Check an MCP server address before installing it: what we already measured about it, without visiting it.

Send the endpoint URL. The answer never contacts that address: it reads what our weekly visits measured and what our domain data knows. sinais_do_endereco comes from the address alone (consumer tunnel, http:// without TLS). registros lists the catalog listings with this exact address first (exato: true), then up to 20 others on the same host, each with its level and signals; mesmo_host counts them all. dominio has the facts about the host's domain. An address outside the catalog answers no_catalogo: false and registrar: submit it to get it reviewed. Cached for 5 minutes. Returns: { url, host, no_catalogo, sinais_do_endereco, registros, mesmo_host, dominio, registrar, api }