diff --git a/scripts/dev/realtime-talk-live-smoke.ts b/scripts/dev/realtime-talk-live-smoke.ts
index a3807149a9bb..48d4b166d9ba 100644
--- a/scripts/dev/realtime-talk-live-smoke.ts
+++ b/scripts/dev/realtime-talk-live-smoke.ts
@@ -26,6 +26,10 @@ const GOOGLE_REALTIME_VOICE = process.env.OPENCLAW_REALTIME_GOOGLE_VOICE?.trim()
 const GOOGLE_LIVE_WS_URL =
   "wss://generativelanguage.googleapis.com/ws/google.ai.generativelanguage.v1alpha.GenerativeService.BidiGenerateContentConstrained";
 
+type RealtimeSmokeCliOptions = {
+  help: boolean;
+};
+
 type SmokeResult = {
   name: string;
   ok: boolean;
@@ -53,6 +57,33 @@ type OpenAIWebRtcSmokeGlobal = typeof globalThis & {
   openclawReadBoundedRealtimeResponseText?: OpenAIRealtimeBrowserResponseReader;
 };
 
+class CliArgumentError extends Error {
+  override name = "CliArgumentError";
+}
+
+function usage(): string {
+  return [
+    "Usage: node --import tsx scripts/dev/realtime-talk-live-smoke.ts [options]",
+    "",
+    "Options:",
+    "  -h, --help    Show this help",
+    "",
+    "Environment:",
+    "  OPENAI_API_KEY",
+    "  GEMINI_API_KEY or GOOGLE_API_KEY",
+  ].join("\n");
+}
+
+function parseRealtimeSmokeArgs(argv = process.argv.slice(2)): RealtimeSmokeCliOptions {
+  for (const arg of argv) {
+    if (arg === "--help" || arg === "-h") {
+      continue;
+    }
+    throw new CliArgumentError(`Unknown argument: ${arg}`);
+  }
+  return { help: argv.includes("--help") || argv.includes("-h") };
+}
+
 function getEnv(name: string): string | undefined {
   const value = process.env[name]?.trim();
   return value ? value : undefined;
@@ -729,7 +760,12 @@ try {
   }
 }
 
-async function main(): Promise<void> {
+async function main(argv = process.argv.slice(2)): Promise<void> {
+  const cli = parseRealtimeSmokeArgs(argv);
+  if (cli.help) {
+    console.log(usage());
+    return;
+  }
   const openAIKey = getEnv("OPENAI_API_KEY");
   const googleKey = getEnv("GEMINI_API_KEY") ?? getEnv("GOOGLE_API_KEY");
   const browser = await chromium.launch({
@@ -781,7 +817,7 @@ async function main(): Promise<void> {
 
 if (import.meta.url === pathToFileURL(process.argv[1] ?? "").href) {
   await main().catch((error: unknown) => {
-    console.error(shortError(error));
+    console.error(error instanceof CliArgumentError ? error.message : shortError(error));
     process.exitCode = 1;
   });
 }
@@ -789,9 +825,11 @@ if (import.meta.url === pathToFileURL(process.argv[1] ?? "").href) {
 export const testing = {
   OPENAI_HTTP_RESPONSE_MAX_BYTES,
   createOpenAIClientSecret,
+  parseRealtimeSmokeArgs,
   readOpenAIRealtimeBrowserResponseText,
   readBoundedText,
   resolveOpenAIHttpTimeoutMs,
+  usage,
 };
 
 function toLintErrorObject(value: unknown, fallbackMessage: string): Error {
diff --git a/scripts/perf/summarize-cpuprofile.mjs b/scripts/perf/summarize-cpuprofile.mjs
index 5e84545b9435..df9b48a92d67 100644
--- a/scripts/perf/summarize-cpuprofile.mjs
+++ b/scripts/perf/summarize-cpuprofile.mjs
@@ -8,6 +8,22 @@ import { parsePositiveInt } from "../lib/numeric-options.mjs";
 
 const DEFAULT_LIMIT = 30;
 
+export function usage() {
+  return "Usage: scripts/perf/summarize-cpuprofile.mjs [--limit N] <profile...>";
+}
+
+export function shouldPrintHelp(argv) {
+  for (const arg of argv) {
+    if (arg === "--") {
+      return false;
+    }
+    if (arg === "--help" || arg === "-h") {
+      return true;
+    }
+  }
+  return false;
+}
+
 /**
  * Parses CPU profile file paths and --limit.
  */
@@ -24,6 +40,13 @@ export function parseArgs(argv) {
       limit = parsePositiveInt(arg.slice("--limit=".length), "--limit");
       continue;
     }
+    if (arg === "--") {
+      files.push(...argv.slice(index + 1));
+      break;
+    }
+    if (arg.startsWith("-")) {
+      throw new Error(`Unknown option: ${arg}`);
+    }
     files.push(arg);
   }
   return { files, limit };
@@ -125,6 +148,10 @@ export function summarizeProfile(file, limit) {
 }
 
 function main() {
+  if (shouldPrintHelp(process.argv.slice(2))) {
+    console.log(usage());
+    return;
+  }
   let options;
   try {
     options = parseArgs(process.argv.slice(2));
@@ -133,7 +160,7 @@ function main() {
     process.exit(1);
   }
   if (options.files.length === 0) {
-    console.error("usage: scripts/perf/summarize-cpuprofile.mjs [--limit N] <profile...>");
+    console.error(usage());
     process.exit(2);
   }
   try {
diff --git a/test/scripts/dev-tooling-safety.test.ts b/test/scripts/dev-tooling-safety.test.ts
index 51191d41a21a..9b3d40a21aff 100644
--- a/test/scripts/dev-tooling-safety.test.ts
+++ b/test/scripts/dev-tooling-safety.test.ts
@@ -399,6 +399,44 @@ describe("script-specific dev tooling hardening", () => {
     );
   });
 
+  it("prints OpenAI realtime smoke help without launching live checks", () => {
+    expect(realtimeSmokeTesting.parseRealtimeSmokeArgs(["--help"])).toEqual({ help: true });
+
+    const result = spawnSync(
+      process.execPath,
+      ["--import", "tsx", "scripts/dev/realtime-talk-live-smoke.ts", "--help"],
+      {
+        cwd: process.cwd(),
+        encoding: "utf8",
+      },
+    );
+
+    expect(result.status).toBe(0);
+    expect(result.stdout).toContain(
+      "Usage: node --import tsx scripts/dev/realtime-talk-live-smoke.ts",
+    );
+    expect(result.stderr).toBe("");
+  });
+
+  it("rejects unknown OpenAI realtime smoke args before launching live checks", () => {
+    expect(() => realtimeSmokeTesting.parseRealtimeSmokeArgs(["--wat"])).toThrow(
+      "Unknown argument: --wat",
+    );
+
+    const result = spawnSync(
+      process.execPath,
+      ["--import", "tsx", "scripts/dev/realtime-talk-live-smoke.ts", "--wat"],
+      {
+        cwd: process.cwd(),
+        encoding: "utf8",
+      },
+    );
+
+    expect(result.status).toBe(1);
+    expect(result.stdout).toBe("");
+    expect(result.stderr.trim()).toBe("Unknown argument: --wat");
+  });
+
   it("bounds OpenAI realtime smoke response body reads by content-length", async () => {
     const maxBytes = realtimeSmokeTesting.OPENAI_HTTP_RESPONSE_MAX_BYTES;
     const response = new Response("{}", {
diff --git a/test/scripts/summarize-cpuprofile.test.ts b/test/scripts/summarize-cpuprofile.test.ts
index 9afcc543d2d7..d683f4bfa528 100644
--- a/test/scripts/summarize-cpuprofile.test.ts
+++ b/test/scripts/summarize-cpuprofile.test.ts
@@ -4,7 +4,7 @@ import fs from "node:fs";
 import os from "node:os";
 import path from "node:path";
 import { describe, expect, it } from "vitest";
-import { parseArgs } from "../../scripts/perf/summarize-cpuprofile.mjs";
+import { parseArgs, shouldPrintHelp } from "../../scripts/perf/summarize-cpuprofile.mjs";
 
 describe("scripts/perf/summarize-cpuprofile.mjs", () => {
   it("parses split and inline positive limit flags", () => {
@@ -16,6 +16,28 @@ describe("scripts/perf/summarize-cpuprofile.mjs", () => {
       files: ["a.cpuprofile", "b.cpuprofile"],
       limit: 7,
     });
+    expect(parseArgs(["--limit", "5", "--", "--dash.cpuprofile"])).toEqual({
+      files: ["--dash.cpuprofile"],
+      limit: 5,
+    });
+  });
+
+  it("prints help without treating it as a profile path", () => {
+    expect(shouldPrintHelp(["--help"])).toBe(true);
+    expect(shouldPrintHelp(["--", "--help"])).toBe(false);
+
+    const result = spawnSync(
+      process.execPath,
+      ["scripts/perf/summarize-cpuprofile.mjs", "--help"],
+      {
+        cwd: process.cwd(),
+        encoding: "utf8",
+      },
+    );
+
+    expect(result.status).toBe(0);
+    expect(result.stdout).toContain("Usage: scripts/perf/summarize-cpuprofile.mjs");
+    expect(result.stderr).toBe("");
   });
 
   it("rejects malformed limit flags instead of falling back", () => {
@@ -29,6 +51,19 @@ describe("scripts/perf/summarize-cpuprofile.mjs", () => {
     }
   });
 
+  it("rejects unknown options instead of treating them as profile paths", () => {
+    expect(() => parseArgs(["--wat"])).toThrow("Unknown option: --wat");
+
+    const result = spawnSync(process.execPath, ["scripts/perf/summarize-cpuprofile.mjs", "--wat"], {
+      cwd: process.cwd(),
+      encoding: "utf8",
+    });
+
+    expect(result.status).toBe(1);
+    expect(result.stdout).toBe("");
+    expect(result.stderr.trim()).toBe("Unknown option: --wat");
+  });
+
   it("rejects empty CPU profiles instead of printing zero-sample summaries", () => {
     const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), "openclaw-cpuprofile-"));
     const profilePath = path.join(tempDir, "empty.cpuprofile");