diff --git a/scripts/bedrock-runtime-adapter.js b/scripts/bedrock-runtime-adapter.mts
similarity index 74%
rename from scripts/bedrock-runtime-adapter.js
rename to scripts/bedrock-runtime-adapter.mts
index 1a024291deb..2e3de9e9f7f 100755
--- a/scripts/bedrock-runtime-adapter.js
+++ b/scripts/bedrock-runtime-adapter.mts
@@ -2,9 +2,7 @@
 // SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 // SPDX-License-Identifier: Apache-2.0
 
-const {
-  startBedrockRuntimeAdapterFromEnv,
-} = require("../dist/lib/inference/bedrock-runtime-adapter");
+import { startBedrockRuntimeAdapterFromEnv } from "../dist/lib/inference/bedrock-runtime-adapter.js";
 
 try {
   startBedrockRuntimeAdapterFromEnv();
diff --git a/src/lib/inference/bedrock-runtime-adapter.test.ts b/src/lib/inference/bedrock-runtime-adapter.test.ts
index f4dbe1587a6..38908c684fc 100644
--- a/src/lib/inference/bedrock-runtime-adapter.test.ts
+++ b/src/lib/inference/bedrock-runtime-adapter.test.ts
@@ -12,6 +12,7 @@ import {
   createOpenAiChatCompletion,
   streamOpenAiChatCompletion,
 } from "./bedrock-runtime-adapter";
+import { isLocalAdapterProcess } from "./local-adapter-lifecycle";
 
 const servers: http.Server[] = [];
 
@@ -382,6 +383,42 @@ describe("Bedrock Runtime OpenAI adapter", () => {
     expect(body.error.message).toContain("Could not load credentials");
   });
 
+  it("spawns the typed .mts launcher entrypoint", () => {
+    expect(__test.getAdapterScriptPath().endsWith("bedrock-runtime-adapter.mts")).toBe(true);
+  });
+
+  it("recognizes adapter processes launched from the old and new launcher filenames", () => {
+    const needle = __test.adapterProcessNeedle;
+    expect(
+      isLocalAdapterProcess(
+        4321,
+        needle,
+        () => "node /opt/nemoclaw/scripts/bedrock-runtime-adapter.mts",
+      ),
+    ).toBe(true);
+    expect(
+      isLocalAdapterProcess(
+        4321,
+        needle,
+        () => "node /opt/nemoclaw/scripts/bedrock-runtime-adapter.js",
+      ),
+    ).toBe(true);
+    expect(
+      isLocalAdapterProcess(
+        4321,
+        needle,
+        () => "node /opt/nemoclaw/scripts/openrouter-runtime-adapter-entry.js",
+      ),
+    ).toBe(false);
+    expect(
+      isLocalAdapterProcess(
+        4321,
+        needle,
+        () => "node /opt/nemoclaw/scripts/my-bedrock-runtime-adapter.mts",
+      ),
+    ).toBe(false);
+  });
+
   it("includes forwarded AWS environment in the adapter reuse hash", () => {
     const savedContainerCredentials = process.env.AWS_CONTAINER_CREDENTIALS_RELATIVE_URI;
     const savedSharedCredentials = process.env.AWS_SHARED_CREDENTIALS_FILE;
diff --git a/src/lib/inference/bedrock-runtime-adapter.ts b/src/lib/inference/bedrock-runtime-adapter.ts
index 83b8b91993b..36f3691f738 100644
--- a/src/lib/inference/bedrock-runtime-adapter.ts
+++ b/src/lib/inference/bedrock-runtime-adapter.ts
@@ -316,14 +316,21 @@ function loadPersistedPid(): number | null {
   return loadLocalAdapterPid(PID_PATH);
 }
 
+const ADAPTER_LAUNCHER_BASENAMES = ["bedrock-runtime-adapter.mts", "bedrock-runtime-adapter.js"];
+const ADAPTER_PROCESS_NEEDLE = new RegExp(
+  `(?:^|[^A-Za-z0-9_.-])(?:${ADAPTER_LAUNCHER_BASENAMES.map((name) =>
+    name.replaceAll(".", "\\."),
+  ).join("|")})(?:$|[^A-Za-z0-9_.-])`,
+);
+
 function isAdapterProcess(pid: number | null | undefined): boolean {
-  return isLocalAdapterProcess(pid, "bedrock-runtime-adapter.js", runCapture);
+  return isLocalAdapterProcess(pid, ADAPTER_PROCESS_NEEDLE, runCapture);
 }
 
 function killStaleAdapter(): void {
   killLocalAdapterPid({
     pidPath: PID_PATH,
-    processNeedle: "bedrock-runtime-adapter.js",
+    processNeedle: ADAPTER_PROCESS_NEEDLE,
     run,
     runCapture,
   });
@@ -331,7 +338,7 @@ function killStaleAdapter(): void {
 
 function getAdapterScriptPath(): string {
   const scriptsDir = typeof SCRIPTS === "string" ? SCRIPTS : path.join(process.cwd(), "scripts");
-  return path.join(scriptsDir, "bedrock-runtime-adapter.js");
+  return path.join(scriptsDir, "bedrock-runtime-adapter.mts");
 }
 
 function copyAwsEnv(extra: Record<string, string>): void {
@@ -478,4 +485,6 @@ export function getCompatibleAnthropicCredentialForBedrock(): string | null {
 
 export const __test = {
   adapterCredentialHash,
+  adapterProcessNeedle: ADAPTER_PROCESS_NEEDLE,
+  getAdapterScriptPath,
 };
diff --git a/src/lib/inference/local-adapter-lifecycle.ts b/src/lib/inference/local-adapter-lifecycle.ts
index 66a9aef11e3..8aa2f81d31f 100644
--- a/src/lib/inference/local-adapter-lifecycle.ts
+++ b/src/lib/inference/local-adapter-lifecycle.ts
@@ -136,17 +136,21 @@ export function loadLocalAdapterPid(filePath: string): number | null {
 
 export function isLocalAdapterProcess(
   pid: number | null | undefined,
-  processNeedle: string,
+  processNeedle: string | RegExp,
   runCapture: RunCaptureFn,
 ): boolean {
   if (!Number.isInteger(pid) || !pid || pid <= 0) return false;
-  const cmdline = runCapture(["ps", "-p", String(pid), "-o", "args="], { ignoreError: true });
-  return Boolean(String(cmdline || "").includes(processNeedle));
+  const cmdline = String(
+    runCapture(["ps", "-p", String(pid), "-o", "args="], { ignoreError: true }) || "",
+  );
+  return typeof processNeedle === "string"
+    ? cmdline.includes(processNeedle)
+    : processNeedle.test(cmdline);
 }
 
 export function killLocalAdapterPid(options: {
   pidPath: string;
-  processNeedle: string;
+  processNeedle: string | RegExp;
   run: RunFn;
   runCapture: RunCaptureFn;
 }): void {
diff --git a/test/e2e/live/bedrock-runtime-compatible-anthropic.test.ts b/test/e2e/live/bedrock-runtime-compatible-anthropic.test.ts
index 48da2c017aa..3eb845eca52 100644
--- a/test/e2e/live/bedrock-runtime-compatible-anthropic.test.ts
+++ b/test/e2e/live/bedrock-runtime-compatible-anthropic.test.ts
@@ -581,11 +581,13 @@ function stopBedrockAdapter(home: string): void {
   }
 }
 
+const BEDROCK_ADAPTER_LAUNCHER_PATTERN =
+  /(?:^|[^A-Za-z0-9_.-])bedrock-runtime-adapter\.(?:mts|js)(?:$|[^A-Za-z0-9_.-])/;
+
 function isBedrockAdapterProcess(pid: number): boolean {
-  const expectedScript = "bedrock-runtime-adapter.js";
   try {
     const cmdline = fs.readFileSync(`/proc/${pid}/cmdline`, "utf8").replaceAll("\0", " ");
-    if (cmdline.includes(expectedScript)) return true;
+    if (BEDROCK_ADAPTER_LAUNCHER_PATTERN.test(cmdline)) return true;
   } catch {
     // Fall back to ps on platforms without procfs.
   }
@@ -594,7 +596,7 @@ function isBedrockAdapterProcess(pid: number): boolean {
     encoding: "utf8",
     stdio: ["ignore", "pipe", "ignore"],
   });
-  return ps.status === 0 && ps.stdout.includes(expectedScript);
+  return ps.status === 0 && BEDROCK_ADAPTER_LAUNCHER_PATTERN.test(ps.stdout);
 }
 
 async function restoreHostsFile(
@@ -1307,6 +1309,11 @@ test("bedrock runtime compatible Anthropic endpoint routes through managed infer
   timeout: TEST_TIMEOUT_MS,
 }, async ({ artifacts, cleanup, host, sandbox, secrets, skip }) => {
   assertAgent(AGENT);
+  const shard =
+    process.env.GITHUB_ACTIONS === "true"
+      ? process.env.NEMOCLAW_E2E_SHARD
+      : (process.env.NEMOCLAW_E2E_SHARD ?? AGENT);
+  expect(shard).toBe(AGENT);
   validateSandboxName(SANDBOX_NAME);
 
   const home = fs.mkdtempSync(path.join(os.tmpdir(), "nemoclaw-bedrock-runtime-home-"));