MB Mastering — serveur MCP (v1.6.8). Endpoint : POST (JSON-RPC 2.0, streamable HTTP) sur cette URL. Tools publics : search, fetch, get_services, get_pricing, get_studio_info, get_faq, send_quote_request. Tools studio (token) : qonto_*, prepare_quote_email, upload_master, list_quote_requests. Manifeste : https://mathieuberthet.com/.well-known/mcp.json Documentation : https://mathieuberthet.com/llms.txt