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france-data-mcp: Instructions file for Claude Code

CLAUDE.md

france-data-mcp CLAUDE.md is an instructions file for Claude Code from cturkieh/france-data-mcp. It costs 1,982 tokens per session, scanned A, original, MIT.

Project instructions for the france-data-mcp codebase, which provides data-related software and an MCP server. They document its TypeScript, Vercel, Supabase, database, testing, and release setup.

In plain words
What is it for?
Use them when changing the library or hosted endpoints, running checks, preparing releases, or deciding how production changes are approved and deployed.
Why use it?
They give contributors the project-specific rules for testing, type checking, deployment, and handling sensitive health-related production data.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: reads .claude/ paths; mentions CLAUDE.md.

This is cturkieh/france-data-mcp's own configuration. It tells Claude Code how to work on france-data-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything france-data-mcp configures →

not rated 4repo changed 1mo ago A scan 1,982 tokens original MIT
View source ↗ cturkieh/france-data-mcp france-data-mcp.vercel.app
Reuse

Borrowing it

Nothing to install: this file belongs to cturkieh/france-data-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/cturkieh/france-data-mcp/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/cturkieh/france-data-mcp

Made for: Claude Code.

Wrote this? Show the measurements

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README.md
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Per session 1,982 This file is loaded in full into every session.
When invoked 1,982 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.01982 $0.01982
Opus 5.5 $0.00793 $0.00793
Sonnet 5.5 $0.00396 $0.00396
Haiku 4.5 $0.00198 $0.00198

Measured 1mo ago against content hash cb80bf6407c6, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

france-data-mcp CLAUDE.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

CLAUDE.md · 59 lines

How it starts

The opening of the file, as written. The whole thing — 59 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md — france-data-mcp

Conventions + workflow + release, en règles de tête (budget ~1 000 mots). Le détail — post-mortems chiffrés, patrons SQL, checklists — vit dans les skills du projet, chargés à la demande : mcp-conventions, ingestion-crons, db-gotchas, release-process (.claude/skills/). Voir README.md pour l'usage MCP, CHANGELOG.md pour l'historique.

Override CLAUDE.md global — Déploiement : Merge sur main et deploy production = manuel, validation Cyril requise. Le défaut universel « Claude merge+deploy auto quand tout est vert » ne s'applique PAS ici. Justification : données santé prod (FINESS / RPPS / Ameli), HDS, audit trail ; les régressions silencieuses prouvées prod (matview OID, GiST partiel découplé, ban_join keyset) avaient toutes des tests verts au commit. Claude prépare la PR, Cyril valide et merge.

Stack

TypeScript strict + Vercel serverless (api/) + Supabase PostGIS + pnpm + tsup + vitest + biome. Lib (src/, publiée npm) ≠ Endpoint (api/, hosté Vercel) — conventions distinctes (skill mcp-conventions).

Workflow

pnpm test:unit                            # rapide, sans DB
pnpm typecheck && pnpm lint               # avant tout commit
pnpm test                                 # complet, nécessite `pnpm db:start`
pnpm release                              # release semi-auto (voir scripts/release.sh)

CI GitHub Actions vérifie typecheck (2 tsconfigs) + biome + tests + Supabase local.

test/test:integration portent --no-file-parallelism : plusieurs fichiers *.integration.test.ts partagent la table mutable rpps_staging (recréée par ingest_create_rpps_staging()) — l'exécution parallèle des fichiers les clobbe mutuellement. test:unit exclut les intégration → reste parallèle. Tout nouveau test d'intégration touchant rpps_staging DOIT re-seed en tête de chaque it + ré-asserter le peuplement (pattern ban-eligibility-skipscan.integration).

Conventions code — règles de tête (détail : skill mcp-conventions)

Read the full file on GitHub · 59 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago Changed · +1 lines · +118 tokens per session cb80bf6407c6
  2. 2mo ago Changed · -100 lines · -9,153 tokens per session scan B → A 57581c420b04
  3. 2mo ago First seen · 158 lines · 11,017 tokens per session scan B fd35cabf2e09

Subscribe to this mod's changes

france-data-mcp CLAUDE.md is an instructions file published in the GitHub repository cturkieh/france-data-mcp (4 stars, last pushed 22d ago), licensed MIT. It adds 1,982 tokens to every session, about $0.0079 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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