diff --git a/apps/docs/supermemory-mcp/mcp.mdx b/apps/docs/supermemory-mcp/mcp.mdx
index 2835f497..094a3705 100644
--- a/apps/docs/supermemory-mcp/mcp.mdx
+++ b/apps/docs/supermemory-mcp/mcp.mdx
@@ -48,7 +48,7 @@ Your assistant chooses these tools automatically. Use this table when you need t
 | --- | --- | --- | --- |
 | `search_memory` | Semantic recall from one space | `query` (required), `containerTag` | Matching memories |
 | `get_profile` | Stable and recent profile context for one space | `containerTag` | Profile facts |
-| `add_memory` | Save information | `content` (required), `namespace` | Save confirmation |
+| `add_memory` | Save information | `content` (required), `namespace`, optional `metadata` | Save confirmation |
 | `forget_memory` | Forget outdated information | `content` (required), `namespace` | Forget confirmation |
 | `list_documents` | Browse stored source documents and their summaries | `page`, `limit`, `containerTag` | Document IDs, titles, types, status, dates, and summaries |
 | `get_document` | Read the available content of one document | `documentId` (required) | Document metadata, summary, and available content |
diff --git a/apps/mcp/e2e/space-scope.test.ts b/apps/mcp/e2e/space-scope.test.ts
index c1157951..27b7fb15 100644
--- a/apps/mcp/e2e/space-scope.test.ts
+++ b/apps/mcp/e2e/space-scope.test.ts
@@ -22,10 +22,12 @@ describeWithAuth("MCP - space scoping", () => {
 			const plainTools = (await plain.client.listTools()).tools
 
 			expect(propsOf(plainTools, "add_memory")).toHaveProperty("namespace")
+			expect(propsOf(plainTools, "add_memory")).toHaveProperty("metadata")
 			expect(propsOf(plainTools, "search_memory")).toHaveProperty("namespace")
 			expect(propsOf(plainTools, "get_profile")).toHaveProperty("namespace")
 
 			expect(propsOf(scopedTools, "add_memory")).toHaveProperty("namespace")
+			expect(propsOf(scopedTools, "add_memory")).toHaveProperty("metadata")
 			expect(propsOf(scopedTools, "search_memory")).toHaveProperty("namespace")
 			expect(propsOf(scopedTools, "get_profile")).toHaveProperty("namespace")
 		} finally {
diff --git a/apps/mcp/src/server/client/index.ts b/apps/mcp/src/server/client/index.ts
index 3a327115..0835ca32 100644
--- a/apps/mcp/src/server/client/index.ts
+++ b/apps/mcp/src/server/client/index.ts
@@ -196,11 +196,12 @@ export class SupermemoryClient {
 
 	async createMemory(
 		content: string,
+		metadata?: Record<string, unknown>,
 	): Promise<{ id: string; status: string; namespace: string }> {
 		try {
 			const result = await this.client.add(this.namespace, {
 				content,
-				metadata: { sm_source: MCP_SOURCE },
+				metadata: { ...metadata, sm_source: MCP_SOURCE },
 			})
 			return {
 				id: result.id,
diff --git a/apps/mcp/src/server/tools/add-memory.ts b/apps/mcp/src/server/tools/add-memory.ts
index 99254f25..e2dd70a4 100644
--- a/apps/mcp/src/server/tools/add-memory.ts
+++ b/apps/mcp/src/server/tools/add-memory.ts
@@ -25,6 +25,7 @@ export function register(deps: ToolDeps) {
 			),
 		namespace: optionalNamespaceSchema,
 		...legacyNamespaceInput,
+		metadata: z.record(z.string(), z.unknown()).optional().describe("Optional metadata to attach to the saved memory"),
 	})
 
 	deps.server.registerTool(
@@ -42,7 +43,7 @@ export function register(deps: ToolDeps) {
 				const namespace = await deps.resolveNamespace(namespaceArg(args))
 				const client = deps.getClient(namespace)
 
-				const result = await client.createMemory(args.content)
+				const result = await client.createMemory(args.content, args.metadata)
 				const message = `Memory saved (ID: ${result.id}, space: ${result.namespace})`
 				const structuredContent: AddMemoryOutput = withLegacyNamespace({
 					action: "save",