diff --git a/docs/content/docs/8.advanced/5.hooks.md b/docs/content/docs/8.advanced/5.hooks.md
index 5c8d48769..363c6d272 100644
--- a/docs/content/docs/8.advanced/5.hooks.md
+++ b/docs/content/docs/8.advanced/5.hooks.md
@@ -36,6 +36,21 @@ export default defineNuxtConfig({
 })
 ```
 
+## `content:manifest`{lang="ts"}
+
+This hook is called after the manifest is generated.
+
+```ts
+export default defineNuxtConfig({
+  hooks: {
+    'content:manifest'(ctx) {
+      // ...
+      // ctx.collections.push(resolveCollection('name', defineCollection()))
+    }
+  }
+})
+```
+
 ## Example Usage
 
 ```ts [nuxt.config.ts]
diff --git a/src/module.ts b/src/module.ts
index 99603aae6..0843832d4 100644
--- a/src/module.ts
+++ b/src/module.ts
@@ -22,7 +22,13 @@ import { kebabCase, pascalCase } from 'scule'
 import defu from 'defu'
 import { version } from '../package.json'
 import { generateCollectionInsert, generateCollectionTableDefinition } from './utils/collection'
-import { componentsManifestTemplate, contentTypesTemplate, fullDatabaseRawDumpTemplate, manifestTemplate, moduleTemplates } from './utils/templates'
+import {
+  componentsManifestTemplate,
+  contentTypesTemplate,
+  fullDatabaseRawDumpTemplate,
+  manifestTemplate,
+  moduleTemplates,
+} from './utils/templates'
 import type { ResolvedCollection } from './types/collection'
 import type { ModuleOptions } from './types/module'
 import { getContentChecksum, logger, chunks, NuxtContentHMRUnplugin } from './utils/dev'
@@ -120,6 +126,7 @@ export default defineNuxtModule<ModuleOptions>({
 
     const { collections } = await loadContentConfig(nuxt, options)
     manifest.collections = collections
+    await nuxt.callHook('content:manifest', manifest)
 
     nuxt.options.vite.optimizeDeps = defu(nuxt.options.vite.optimizeDeps, {
       exclude: ['@sqlite.org/sqlite-wasm'],
@@ -191,7 +198,10 @@ export default defineNuxtModule<ModuleOptions>({
       const preset = findPreset(nuxt)
       await preset.setupNitro(config, { manifest, resolver, moduleOptions: options, nuxt })
 
-      const resolveOptions = { resolver, sqliteConnector: options.experimental?.sqliteConnector || (options.experimental?.nativeSqlite ? 'native' : undefined) }
+      const resolveOptions = {
+        resolver,
+        sqliteConnector: options.experimental?.sqliteConnector || (options.experimental?.nativeSqlite ? 'native' : undefined),
+      }
       config.alias ||= {}
       config.alias['#content/adapter'] = await resolveDatabaseAdapter(config.runtimeConfig!.content!.database?.type || options.database.type, resolveOptions)
       config.alias['#content/local-adapter'] = await resolveDatabaseAdapter(options._localDatabase!.type || 'sqlite', resolveOptions)
@@ -400,13 +410,20 @@ async function processCollectionItems(nuxt: Nuxt, collections: ResolvedCollectio
       // NOTE: all queries having the structure comment at the end, will be ignored at init if no
       // structure changes are detected in the structureVersion
       `${generateCollectionTableDefinition(infoCollection, { drop: false })} -- structure`,
-      ...generateCollectionInsert(infoCollection, { id: `checksum_${collection.name}`, version, structureVersion, ready: false }).queries.map(row => `${row} -- meta`),
+      ...generateCollectionInsert(infoCollection, {
+        id: `checksum_${collection.name}`,
+        version,
+        structureVersion,
+        ready: false,
+      }).queries.map(row => `${row} -- meta`),
 
       // Insert queries for the collection
       ...collectionQueries,
 
       // and finally when we are finished, we update the info table to say that the init is done
-      `UPDATE ${infoCollection.tableName} SET ready = true WHERE id = 'checksum_${collection.name}'; -- meta`,
+      `UPDATE ${infoCollection.tableName}
+       SET ready = true
+       WHERE id = 'checksum_${collection.name}'; -- meta`,
     ]
   }
 
@@ -460,6 +477,7 @@ async function processCollectionItems(nuxt: Nuxt, collections: ResolvedCollectio
 }
 
 const proseTags = ['h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'p', 'a', 'strong', 'em', 's', 'code', 'span', 'blockquote', 'pre', 'hr', 'img', 'ul', 'ol', 'li', 'table', 'thead', 'tbody', 'tr', 'th', 'td']
+
 function getMappedTag(tag: string, additionalTags: Record<string, string> = {}) {
   if (proseTags.includes(tag)) {
     return `prose-${tag}`
diff --git a/src/types/hooks.ts b/src/types/hooks.ts
index 331b22035..69004a1ef 100644
--- a/src/types/hooks.ts
+++ b/src/types/hooks.ts
@@ -1,6 +1,7 @@
 import type { ResolvedCollection } from './collection'
 import type { ContentFile, ParsedContentFile } from './content'
 import type { PathMetaOptions } from './path-meta'
+import type { Manifest } from './manifest'
 
 // Parser options interface
 interface ParserOptions {
@@ -32,5 +33,6 @@ declare module '@nuxt/schema' {
   interface NuxtHooks {
     'content:file:beforeParse': (ctx: FileBeforeParseHook) => Promise<void> | void
     'content:file:afterParse': (ctx: FileAfterParseHook) => Promise<void> | void
+    'content:manifest': (manifest: Manifest) => Promise<void> | void
   }
 }
diff --git a/src/utils/index.ts b/src/utils/index.ts
index a4088891e..992ffd218 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -1,5 +1,5 @@
 export { metaStandardSchema, pageStandardSchema, property } from './schema'
-export { defineCollection, defineCollectionSource } from './collection'
+export { resolveCollection, defineCollection, defineCollectionSource } from './collection'
 export { defineContentConfig } from './config'
 export { defineTransformer } from './content/transformers/utils'
 
diff --git a/test/unit/hooks.test.ts b/test/unit/hooks.test.ts
index 6b02335e3..1a1ac07a9 100644
--- a/test/unit/hooks.test.ts
+++ b/test/unit/hooks.test.ts
@@ -5,6 +5,7 @@ import { resolveCollection } from '../../src/utils/collection'
 import { parseContent } from '../utils/content'
 import type { FileAfterParseHook, FileBeforeParseHook } from '../../src/types'
 import { initiateValidatorsContext } from '../../src/utils/dependencies'
+import type { Manifest } from '../../src/types/manifest'
 
 describe('Hooks', async () => {
   await initiateValidatorsContext()
@@ -57,4 +58,40 @@ foo: 'bar'
     expect(parsed.foo).toEqual('bar')
     expect(parsed.bar).toEqual('foo')
   })
+
+  it('content:manifest mutations are reflected in manifest', async () => {
+    const extraCollection = resolveCollection('injected', defineCollection({
+      type: 'data',
+      source: 'extra/**',
+      schema: z.object({
+        body: z.any(),
+      }),
+    }))!
+
+    const manifest: Manifest = {
+      checksumStructure: {},
+      checksum: {},
+      dump: {},
+      components: [],
+      collections: [collection],
+    }
+
+    // Simulate the module calling the hook
+    const nuxtMock = {
+      callHook(hook: string, ctx: Manifest) {
+        if (hook === 'content:manifest') {
+          ctx.collections.push(extraCollection)
+        }
+      },
+    }
+
+    nuxtMock.callHook('content:manifest', manifest)
+
+    // must be visible on original manifest object
+    expect(manifest.collections).toHaveLength(2)
+    // new collection is visible
+    expect(manifest.collections.find(c => c.name === 'injected')).toBeDefined()
+    // original collection still exists
+    expect(manifest.collections.find(c => c.name === 'hookTest')).toBeDefined()
+  })
 })