diff --git a/extensions/nostr/src/channel.ts b/extensions/nostr/src/channel.ts
index b75ad26b0ba..7758e1a18ab 100644
--- a/extensions/nostr/src/channel.ts
+++ b/extensions/nostr/src/channel.ts
@@ -18,6 +18,7 @@ import type { MetricEvent, MetricsSnapshot } from "./metrics.js";
 import { normalizePubkey, startNostrBus, type NostrBusHandle } from "./nostr-bus.js";
 import type { ProfilePublishResult } from "./nostr-profile.js";
 import { getNostrRuntime } from "./runtime.js";
+import { resolveNostrOutboundSessionRoute } from "./session-route.js";
 import { nostrSetupAdapter, nostrSetupWizard } from "./setup-surface.js";
 import {
   listNostrAccountIds,
@@ -138,6 +139,7 @@ export const nostrPlugin: ChannelPlugin<ResolvedNostrAccount> = {
       },
       hint: "<npub|hex pubkey|nostr:npub...>",
     },
+    resolveOutboundSessionRoute: (params) => resolveNostrOutboundSessionRoute(params),
   },
 
   outbound: {
diff --git a/extensions/nostr/src/session-route.ts b/extensions/nostr/src/session-route.ts
new file mode 100644
index 00000000000..cbf31e89a56
--- /dev/null
+++ b/extensions/nostr/src/session-route.ts
@@ -0,0 +1,25 @@
+import {
+  buildChannelOutboundSessionRoute,
+  stripChannelTargetPrefix,
+  type ChannelOutboundSessionRouteParams,
+} from "openclaw/plugin-sdk/core";
+
+export function resolveNostrOutboundSessionRoute(params: ChannelOutboundSessionRouteParams) {
+  const target = stripChannelTargetPrefix(params.target, "nostr");
+  if (!target) {
+    return null;
+  }
+  return buildChannelOutboundSessionRoute({
+    cfg: params.cfg,
+    agentId: params.agentId,
+    channel: "nostr",
+    accountId: params.accountId,
+    peer: {
+      kind: "direct",
+      id: target,
+    },
+    chatType: "direct",
+    from: `nostr:${target}`,
+    to: `nostr:${target}`,
+  });
+}