diff --git a/scripts/run-ci-e2e-tests.js b/scripts/run-ci-e2e-tests.js
index 7bbd538ec4045e..2b68e2917d44cf 100644
--- a/scripts/run-ci-e2e-tests.js
+++ b/scripts/run-ci-e2e-tests.js
@@ -85,7 +85,7 @@ try {
   );
 
   describe('Set up Verdaccio');
-  VERDACCIO_PID = setupVerdaccio(ROOT, VERDACCIO_CONFIG_PATH);
+  VERDACCIO_PID = setupVerdaccio();
 
   describe('Build and publish packages');
   if (exec('node ./scripts/build/build.js', {cwd: ROOT}).code) {
diff --git a/scripts/template/initialize.js b/scripts/template/initialize.js
index dd38532d26f1b2..a4e17f8a41cbe1 100644
--- a/scripts/template/initialize.js
+++ b/scripts/template/initialize.js
@@ -19,7 +19,6 @@ const {execSync} = require('child_process');
 const path = require('path');
 
 const REPO_ROOT = path.resolve(__dirname, '../..');
-const VERDACCIO_CONFIG_PATH = `${REPO_ROOT}/.circleci/verdaccio.yml`;
 const NPM_REGISTRY_SERVER = 'http://localhost:4873';
 
 const config = {
@@ -60,7 +59,7 @@ async function main() {
     return;
   }
 
-  const VERDACCIO_PID = setupVerdaccio(REPO_ROOT, VERDACCIO_CONFIG_PATH);
+  const VERDACCIO_PID = setupVerdaccio();
 
   try {
     process.stdout.write('Bootstrapped Verdaccio \u2705\n');
diff --git a/scripts/template/setup-verdaccio.js b/scripts/template/setup-verdaccio.js
index 1e843f9cc39f98..1d6347f8b0afba 100644
--- a/scripts/template/setup-verdaccio.js
+++ b/scripts/template/setup-verdaccio.js
@@ -12,24 +12,38 @@
 'use strict';
 
 const {execSync, spawn} = require('child_process');
+const fs = require('fs');
+const path = require('path');
 
-function setupVerdaccio(
-  reactNativeRootPath /*: string */,
-  verdaccioConfigPath /*: string */,
-  verdaccioStoragePath /*: ?string */,
-) /*: number */ {
-  execSync('echo "//localhost:4873/:_authToken=secretToken" > .npmrc', {
-    cwd: reactNativeRootPath,
-  });
+const REPO_ROOT = path.join(__dirname, '../..');
+const NPM_CONFIG_PATH = path.join(REPO_ROOT, '.npmrc');
+
+// TODO(huntie): Relocate (used by both local and CI scripts)
+const VERDACCIO_CONFIG_PATH = `${REPO_ROOT}/.circleci/verdaccio.yml`;
+const VERDACCIO_STORAGE_PATH = `${REPO_ROOT}/.circleci/storage`;
+const VERDACCIO_SERVER_URL = 'http://localhost:4873';
+
+/**
+ * Configure and run a local Verdaccio server. This is an npm proxy that can be
+ * used with `npm publish` and `npm install`, configured in
+ * `.circleci/verdaccio.yml`.
+ */
+function setupVerdaccio() /*: number */ {
+  const {host} = new URL(VERDACCIO_SERVER_URL);
+
+  // NOTE: Reading from/writing to an .npmrc in a workspaces project root is
+  // invalid from npm 9.x. Keyed config, such as `--registry`, should be
+  // specified in env vars or command invocations instead.
+  // See https://github.com/npm/cli/issues/6099
+  fs.writeFileSync(NPM_CONFIG_PATH, `//${host}/:_authToken=secretToken\n`);
 
   const verdaccioProcess = spawn(
     'npx',
-    ['verdaccio@5.16.3', '--config', verdaccioConfigPath],
-    {env: {...process.env, VERDACCIO_STORAGE_PATH: verdaccioStoragePath}},
+    ['verdaccio@5.16.3', '--config', VERDACCIO_CONFIG_PATH],
+    {env: {...process.env, VERDACCIO_STORAGE_PATH}},
   );
 
-  execSync('npx wait-on@6.0.1 http://localhost:4873');
-  execSync('npm set registry http://localhost:4873');
+  execSync(`npx wait-on@6.0.1 ${VERDACCIO_SERVER_URL}`);
 
   return verdaccioProcess.pid;
 }