{"slug":"mailstream-3129df87","name":"MailStream","summary":"The first MCP server for physical mail: send postcards and letters, manage lists and campaigns.","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:23.062462Z","sources":[{"source":"mcp_registry","external_id":"app.mailstream/mailstream","owner_address":null,"seen_at":"2026-10-25T17:50:23.062462Z","removed_at":null}],"endpoints":[{"url":"https://my.mailstream.app/mcp","host":"my.mailstream.app","protocol":"mcp","state":"auth_required","last_probe_at":"2026-10-25T20:17:48.515494Z","last_ok_at":"2026-10-25T20:17:48.515494Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0},{"url":"https://mailstream.app/developers/mcp-server","host":"mailstream.app","protocol":"web","state":"live","last_probe_at":"2026-10-25T20:19:16.415109Z","last_ok_at":"2026-10-25T20:19:16.415109Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[],"notice":"Not affiliated with addrbook — claim or request removal."}