diff --git a/crates/lxmf-core/src/propagation_node.rs b/crates/lxmf-core/src/propagation_node.rs
index 0becfcc..8baa79a 100644
--- a/crates/lxmf-core/src/propagation_node.rs
+++ b/crates/lxmf-core/src/propagation_node.rs
@@ -366,6 +366,18 @@ impl PropagationNode {
         self.config.min_stamp_cost = cost;
     }
 
+    pub fn set_peering_cost(&mut self, cost: u8) {
+        self.config.peering_cost = cost;
+    }
+
+    pub fn set_max_storage(&mut self, max: usize) {
+        self.config.max_storage = max;
+    }
+
+    pub fn set_max_message_size(&mut self, max: usize) {
+        self.config.max_message_size = max;
+    }
+
     pub fn offer_generation(&self) -> u64 {
         self.offer_generation
     }