 CGI)
  • Deed drafting: nine templates — sale pre-contract (compromis), SCI articles, simple gift, gift between spouses, succession declaration checklist, act of notoriety, holographic will, PACS agreement, separation-of-property marriage contract
  • Mandatory due-diligence checks: urban planning/PLU, pre-emption rights, mortgage status, required survey reports, condominium documents, easements, ERP risk statement
  • Open-data integration: helper script hitting BAN geocoding, DVF sold-price comparables, cadastre parcels, Géorisques, GPU zoning and company registry — no auth needed
  • Enforced answer shape: Facts / Assumptions / Analysis / Calculations / Risks / Actions / Limits, with statutory citations required

Who it's for

  • Anyone buying, selling or inheriting property in France
  • Notary clerks, estate agents and wealth-management advisers working under French law
  • Expats and foreign investors dealing with French paperwork
  • Users who want cited, itemised legal-tax reasoning rather than vague summaries

France-specific; it does not transfer to other jurisdictions.

Examples

  1. "Total notary costs for a €450,000 resale flat in Paris 11e?" → itemised DMTO, emoluments and disbursements with legal references
  2. "Second home bought in 2009 for €180,000, selling at €320,000 — what capital-gains tax?" → holding-period allowances plus surtax
  3. "Estate with €400,000 of property and a life-insurance policy, surviving spouse and two children" → devolution, allowances, reserved share, 12-step workflow
  4. python scripts/fetch_notaire_data.py rapport "12 rue de Rivoli, Paris" for a combined comparables, risk and zoning report

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/romainsimon/paperasse/HEAD/notaire/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the notaire folder from the GitHub repo romainsimon/paperasse into my ~/.claude/skills/notaire/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/romainsimon/paperasse.git && mkdir -p ~/.claude/skills && cp -r paperasse/notaire ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal (Terminal on macOS/Linux, PowerShell or WSL on Windows).
  2. Clone the repository: git clone https://github.com/romainsimon/paperasse.git
  3. Create the skills directory if needed: mkdir -p ~/.claude/skills
  4. Copy just this skill: cp -r paperasse/notaire ~/.claude/skills/
  5. Confirm ~/.claude/skills/notaire/ contains SKILL.md, references/, templates/, data/ and scripts/.
  6. For the open-data helper script, install Python 3 and its dependency: python3 -m pip install requests
  7. Restart Claude Code and ask something like "calculate the frais de notaire for a Paris apartment" to trigger the skill.
  8. Optional: for live legislation lookups via the Légifrance PISTE API, register at developer.aife.economie.gouv.fr and obtain OAuth 2.0 credentials.
  9. Rates and allowances change yearly — if the frontmatter last_updated is older than six months, re-verify figures on legifrance.gouv.fr and impots.gouv.fr before relying on them.
View source on GitHub ↗License: MIT