{"slug":"arca-ac838124","name":"Arca","summary":"Arca is a private data vault where your AI stores your structured data, semantic memory and skills.","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:25.538598Z","sources":[{"source":"mcp_registry","external_id":"build.arca.mcp/arca-mcp-server","owner_address":null,"seen_at":"2026-10-25T17:50:25.538598Z","removed_at":null}],"endpoints":[{"url":"https://mcp.arca.build/","host":"mcp.arca.build","protocol":"mcp","state":"auth_required","last_probe_at":"2026-10-25T20:57:27.638903Z","last_ok_at":"2026-10-25T20:57:27.638903Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0},{"url":"https://arca.build/","host":"arca.build","protocol":"web","state":"live","last_probe_at":"2026-10-25T20:57:46.163216Z","last_ok_at":"2026-10-25T20:57:46.163216Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[],"payment_options":[],"usage":null,"notice":"Not affiliated with addrbook — claim or request removal."}