diff --git a/Taskfile.yaml b/Taskfile.yaml
index 00d710b0..9fec72b7 100644
--- a/Taskfile.yaml
+++ b/Taskfile.yaml
@@ -30,9 +30,7 @@ tasks:
   clean:
     desc: Clean build artifacts
     cmds:
-      - rm -rf dist
-      - rm -rf node_modules
-      - rm -f package-lock.json
+      - node -e "for (const p of ['dist', 'node_modules', 'package-lock.json']) require('node:fs').rmSync(p, {recursive:true, force:true})"
 
   typecheck:
     desc: Run TypeScript type checking
@@ -91,7 +89,7 @@ tasks:
       - npm run inspector:dev
 
   bump-version:
-    desc: Bump version in package.json and plugin.json (usage: task bump-version -- 0.9.8)
+    desc: 'Bump version in package.json and plugin.json (usage: task bump-version -- 0.9.8)'
     cmds:
       - node scripts/bump-version.mjs {{.CLI_ARGS}}
 
diff --git a/package.json b/package.json
index 796ebfe4..5c3eac36 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "publish:moz": "node scripts/publish-moz-package.mjs",
     "start": "node dist/index.js",
     "setup": "node scripts/setup-mcp-config.js",
-    "clean": "rm -rf dist",
+    "clean": "node -e \"require('node:fs').rmSync('dist', { recursive: true, force: true })\"",
     "typecheck": "tsc",
     "typecheck:tests": "tsc -p tests/tsconfig.json",
     "lint": "eslint src tests --ext .ts",
diff --git a/scripts/build-mcpb.mjs b/scripts/build-mcpb.mjs
index 3563463d..ef8505c0 100644
--- a/scripts/build-mcpb.mjs
+++ b/scripts/build-mcpb.mjs
@@ -5,7 +5,7 @@
  * manifest.json, then runs `mcpb pack` on it.
  */
 
-import { readFileSync, writeFileSync, existsSync, cpSync, mkdtempSync, rmSync } from 'node:fs';
+import { readFileSync, writeFileSync, cpSync, mkdirSync, mkdtempSync, rmSync } from 'node:fs';
 import { execSync } from 'node:child_process';
 import { resolve, dirname } from 'node:path';
 import { fileURLToPath } from 'node:url';
@@ -35,9 +35,7 @@ try {
   );
 
   const outDir = resolve(root, 'dist-mcpb');
-  if (!existsSync(outDir)) {
-    execSync(`mkdir -p ${outDir}`);
-  }
+  mkdirSync(outDir, { recursive: true });
   const outFile = resolve(outDir, `firefox-devtools-mcp-${pkg.version}.mcpb`);
 
   console.log('Packing .mcpb bundle...');
diff --git a/scripts/test-mozlog.js b/scripts/test-mozlog.js
index ae581f02..ba0bb7a2 100755
--- a/scripts/test-mozlog.js
+++ b/scripts/test-mozlog.js
@@ -2,11 +2,13 @@
 
 import { FirefoxDevTools } from '../dist/index.js';
 import { readFileSync, existsSync } from 'fs';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
 
 async function test() {
   console.log('=== Test: MOZ_LOG and Script Injection (headless) ===\n');
 
-  const logFile = '/tmp/firefox-mozlog-test.log';
+  const logFile = join(tmpdir(), 'firefox-mozlog-test.log');
 
   const firefox = new FirefoxDevTools({
     headless: true,