Validate IBAN bank account numbers (format + mod-97 checksum). Returns whether the IBAN is valid.
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Config is the same across clients — only the file and path differ.
{
"mcpServers": {
"mon-premier-mcp": {
"args": [
"mcp-remote",
"https://mon-premier-mcp.<ton-sous-domaine>.workers.dev/mcp"
],
"command": "npx"
}
}
}Are you the author?
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Le même tool valider_iban, mais hébergé sur internet pour que de vrais agents puissent l'appeler. Sans état, donc pas de base « Durable Objects » : un simple Worker.
Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
npx -y 'wrangler' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Five weighted categories — click any category to see the underlying evidence.
Wrangler affected by OS Command Injection in `wrangler pages deploy`
**Summary** A command injection vulnerability (CWE-78) has been found to exist in the `wrangler pages deploy` command. The issue occurs because the `--commit-hash` parameter is passed directly to a shell command without proper validation or sanitization, allowing an attacker with control of `--commit-hash` to execute arbitrary commands on the system running Wrangler. **Root cause** The `commitHash` variable, derived from user input via the `--commit-hash` CLI argument, is interpolated directl
Arbitrary remote code execution within `wrangler dev` Workers sandbox
### Impact The V8 inspector intentionally allows arbitrary code execution within the Workers sandbox for debugging. `wrangler dev` would previously start an inspector server listening on all network interfaces. This would allow an attacker on the local network to connect to the inspector and run arbitrary code. Additionally, the inspector server did not validate `Origin`/`Host` headers, granting an attacker that can trick any user on the local network into opening a malicious website the ability
Arbitrary remote file read in Wrangler dev server
### Impact Sending specially crafted HTTP requests and inspector messages to Wrangler's dev server could result in any file on the user's computer being accessible over the local network. An attacker that could trick any user on the local network into opening a malicious website could also read any file. ### Patches This issue was fixed in `wrangler@3.19.0`. Wrangler will now only serve files that are part of your bundle, or referenced by your bundle's source maps. ### Workarounds Configure Wr
Cloudflare Wrangler directory traversal vulnerability
### Impact The Wrangler command line tool (<=wrangler@3.1.0 or <=wrangler@2.20.1) was affected by a directory traversal vulnerability when running a local development server for Pages (wrangler pages dev command). This vulnerability enabled an attacker in the same network as the victim to connect to the local development server and access the victim's files present outside of the directory for the development server. ### Patches Wrangler2: Upgrade to v2.20.1 or higher. Wrangler3: Upgrade to v3
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Le même tool valider_iban, mais hébergé sur internet pour que de vrais agents
puissent l'appeler. Sans état, donc pas de base « Durable Objects » : un simple Worker.
L'offre gratuite couvre très largement ce projet. Tu ne paies rien pour démarrer.
cd mon-mcp-cloud
npm install
npx wrangler login # ouvre le navigateur, tu autorises une fois
npm run deploy # déploie
À la fin, Wrangler t'affiche une URL du type :
https://mon-premier-mcp.<ton-sous-domaine>.workers.dev
Ton endpoint MCP, c'est cette URL + /mcp :
https://mon-premier-mcp.<ton-sous-domaine>.workers.dev/mcp
C'est l'adresse que tu donnes aux agents.
Option A — la plus rapide : l'AI Playground de Cloudflare
Va sur le « AI Playground » de Cloudflare, colle ton URL /mcp, clique Connect,
puis « List Tools ». Tu dois voir valider_iban.
Option B — l'inspecteur officiel MCP
npx @modelcontextprotocol/inspector
Ça ouvre un outil local. Mets le transport sur « Streamable HTTP », colle ton URL
/mcp, Connect → List Tools → teste valider_iban avec BE68539007547034.
Option C — depuis Claude Desktop (via un petit proxy)
Dans claude_desktop_config.json :
{
"mcpServers": {
"mon-premier-mcp": {
"command": "npx",
"args": ["mcp-remote", "https://mon-premier-mcp.<ton-sous-domaine>.workers.dev/mcp"]
}
}
}
Redémarre Claude Desktop, puis demande : « Vérifie si l'IBAN BE68539007547034 est valide. »
Le code écrit une ligne à chaque appel (date, tool, entrée, statut). Pour les voir en direct :
npm run tail # = wrangler tail, affiche les logs en temps réel
Tu les retrouves aussi dans le dashboard Cloudflare (l'observabilité est activée
dans wrangler.jsonc).
Plus tard : remplace le console.log(...) dans src/index.ts par un insert dans
une table Supabase, et tu auras un vrai historique consultable.
Change le code dans src/index.ts, puis relance npm run deploy. C'est tout.
Pour ajouter un paiement (x402 ou Stripe MPP), c'est ici qu'on viendra greffer la
porte de paiement devant le tool — quand tu seras prêt.
src/index.ts — le serveur + le tool (c'est là que tu travailles)wrangler.jsonc — la config Cloudflarepackage.json — dépendances et scripts (deploy, dev, tail)