diff --git a/services/cowork-service/src/modules/audit/routes.ts b/services/cowork-service/src/modules/audit/routes.ts
index 54991992..07a66574 100644
--- a/services/cowork-service/src/modules/audit/routes.ts
+++ b/services/cowork-service/src/modules/audit/routes.ts
@@ -22,10 +22,12 @@ export async function auditRoutes(app: FastifyInstance) {
       return { error: 'Invalid query', details: parsed.error.issues };
     }
 
-    const { action, category, days, limit, offset } = parsed.data;
+    const { action, category, taskId, tool, days, limit, offset } = parsed.data;
     const params = new URLSearchParams();
     if (action) params.set('action', action);
     if (category) params.set('category', category);
+    if (taskId) params.set('taskId', taskId);
+    if (tool) params.set('tool', tool);
     params.set('days', String(days));
     params.set('limit', String(limit));
     params.set('offset', String(offset));
diff --git a/services/cowork-service/src/modules/audit/types.ts b/services/cowork-service/src/modules/audit/types.ts
index 713d79a5..dc9a990a 100644
--- a/services/cowork-service/src/modules/audit/types.ts
+++ b/services/cowork-service/src/modules/audit/types.ts
@@ -9,6 +9,8 @@ import { z } from 'zod';
 export const AuditQuerySchema = z.object({
   action: z.string().optional(),
   category: z.string().optional(),
+  taskId: z.string().optional(),
+  tool: z.string().optional(),
   days: z.coerce.number().int().min(1).max(365).default(30),
   limit: z.coerce.number().int().min(1).max(1000).default(100),
   offset: z.coerce.number().int().min(0).default(0),