diff --git a/Sources/GRPCCore/Call/Server/ServerContext.swift b/Sources/GRPCCore/Call/Server/ServerContext.swift
index d2518adf9..f027ad058 100644
--- a/Sources/GRPCCore/Call/Server/ServerContext.swift
+++ b/Sources/GRPCCore/Call/Server/ServerContext.swift
@@ -16,6 +16,10 @@
 
 /// Additional information about an RPC handled by a server.
 public struct ServerContext: Sendable {
+
+  /// Protocol used to help identify transport specific context fields
+  public protocol TransportSpecific: Sendable {}
+
   /// A description of the method being called.
   public var descriptor: MethodDescriptor
 
@@ -45,6 +49,15 @@ public struct ServerContext: Sendable {
   /// - "in-process:27182".
   public var localPeer: String
 
+  /// An optional field for transports to store specific data
+  ///
+  /// Refer to the transport documentation to understand what type of
+  /// value this field will contain, if any.
+  ///
+  /// An example of what this field can be used for, would be to store
+  /// things like a peer certificate from a mTLS connection
+  public var transportSpecific: (any TransportSpecific)?
+
   /// A handle for checking the cancellation status of an RPC.
   public var cancellation: RPCCancellationHandle