diff --git a/src/cli.ts b/src/cli.ts
index 9c5a582..154f678 100644
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -42,6 +42,22 @@ program
     }
   });
 
+program
+  .command("cancel")
+  .description("Cancel the active intent")
+  .action(async () => {
+    try {
+      const projectId = await ensureProject();
+      const branchId = await ensureBranch(projectId);
+
+      const intent = await commands.cancel({ branchId });
+      console.log(`Cancelled intent #${intent.id}: ${intent.message}`);
+    } catch (error) {
+      console.error("Failed to cancel intent:", getErrorMessage(error));
+      process.exit(1);
+    }
+  });
+
 program
   .command("finish")
   .description("Finish the current active intent")
diff --git a/src/core/commands/cancel.ts b/src/core/commands/cancel.ts
new file mode 100644
index 0000000..1337fed
--- /dev/null
+++ b/src/core/commands/cancel.ts
@@ -0,0 +1,32 @@
+import { eq } from "drizzle-orm";
+import { db } from "../db";
+import { type Intent, intents } from "../db/schema";
+import { findActiveIntent } from "./findActiveIntent";
+
+export async function cancel({
+  branchId,
+}: {
+  branchId: string;
+}): Promise<Intent> {
+  try {
+    const activeIntent = await findActiveIntent({ branchId });
+
+    if (!activeIntent) {
+      throw new Error("No active intent found for this branch");
+    }
+
+    return db
+      .update(intents)
+      .set({
+        status: "cancelled",
+      })
+      .where(eq(intents.id, activeIntent.id))
+      .returning()
+      .get();
+  } catch (error) {
+    console.error("Failed to cancel intent: ", error);
+    throw new Error(
+      `Failed to cancel intent: ${error instanceof Error ? error.message : "Unknown error"}`,
+    );
+  }
+}
diff --git a/src/core/commands/index.ts b/src/core/commands/index.ts
index 3e15f2b..b658a10 100644
--- a/src/core/commands/index.ts
+++ b/src/core/commands/index.ts
@@ -1,3 +1,4 @@
+export * from "./cancel";
 export * from "./findActiveIntent";
 export * from "./finish";
 export * from "./list";