diff --git a/.evergreen.yml b/.evergreen.yml
index 159d59360d..ef0f7b0771 100644
--- a/.evergreen.yml
+++ b/.evergreen.yml
@@ -163,6 +163,7 @@ functions:
           DISTRO_ID: ${distro_id}
           MONOGDB_DRIVER_VERSION_OVERRIDE: ${mongodb_driver_version_override}
           PUPPETEER_SKIP_DOWNLOAD: ${puppeteer_skip_download|true}
+          MONGOSH_INSTALL_WORKSPACE: ${mongosh_install_workspace|}
         script: |
           set -e
           set -x
@@ -6206,6 +6207,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/arg-parser"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6225,6 +6227,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/async-rewriter2"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6244,6 +6247,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/autocomplete"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6263,6 +6267,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "false"
+          mongosh_install_workspace: "@mongosh/browser-repl"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6282,6 +6287,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/browser-runtime-core"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6301,6 +6307,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/browser-runtime-electron"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6320,6 +6327,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/build"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6339,6 +6347,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/cli-repl"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6358,6 +6367,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/connectivity-tests"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6377,6 +6387,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/e2e-tests"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6396,6 +6407,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/editor"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6415,6 +6427,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/errors"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6434,6 +6447,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/history"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6453,6 +6467,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/i18n"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6472,6 +6487,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/java-shell"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6491,6 +6507,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/js-multiline-to-singleline"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6510,6 +6527,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/logging"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6529,6 +6547,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/mongosh"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6548,6 +6567,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/node-runtime-worker-thread"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6567,6 +6587,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/service-provider-core"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6586,6 +6607,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/service-provider-node-driver"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6605,6 +6627,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/shell-api"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6624,6 +6647,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/shell-bson"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6643,6 +6667,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/shell-evaluator"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6662,6 +6687,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/snippet-manager"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6681,6 +6707,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/testing"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
@@ -6700,6 +6727,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "true"
+          mongosh_install_workspace: "@mongosh/types"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
diff --git a/.evergreen/evergreen.yml.in b/.evergreen/evergreen.yml.in
index 37aa6caa74..134ef65111 100644
--- a/.evergreen/evergreen.yml.in
+++ b/.evergreen/evergreen.yml.in
@@ -172,6 +172,7 @@ functions:
           DISTRO_ID: ${distro_id}
           MONOGDB_DRIVER_VERSION_OVERRIDE: ${mongodb_driver_version_override}
           PUPPETEER_SKIP_DOWNLOAD: ${puppeteer_skip_download|true}
+          MONGOSH_INSTALL_WORKSPACE: ${mongosh_install_workspace|}
         script: |
           set -e
           set -x
@@ -1167,6 +1168,7 @@ tasks:
         vars:
           node_js_version: ${node_js_version}
           puppeteer_skip_download: "<% out(usePuppeteer ? "false" : "true") %>"
+          mongosh_install_workspace: "@mongosh/<% out(packageName) %>"
       - func: test
         vars:
           mongosh_server_test_version: ${mongosh_server_test_version}
diff --git a/.evergreen/install-npm-deps.sh b/.evergreen/install-npm-deps.sh
index 1752a52b4f..928edc84b7 100755
--- a/.evergreen/install-npm-deps.sh
+++ b/.evergreen/install-npm-deps.sh
@@ -5,7 +5,13 @@ export BASEDIR="$PWD/.evergreen"
 
 . "$BASEDIR/setup-env.sh"
 
-npm ci --verbose
+# If MONGOSH_INSTALL_WORKSPACE is set, install only that workspace
+if [[ -n "$MONGOSH_INSTALL_WORKSPACE" ]]; then
+  echo "Installing workspace: $MONGOSH_INSTALL_WORKSPACE"
+  npm ci -w "$MONGOSH_INSTALL_WORKSPACE" --include-workspace-root --verbose
+else
+  npm ci --verbose
+fi
 echo "MONOGDB_DRIVER_VERSION_OVERRIDE:$MONOGDB_DRIVER_VERSION_OVERRIDE"
 
 # if MONOGDB_DRIVER_VERSION_OVERRIDE is set, then we want to replace the package version
@@ -28,7 +34,17 @@ npm run mark-ci-required-optional-dependencies
 # mongodb-client-encryption failed to install (it can't install on some
 # platforms), then install again ignoring scripts so that the package installs
 # along with its types, but npm wouldn't try and compile the addon
-(npm ci && test -e node_modules/mongodb-client-encryption) || npm ci --ignore-scripts
+if [[ -n "$MONGOSH_INSTALL_WORKSPACE" ]]; then
+  # Check if the workspace or root actually depends on mongodb-client-encryption
+  if npm ls --workspace "$MONGOSH_INSTALL_WORKSPACE" --depth=1 mongodb-client-encryption > /dev/null 2>&1; then
+    echo "Workspace or root depends on mongodb-client-encryption, retrying install with optional deps..."
+    (npm ci -w "$MONGOSH_INSTALL_WORKSPACE" --include-workspace-root && test -e node_modules/mongodb-client-encryption) || npm ci -w "$MONGOSH_INSTALL_WORKSPACE" --include-workspace-root --ignore-scripts
+  else
+    echo "Workspace does not depend on mongodb-client-encryption, skipping optional deps reinstall"
+  fi
+else
+  (npm ci && test -e node_modules/mongodb-client-encryption) || npm ci --ignore-scripts
+fi
 
 echo "npm packages after installation"
 npm ls || true
diff --git a/package-lock.json b/package-lock.json
index 14ad2515e5..d57e2d55b8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12719,9 +12719,9 @@
       "license": "MIT"
     },
     "node_modules/@types/babel__core": {
-      "version": "7.20.1",
-      "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.1.tgz",
-      "integrity": "sha512-aACu/U/omhdk15O4Nfb+fHgH/z3QsfQzpnvRZhYhThms83ZnAOZz7zZAWO7mn2yyNQaA4xTO8GLK3uqFU4bYYw==",
+      "version": "7.20.5",
+      "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.5.tgz",
+      "integrity": "sha512-qoQprZvz5wQFJwMDqeseRXWv3rqMvhgpbXFfVyWhbx9X47POIA6i/+dXefEmZKoAgOaTdaIgNSMqMIU61yRyzA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -37136,7 +37136,7 @@
         "@mongodb-js/eslint-config-mongosh": "^1.0.0",
         "@mongodb-js/prettier-config-devtools": "^1.0.1",
         "@mongodb-js/tsconfig-mongosh": "^1.0.0",
-        "@types/babel__core": "^7.20.1",
+        "@types/babel__core": "^7.20.5",
         "eslint": "^7.25.0",
         "prettier": "^2.8.8"
       },
@@ -38639,7 +38639,7 @@
         "@mongodb-js/eslint-config-mongosh": "^1.0.0",
         "@mongodb-js/prettier-config-devtools": "^1.0.1",
         "@mongodb-js/tsconfig-mongosh": "^1.0.0",
-        "@types/babel__core": "^7.1.18",
+        "@types/babel__core": "^7.20.5",
         "eslint": "^7.25.0",
         "prettier": "^2.8.8"
       },
@@ -38715,6 +38715,11 @@
       },
       "engines": {
         "node": ">=14.15.1"
+      },
+      "optionalDependencies": {
+        "glibc-version": "^1.0.0",
+        "macos-export-certificate-and-key": "^1.2.4",
+        "win-export-certificate-and-key": "^2.1.0"
       }
     },
     "packages/service-provider-core": {
@@ -38796,6 +38801,7 @@
         "@mongodb-js/tsconfig-mongosh": "^1.0.0",
         "@mongosh/testing": "0.0.0-dev.0",
         "@mongosh/types": "^3.14.1",
+        "@types/babel__core": "^7.20.5",
         "bson": "^6.10.4",
         "eslint": "^7.25.0",
         "mongodb": "^6.19.0",
diff --git a/packages/async-rewriter2/package.json b/packages/async-rewriter2/package.json
index 7c99bc8c5c..e766810ac4 100644
--- a/packages/async-rewriter2/package.json
+++ b/packages/async-rewriter2/package.json
@@ -49,7 +49,7 @@
     "@mongodb-js/eslint-config-mongosh": "^1.0.0",
     "@mongodb-js/prettier-config-devtools": "^1.0.1",
     "@mongodb-js/tsconfig-mongosh": "^1.0.0",
-    "@types/babel__core": "^7.20.1",
+    "@types/babel__core": "^7.20.5",
     "eslint": "^7.25.0",
     "prettier": "^2.8.8"
   }
diff --git a/packages/i18n/package.json b/packages/i18n/package.json
index b5c3fc68c1..d32a98ca3f 100644
--- a/packages/i18n/package.json
+++ b/packages/i18n/package.json
@@ -4,6 +4,16 @@
   "description": "MongoDB Shell i18n Project",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
+  "exports": {
+    ".": {
+      "default": "./lib/index.js",
+      "types": "./lib/index.d.ts"
+    },
+    "./locales": {
+      "default": "./src/locales/index.ts",
+      "types": "./src/locales/index.d.ts"
+    }
+  },
   "repository": {
     "type": "git",
     "url": "git://github.com/mongodb-js/mongosh.git"
diff --git a/packages/i18n/src/catalog.ts b/packages/i18n/src/catalog.ts
index 657d87cc4c..170539b9c7 100644
--- a/packages/i18n/src/catalog.ts
+++ b/packages/i18n/src/catalog.ts
@@ -15,10 +15,10 @@ type NestedRecord =
       [key: string]: NestedRecord;
     };
 
-export default interface Catalog {
+export type Catalog = {
   [packageName: string]:
     | {
         classes: Record<string, ClassHelpItem>;
       }
     | NestedRecord;
-}
+};
diff --git a/packages/i18n/src/locales/de_DE.ts b/packages/i18n/src/locales/de_DE.ts
index b78792bb54..2e288d1813 100644
--- a/packages/i18n/src/locales/de_DE.ts
+++ b/packages/i18n/src/locales/de_DE.ts
@@ -1,4 +1,5 @@
-import type Catalog from '../catalog';
+// eslint-disable-next-line filename-rules/match
+import type { Catalog } from '../catalog';
 import enUs from './en_US';
 
 /**
diff --git a/packages/i18n/src/locales/en_US.ts b/packages/i18n/src/locales/en_US.ts
index 50100f189a..5a1a932dc9 100644
--- a/packages/i18n/src/locales/en_US.ts
+++ b/packages/i18n/src/locales/en_US.ts
@@ -1,5 +1,5 @@
 /* eslint-disable filename-rules/match */
-import type Catalog from '../catalog';
+import type { Catalog } from '../catalog';
 
 /**
  * US english translations.
diff --git a/packages/i18n/src/locales/index.ts b/packages/i18n/src/locales/index.ts
new file mode 100644
index 0000000000..88dfca6204
--- /dev/null
+++ b/packages/i18n/src/locales/index.ts
@@ -0,0 +1,5 @@
+import en_US from './en_US';
+import de_DE from './de_DE';
+
+export { type Catalog } from '../catalog';
+export { en_US, de_DE };
diff --git a/packages/i18n/src/translator.ts b/packages/i18n/src/translator.ts
index 1f61cd6051..f44865dadf 100644
--- a/packages/i18n/src/translator.ts
+++ b/packages/i18n/src/translator.ts
@@ -1,5 +1,5 @@
 import { MongoshInternalError } from '@mongosh/errors';
-import type Catalog from './catalog';
+import type { Catalog } from './catalog';
 import de_DE from './locales/de_DE';
 import en_US from './locales/en_US';
 
diff --git a/packages/js-multiline-to-singleline/package.json b/packages/js-multiline-to-singleline/package.json
index a184318063..287fb86c0d 100644
--- a/packages/js-multiline-to-singleline/package.json
+++ b/packages/js-multiline-to-singleline/package.json
@@ -41,7 +41,7 @@
     "@mongodb-js/eslint-config-mongosh": "^1.0.0",
     "@mongodb-js/prettier-config-devtools": "^1.0.1",
     "@mongodb-js/tsconfig-mongosh": "^1.0.0",
-    "@types/babel__core": "^7.1.18",
+    "@types/babel__core": "^7.20.5",
     "eslint": "^7.25.0",
     "prettier": "^2.8.8"
   }
diff --git a/packages/node-runtime-worker-thread/package.json b/packages/node-runtime-worker-thread/package.json
index 1385da8d26..c16b5b1b4d 100644
--- a/packages/node-runtime-worker-thread/package.json
+++ b/packages/node-runtime-worker-thread/package.json
@@ -56,5 +56,23 @@
   "dependencies": {
     "interruptor": "^1.0.1",
     "system-ca": "^2.0.1"
+  },
+  "optionalDependencies": {
+    "glibc-version": "^1.0.0",
+    "macos-export-certificate-and-key": "^1.2.4",
+    "win-export-certificate-and-key": "^2.1.0"
+  },
+  "mongosh": {
+    "ciRequiredOptionalDependencies": {
+      "macos-export-certificate-and-key": [
+        "darwin"
+      ],
+      "win-export-certificate-and-key": [
+        "win32"
+      ],
+      "glibc-version": [
+        "linux"
+      ]
+    }
   }
 }
diff --git a/packages/shell-api/package.json b/packages/shell-api/package.json
index a0e3025eba..12c40fc664 100644
--- a/packages/shell-api/package.json
+++ b/packages/shell-api/package.json
@@ -72,6 +72,7 @@
     "prettier": "^2.8.8",
     "semver": "^7.5.3",
     "@babel/core": "^7.26.10",
-    "@babel/types": "^7.26.10"
+    "@babel/types": "^7.26.10",
+    "@types/babel__core": "^7.20.5"
   }
 }
diff --git a/packages/shell-api/src/deep-inspect/custom-inspect.ts b/packages/shell-api/src/deep-inspect/custom-inspect.ts
index 4282e946d0..467809db5c 100644
--- a/packages/shell-api/src/deep-inspect/custom-inspect.ts
+++ b/packages/shell-api/src/deep-inspect/custom-inspect.ts
@@ -1,4 +1,5 @@
 import type { InspectOptions, inspect as _inspect } from 'util';
+import type { Document } from '@mongosh/service-provider-core';
 
 const customInspectSymbol = Symbol.for('nodejs.util.inspect.custom');
 
diff --git a/packages/i18n/src/missing-help.spec.ts b/packages/shell-api/src/missing-help.spec.ts
similarity index 66%
rename from packages/i18n/src/missing-help.spec.ts
rename to packages/shell-api/src/missing-help.spec.ts
index 7606a18727..d525f56b35 100644
--- a/packages/i18n/src/missing-help.spec.ts
+++ b/packages/shell-api/src/missing-help.spec.ts
@@ -1,6 +1,5 @@
-import fs from 'fs';
-import path from 'path';
-import { signatures } from '../../shell-api/src/index';
+import { signatures } from './index';
+import { en_US, type Catalog } from '@mongosh/i18n/locales';
 
 const IGNORED_TYPES = [
   'unknown',
@@ -19,29 +18,18 @@ const IGNORED_ATTRIBUTES = [
   'ChangeStreamCursor.pretty',
 ];
 
-const localesDir = path.resolve(__dirname, 'locales');
-
-const localeFiles = fs
-  .readdirSync(localesDir)
-  .filter((filename) => {
-    return /^[a-z]{2,3}_[A-Z]{2,3}\.ts$/.exec(filename);
-  })
-  .filter((filename) => {
-    // skip german for now
-    return filename.includes('en');
-  });
-
 const typeNames = Object.keys(signatures).filter(
   (typeName) => !IGNORED_TYPES.includes(typeName)
 );
 
-localeFiles.forEach((localeFile) => {
-  const locale = require(path.join(localesDir, localeFile)).default;
-  const localeName = localeFile.replace('.ts', '');
-
-  describe(`${localeName}`, function () {
-    typeNames.forEach((typeName) => {
-      const typeHelp = locale['shell-api'].classes[typeName];
+for (const [localeName, locale] of [
+  ['en_US', en_US],
+  // Skip German for now
+  //   ['de_DE', de_DE],
+] as [string, Catalog][]) {
+  describe(`i18n with ${localeName} locale`, function () {
+    for (const typeName of typeNames) {
+      const typeHelp = (locale['shell-api'] as any).classes[typeName];
 
       it(`has translations for ${typeName} type`, function () {
         if (!typeHelp) {
@@ -60,7 +48,7 @@ localeFiles.forEach((localeFile) => {
           !IGNORED_ATTRIBUTES.includes(`${typeName}.${attributeName}`)
       );
 
-      attributeNames.forEach((attributeName) => {
+      for (const attributeName of attributeNames) {
         it(`has translations for ${typeName}.${attributeName} attribute`, function () {
           const attributeHelp =
             typeHelp.help.attributes && typeHelp.help.attributes[attributeName];
@@ -74,7 +62,7 @@ localeFiles.forEach((localeFile) => {
             );
           }
         });
-      });
-    });
+      }
+    }
   });
-});
+}
diff --git a/packages/shell-api/src/shell-instance-state.ts b/packages/shell-api/src/shell-instance-state.ts
index 4aae05f865..d20dbfb8e2 100644
--- a/packages/shell-api/src/shell-instance-state.ts
+++ b/packages/shell-api/src/shell-instance-state.ts
@@ -3,6 +3,7 @@ import type {
   AutoEncryptionOptions,
   ConnectionExtraInfo,
   ConnectionInfo,
+  Document,
   ServerApi,
   ServiceProvider,
   ServiceProviderBaseCursor,