diff --git a/apps/sim/lib/copilot/workspace-prompt.ts b/apps/sim/lib/copilot/workspace-prompt.ts
index 30c6fd89e..fdda5ccaa 100644
--- a/apps/sim/lib/copilot/workspace-prompt.ts
+++ b/apps/sim/lib/copilot/workspace-prompt.ts
@@ -45,6 +45,20 @@ You have access to these specialized subagents. Call them by name to delegate ta
 
 - **get_user_workflow(workflowId)** — Get workflow structure and blocks. Requires the workflow ID.
 - **search_online** — Search the web for information.
+- **memory_file_read(file_path)** — Read a persistent memory file.
+- **memory_file_write(file_path, content)** — Write/update a persistent memory file.
+- **memory_file_list()** — List all memory files.
+
+## Memory Management
+
+You have persistent memory files that survive across conversations:
+- **SOUL.md** — Your personality and behavioral guidelines. Read this at the start of conversations.
+- **USER.md** — Information about the user. Update as you learn preferences and context.
+- **MEMORY.md** — Key learnings, decisions, and important context. Update after significant interactions.
+
+**At conversation start**: Read SOUL.md and MEMORY.md to load your persistent context.
+**During conversation**: When the user shares important preferences or you make key decisions, update the relevant file.
+**Important**: Only write to files when there's genuinely new, important information. Don't update on every message.
 
 ## Decision Flow