{"servers":[{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"bot.mailbox/mailbox","description":"Physical mail API for AI agents. Send letters, certified mail. Sandbox + live keys via MCP.","version":"1.0.1","websiteUrl":"https://mailbox.bot/mcp-install","remotes":[{"type":"streamable-http","url":"https://mailbox.bot/api/mcp","headers":[{"description":"Bearer token. Use an agent key (sk_agent_...) for autonomous agents, a sandbox key (sk_agent_test_...) for zero-charge testing on production endpoints, or a member key (sk_live_...) for personal use. Mint keys at https://mailbox.bot/mcp-install.","isRequired":true,"format":"string","isSecret":true,"name":"Authorization"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-05-27T18:43:37.200855Z","publishedAt":"2026-05-27T18:43:37.200855Z","updatedAt":"2026-05-27T18:43:37.200855Z","isLatest":true}}}],"metadata":{"count":1}}
