diff --git a/crates/miroir-proxy/src/routes/multi_search.rs b/crates/miroir-proxy/src/routes/multi_search.rs
index 6f7133b..3e0ec81 100644
--- a/crates/miroir-proxy/src/routes/multi_search.rs
+++ b/crates/miroir-proxy/src/routes/multi_search.rs
@@ -173,6 +173,13 @@ where
         return Err(StatusCode::BAD_REQUEST);
     }
 
+    // Record multi-search metrics (plan §13.11)
+    let query_count = body.queries.len() as u64;
+    state
+        .metrics
+        .observe_multisearch_queries_per_batch(query_count);
+    state.metrics.inc_multisearch_batches_total();
+
     let executor = MultiSearchExecutor::new(state.config.multi_search.clone());
 
     // Get topology and policy once for all queries
@@ -421,6 +428,12 @@ where
             StatusCode::INTERNAL_SERVER_ERROR
         })?;
 
+    // Record partial failures metric (plan §13.11)
+    let has_failures = response.results.iter().any(|r| !r.is_success());
+    if has_failures {
+        state.metrics.inc_multisearch_partial_failures();
+    }
+
     Ok(Json(response))
 }