diff --git a/dashboards/open-brain-dashboard/.env.example b/dashboards/open-brain-dashboard/.env.example
index 6a3987c6..0d58cec0 100644
--- a/dashboards/open-brain-dashboard/.env.example
+++ b/dashboards/open-brain-dashboard/.env.example
@@ -2,6 +2,9 @@
 # Copy this file to `.env.local` for local development.
 # SvelteKit only picks up env changes after restarting `npm run dev`.
 #
+# Tip: symlink from the repo root so all dashboards share one file:
+#   ln -s ../../.env.local dashboards/open-brain-dashboard/.env.local
+#
 # Preferred (server-only, does not expose key in browser):
 MCP_URL=https://your-project.supabase.co/functions/v1/open-brain-mcp
 MCP_KEY=your-access-key
diff --git a/extensions/family-calendar/.env.example b/extensions/family-calendar/.env.example
new file mode 100644
index 00000000..91155206
--- /dev/null
+++ b/extensions/family-calendar/.env.example
@@ -0,0 +1,6 @@
+# These are set automatically by Supabase when you deploy an Edge Function.
+# You only need to set MCP_ACCESS_KEY manually.
+
+SUPABASE_URL=https://your-project.supabase.co
+SUPABASE_SERVICE_ROLE_KEY=your-service-role-key
+MCP_ACCESS_KEY=your-mcp-access-key
diff --git a/extensions/home-maintenance/.env.example b/extensions/home-maintenance/.env.example
new file mode 100644
index 00000000..91155206
--- /dev/null
+++ b/extensions/home-maintenance/.env.example
@@ -0,0 +1,6 @@
+# These are set automatically by Supabase when you deploy an Edge Function.
+# You only need to set MCP_ACCESS_KEY manually.
+
+SUPABASE_URL=https://your-project.supabase.co
+SUPABASE_SERVICE_ROLE_KEY=your-service-role-key
+MCP_ACCESS_KEY=your-mcp-access-key
diff --git a/extensions/household-knowledge/.env.example b/extensions/household-knowledge/.env.example
new file mode 100644
index 00000000..91155206
--- /dev/null
+++ b/extensions/household-knowledge/.env.example
@@ -0,0 +1,6 @@
+# These are set automatically by Supabase when you deploy an Edge Function.
+# You only need to set MCP_ACCESS_KEY manually.
+
+SUPABASE_URL=https://your-project.supabase.co
+SUPABASE_SERVICE_ROLE_KEY=your-service-role-key
+MCP_ACCESS_KEY=your-mcp-access-key
diff --git a/extensions/job-hunt/.env.example b/extensions/job-hunt/.env.example
new file mode 100644
index 00000000..91155206
--- /dev/null
+++ b/extensions/job-hunt/.env.example
@@ -0,0 +1,6 @@
+# These are set automatically by Supabase when you deploy an Edge Function.
+# You only need to set MCP_ACCESS_KEY manually.
+
+SUPABASE_URL=https://your-project.supabase.co
+SUPABASE_SERVICE_ROLE_KEY=your-service-role-key
+MCP_ACCESS_KEY=your-mcp-access-key
diff --git a/extensions/meal-planning/.env.example b/extensions/meal-planning/.env.example
new file mode 100644
index 00000000..91155206
--- /dev/null
+++ b/extensions/meal-planning/.env.example
@@ -0,0 +1,6 @@
+# These are set automatically by Supabase when you deploy an Edge Function.
+# You only need to set MCP_ACCESS_KEY manually.
+
+SUPABASE_URL=https://your-project.supabase.co
+SUPABASE_SERVICE_ROLE_KEY=your-service-role-key
+MCP_ACCESS_KEY=your-mcp-access-key
diff --git a/extensions/professional-crm/.env.example b/extensions/professional-crm/.env.example
new file mode 100644
index 00000000..91155206
--- /dev/null
+++ b/extensions/professional-crm/.env.example
@@ -0,0 +1,6 @@
+# These are set automatically by Supabase when you deploy an Edge Function.
+# You only need to set MCP_ACCESS_KEY manually.
+
+SUPABASE_URL=https://your-project.supabase.co
+SUPABASE_SERVICE_ROLE_KEY=your-service-role-key
+MCP_ACCESS_KEY=your-mcp-access-key
diff --git a/server/index.ts b/server/index.ts
index 9630220c..b40149f8 100644
--- a/server/index.ts
+++ b/server/index.ts
@@ -316,15 +316,27 @@ server.registerTool(
         extractMetadata(content),
       ]);
 
-      const { error } = await supabase.from("thoughts").insert({
-        content,
-        embedding,
-        metadata: { ...metadata, source: "mcp" },
+      const { data: upsertResult, error: upsertError } = await supabase.rpc("upsert_thought", {
+        p_content: content,
+        p_payload: { metadata: { ...metadata, source: "mcp" } },
       });
 
-      if (error) {
+      if (upsertError) {
+        return {
+          content: [{ type: "text" as const, text: `Failed to capture: ${upsertError.message}` }],
+          isError: true,
+        };
+      }
+
+      const thoughtId = upsertResult?.id;
+      const { error: embError } = await supabase
+        .from("thoughts")
+        .update({ embedding })
+        .eq("id", thoughtId);
+
+      if (embError) {
         return {
-          content: [{ type: "text" as const, text: `Failed to capture: ${error.message}` }],
+          content: [{ type: "text" as const, text: `Failed to save embedding: ${embError.message}` }],
           isError: true,
         };
       }