diff --git a/src/cli/plugins-list-command.test.ts b/src/cli/plugins-list-command.test.ts
index 5df2a0fff201..40b8e7bdf0f2 100644
--- a/src/cli/plugins-list-command.test.ts
+++ b/src/cli/plugins-list-command.test.ts
@@ -45,7 +45,14 @@ describe("runPluginsListCommand", () => {
         workspaceDir: "/workspace",
         registrySource: "config",
         registryDiagnostics: [],
-        plugins: [{ id: "demo", enabled: true }],
+        plugins: [
+          {
+            id: "demo",
+            enabled: true,
+            commands: ["demo"],
+            agentHarnessIds: ["runtime-only"],
+          },
+        ],
         diagnostics: [],
       }),
     }));
@@ -102,7 +109,7 @@ describe("runPluginsListCommand", () => {
           source: "config",
           diagnostics: [],
         },
-        plugins: [{ id: "demo", enabled: true }],
+        plugins: [{ id: "demo", enabled: true, commands: ["demo"] }],
         diagnostics: [],
       },
     ]);
diff --git a/src/cli/plugins-list-command.ts b/src/cli/plugins-list-command.ts
index ce75013efcab..8ab4c35fd85c 100644
--- a/src/cli/plugins-list-command.ts
+++ b/src/cli/plugins-list-command.ts
@@ -1,5 +1,6 @@
 // `openclaw plugins list`: builds registry reports and defers terminal-only formatting modules.
 import { getRuntimeConfig } from "../config/config.js";
+import type { PluginRecord } from "../plugins/registry.js";
 import { defaultRuntime, writeRuntimeJson, type RuntimeEnv } from "../runtime.js";
 import { quietPluginJsonLogger } from "./plugins-json-logger.js";
 
@@ -10,6 +11,13 @@ export type PluginsListOptions = {
   verbose?: boolean;
 };
 
+function toPluginListJsonRecord(plugin: PluginRecord): Omit<PluginRecord, "agentHarnessIds"> {
+  // Snapshot listing never imports plugin runtimes, so it cannot observe harness registrations.
+  // Omit the field instead of serializing the registry-compatible empty placeholder.
+  const { agentHarnessIds: _agentHarnessIds, ...record } = plugin;
+  return record;
+}
+
 async function loadHumanListModules() {
   const [sourceDisplay, table, themeModule, commandFormat, listFormat] = await Promise.all([
     import("../plugins/source-display.js"),
@@ -50,7 +58,7 @@ export async function runPluginsListCommand(
         source: report.registrySource,
         diagnostics: report.registryDiagnostics,
       },
-      plugins: list,
+      plugins: list.map(toPluginListJsonRecord),
       diagnostics: report.diagnostics,
     };
     writeRuntimeJson(runtime, payload);