diff --git a/package-lock.json b/package-lock.json
index 69786b6da0..7b6238d504 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19595,7 +19595,6 @@
       "version": "11.0.0",
       "resolved": "https://registry.npmjs.org/read-package-up/-/read-package-up-11.0.0.tgz",
       "integrity": "sha512-MbgfoNPANMdb4oRBNg5eqLbB2t2r+o5Ua1pNt8BqGp4I0FJZhuVSOj3PaBPni4azWuSzEdNn2evevzVmEk1ohQ==",
-      "license": "MIT",
       "dependencies": {
         "find-up-simple": "^1.0.0",
         "read-pkg": "^9.0.0",
@@ -24272,6 +24271,7 @@
         "omit.js": "^2.0.2",
         "p-locate": "^6.0.0",
         "path-type": "^6.0.0",
+        "read-package-up": "^11.0.0",
         "tomlify-j0.4": "^3.0.0",
         "validate-npm-package-name": "^5.0.0",
         "yaml": "^2.8.0",
diff --git a/packages/build/src/utils/json.ts b/packages/build/src/utils/json.ts
index 7476b256a8..e704646c07 100644
--- a/packages/build/src/utils/json.ts
+++ b/packages/build/src/utils/json.ts
@@ -2,7 +2,6 @@ import { readFile } from 'fs/promises'
 import { fileURLToPath } from 'url'
 
 import type { PackageJson } from 'read-package-up'
-
 // We know how our package.json looks like, so we can be very specific with the type
 // and only add the properties we want to use
 export type RootPackageJson = { name: string; version: string }
@@ -14,7 +13,7 @@ const ROOT_PACKAGE_JSON_PATH = fileURLToPath(new URL('../../package.json', impor
 export const importJsonFile = async function (filePath: string): Promise<PackageJson> {
   const fileContents = await readFile(filePath, 'utf-8')
 
-  return JSON.parse(fileContents)
+  return JSON.parse(fileContents) as PackageJson
 }
 
 export const ROOT_PACKAGE_JSON = (await importJsonFile(ROOT_PACKAGE_JSON_PATH)) as RootPackageJson
diff --git a/packages/config/package.json b/packages/config/package.json
index a3aa89ab3e..2d3b46dd2d 100644
--- a/packages/config/package.json
+++ b/packages/config/package.json
@@ -3,7 +3,9 @@
   "version": "23.0.11",
   "description": "Netlify config module",
   "type": "module",
-  "exports": "./lib/index.js",
+  "exports": {
+    ".": "./lib/index.js"
+  },
   "main": "./lib/index.js",
   "types": "./lib/index.d.ts",
   "bin": {
@@ -77,6 +79,7 @@
     "omit.js": "^2.0.2",
     "p-locate": "^6.0.0",
     "path-type": "^6.0.0",
+    "read-package-up": "^11.0.0",
     "tomlify-j0.4": "^3.0.0",
     "validate-npm-package-name": "^5.0.0",
     "yaml": "^2.8.0",
diff --git a/packages/config/src/utils/extensions/auto-install-extensions.ts b/packages/config/src/utils/extensions/auto-install-extensions.ts
index 07590cf2de..019f4d1044 100644
--- a/packages/config/src/utils/extensions/auto-install-extensions.ts
+++ b/packages/config/src/utils/extensions/auto-install-extensions.ts
@@ -110,6 +110,7 @@ export async function handleAutoInstallExtensions({
           netlifyToken: token,
           slug: ext.slug,
           hostSiteUrl: ext.hostSiteUrl,
+          extensionInstallationSource: mode,
         })
       }),
     )
diff --git a/packages/config/src/utils/extensions/utils.ts b/packages/config/src/utils/extensions/utils.ts
index 481b9f079d..4c94a6a2ba 100644
--- a/packages/config/src/utils/extensions/utils.ts
+++ b/packages/config/src/utils/extensions/utils.ts
@@ -1,5 +1,8 @@
 import { EXTENSION_API_BASE_URL } from '../../integrations.js'
+import { ModeOption } from '../../types/options.js'
+import { ROOT_PACKAGE_JSON } from '../json.js'
 
+const configVersion = ROOT_PACKAGE_JSON.version
 export type InstallExtensionResult =
   | {
       slug: string
@@ -18,12 +21,15 @@ export const installExtension = async ({
   accountId,
   slug,
   hostSiteUrl,
+  extensionInstallationSource,
 }: {
   netlifyToken: string
   accountId: string
   slug: string
   hostSiteUrl: string
+  extensionInstallationSource: ModeOption
 }): Promise<InstallExtensionResult> => {
+  const userAgent = `Netlify Config (mode:${extensionInstallationSource}) / ${configVersion}`
   const extensionOnInstallUrl = new URL('/.netlify/functions/handler/on-install', hostSiteUrl)
   const installedResponse = await fetch(extensionOnInstallUrl, {
     method: 'POST',
@@ -32,6 +38,7 @@ export const installExtension = async ({
     }),
     headers: {
       'netlify-token': netlifyToken,
+      'User-Agent': userAgent,
     },
   })
 
diff --git a/packages/config/src/utils/json.ts b/packages/config/src/utils/json.ts
new file mode 100644
index 0000000000..e704646c07
--- /dev/null
+++ b/packages/config/src/utils/json.ts
@@ -0,0 +1,19 @@
+import { readFile } from 'fs/promises'
+import { fileURLToPath } from 'url'
+
+import type { PackageJson } from 'read-package-up'
+// We know how our package.json looks like, so we can be very specific with the type
+// and only add the properties we want to use
+export type RootPackageJson = { name: string; version: string }
+
+const ROOT_PACKAGE_JSON_PATH = fileURLToPath(new URL('../../package.json', import.meta.url))
+
+// TODO: Replace with dynamic `import()` once it is supported without
+// experimental flags
+export const importJsonFile = async function (filePath: string): Promise<PackageJson> {
+  const fileContents = await readFile(filePath, 'utf-8')
+
+  return JSON.parse(fileContents) as PackageJson
+}
+
+export const ROOT_PACKAGE_JSON = (await importJsonFile(ROOT_PACKAGE_JSON_PATH)) as RootPackageJson