diff --git a/apps/docs/supermemory-mcp/mcp.mdx b/apps/docs/supermemory-mcp/mcp.mdx
index c7f5f6dc..2b8be168 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-| `add_memory` | Save information or forget outdated information | `content` (required), `action` (`save` or `forget`), `containerTag` | Save or forget confirmation |
+| `add_memory` | Save information or forget outdated information | `content` (required), `action` (`save` or `forget`), `containerTag`, optional `metadata` | Save or forget confirmation |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 |
 | `list_memories` | Browse recent extracted memory entries and their source document IDs | `page`, `limit`, `containerTag` | Memory IDs, text, versions, and source document IDs |
diff --git a/apps/mcp/e2e/space-scope.test.ts b/apps/mcp/e2e/space-scope.test.ts
index 3b5c013b..ff1e0ce5 100644
--- a/apps/mcp/e2e/space-scope.test.ts
+++ b/apps/mcp/e2e/space-scope.test.ts
@@ -22,12 +22,14 @@ describeWithAuth("MCP - space scoping", () => {
 			const plainTools = (await plain.client.listTools()).tools
 
 			expect(propsOf(plainTools, "add_memory")).toHaveProperty("containerTag")
+			expect(propsOf(plainTools, "add_memory")).toHaveProperty("metadata")
 			expect(propsOf(plainTools, "search_memory")).toHaveProperty(
 				"containerTag",
 			)
 			expect(propsOf(plainTools, "get_profile")).toHaveProperty("containerTag")
 
 			expect(propsOf(scopedTools, "add_memory")).toHaveProperty("containerTag")
+			expect(propsOf(scopedTools, "add_memory")).toHaveProperty("metadata")
 			expect(propsOf(scopedTools, "search_memory")).toHaveProperty(
 				"containerTag",
 			)
diff --git a/apps/mcp/src/server/client/index.ts b/apps/mcp/src/server/client/index.ts
index 1b575e15..3b4f402f 100644
--- a/apps/mcp/src/server/client/index.ts
+++ b/apps/mcp/src/server/client/index.ts
@@ -161,12 +161,13 @@ export class SupermemoryClient {
 
 	async createMemory(
 		content: string,
+		metadata?: Record<string, unknown>,
 	): Promise<{ id: string; status: string; containerTag: string }> {
 		try {
 			const result = await this.client.add({
 				content,
 				containerTag: this.containerTag,
-				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 c708deb5..23c729dd 100644
--- a/apps/mcp/src/server/tools/add-memory.ts
+++ b/apps/mcp/src/server/tools/add-memory.ts
@@ -12,6 +12,7 @@ export function register(deps: ToolDeps) {
 			.describe("The memory content to save or forget"),
 		action: z.enum(["save", "forget"]).optional().default("save"),
 		containerTag: optionalContainerTagSchema,
+		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 result = await client.createMemory(args.content)
+				const result = await client.createMemory(args.content, args.metadata)
 				const message = `Memory saved (ID: ${result.id}, space: ${result.containerTag})`
 				const structuredContent: AddMemoryOutput = {
 					action: "save",