{"artifact":{"id":"artifact-rts-20261010-supabase-signed-user-app-mcp","dedupe_key":"d5792abf0de31f2af04ad804c2e61e58eb35f9a30a112a9fa2f1330d05a5dbfe","canonical_url":"https://supabase.com/blog/select-2026-build-anything","evidence_locator":"","artifact_type":"authenticated_agent_app_tooling_release","title":"Supabase documents signed-in user MCP capability surfaces for applications","summary":"Supabase published tooling to add an authenticated MCP server to an application, where agents act on behalf of signed-in users and database row-level security remains an authorization boundary. This is a released integration pattern, not proof of security across all deployments.","creator_entities":["Supabase"],"released_at":"2026-10-02T00:00:00.000Z","content_hash":null,"metadata":{"rts_handoff_ids":["rts_handoff_24153ea09c574ec1a21298c7ca89e6d4"],"review_disclaimer":"Does not imply unrestricted database access or a new MCP standard.","provenance":"directly-reviewed-primary-or-original-research-source"},"created_at":"2026-10-10T05:59:13.374Z","updated_at":"2026-10-10T05:59:13.374Z"},"sources":[]}