diff --git a/src/routes/api/albums/[id]/+server.ts b/src/routes/api/albums/[id]/+server.ts
index b65921e..587fddf 100644
--- a/src/routes/api/albums/[id]/+server.ts
+++ b/src/routes/api/albums/[id]/+server.ts
@@ -1,4 +1,5 @@
 import type { RequestHandler } from './$types'
+import type { Prisma } from '@prisma/client'
 import { prisma } from '$lib/server/database'
 import {
 	jsonResponse,
@@ -89,7 +90,7 @@ export const PUT: RequestHandler = async (event) => {
 			coverPhotoId?: number
 			status?: string
 			showInUniverse?: boolean
-			content?: any
+			content?: Prisma.JsonValue
 		}>(event.request)
 
 		if (!body) {
diff --git a/src/routes/api/albums/[id]/photos/+server.ts b/src/routes/api/albums/[id]/photos/+server.ts
index 996d362..9d12433 100644
--- a/src/routes/api/albums/[id]/photos/+server.ts
+++ b/src/routes/api/albums/[id]/photos/+server.ts
@@ -143,7 +143,7 @@ export const PUT: RequestHandler = async (event) => {
 		}>(event.request)
 
 		// Also support legacy photoId parameter
-		const mediaId = body?.mediaId || (body as any)?.photoId
+		const mediaId = body?.mediaId || (body as Record<string, unknown>)?.photoId
 		if (!mediaId || body?.displayOrder === undefined) {
 			return errorResponse('Media ID and display order are required', 400)
 		}
diff --git a/src/routes/api/lastfm/+server.ts b/src/routes/api/lastfm/+server.ts
index dbaa843..0fc0f68 100644
--- a/src/routes/api/lastfm/+server.ts
+++ b/src/routes/api/lastfm/+server.ts
@@ -104,7 +104,7 @@ async function getRecentAlbums(
 		recentTracksResponse = JSON.parse(cached)
 		// Convert date strings back to Date objects
 		if (recentTracksResponse.tracks) {
-			recentTracksResponse.tracks = recentTracksResponse.tracks.map((track: any) => ({
+			recentTracksResponse.tracks = recentTracksResponse.tracks.map((track) => ({
 				...track,
 				date: track.date ? new Date(track.date) : undefined
 			}))
diff --git a/src/routes/api/media/+server.ts b/src/routes/api/media/+server.ts
index e6d27bd..d25dd46 100644
--- a/src/routes/api/media/+server.ts
+++ b/src/routes/api/media/+server.ts
@@ -1,4 +1,5 @@
 import type { RequestHandler } from './$types'
+import type { Prisma } from '@prisma/client'
 import { prisma } from '$lib/server/database'
 import {
 	jsonResponse,
@@ -29,7 +30,7 @@ export const GET: RequestHandler = async (event) => {
 		const albumId = event.url.searchParams.get('albumId')
 
 		// Build where clause
-		const whereConditions: any[] = []
+		const whereConditions: Prisma.MediaWhereInput[] = []
 
 		// Handle mime type filtering
 		if (mimeType && mimeType !== 'all') {
@@ -149,7 +150,7 @@ export const GET: RequestHandler = async (event) => {
 				: {}
 
 		// Build orderBy clause based on sort parameter
-		let orderBy: any = { createdAt: 'desc' } // default to newest
+		let orderBy: Prisma.MediaOrderByWithRelationInput = { createdAt: 'desc' } // default to newest
 
 		switch (sort) {
 			case 'oldest':
diff --git a/src/routes/api/media/[id]/+server.ts b/src/routes/api/media/[id]/+server.ts
index 44c1761..1177675 100644
--- a/src/routes/api/media/[id]/+server.ts
+++ b/src/routes/api/media/[id]/+server.ts
@@ -128,7 +128,7 @@ export const DELETE: RequestHandler = async (event) => {
 		}
 
 		// Check if media is in use
-		if (media.usedIn && (media.usedIn as any[]).length > 0) {
+		if (media.usedIn && Array.isArray(media.usedIn) && media.usedIn.length > 0) {
 			return errorResponse('Cannot delete media that is in use', 409)
 		}
 
diff --git a/src/routes/api/media/bulk-upload/+server.ts b/src/routes/api/media/bulk-upload/+server.ts
index f521e5b..1649808 100644
--- a/src/routes/api/media/bulk-upload/+server.ts
+++ b/src/routes/api/media/bulk-upload/+server.ts
@@ -51,7 +51,7 @@ async function extractExifData(file: File) {
 		if (!exif) return null
 
 		// Format EXIF data
-		const formattedExif: any = {}
+		const formattedExif: ExifData = {}
 
 		// Camera info
 		if (exif.Make && exif.Model) {
diff --git a/src/routes/api/media/upload/+server.ts b/src/routes/api/media/upload/+server.ts
index 24f078c..02bf75e 100644
--- a/src/routes/api/media/upload/+server.ts
+++ b/src/routes/api/media/upload/+server.ts
@@ -1,4 +1,5 @@
 import type { RequestHandler } from './$types'
+import type { Prisma } from '@prisma/client'
 import { prisma } from '$lib/server/database'
 import { uploadFile, isCloudinaryConfigured } from '$lib/server/cloudinary'
 import { jsonResponse, errorResponse, checkAdminAuth } from '$lib/server/api-utils'
@@ -6,8 +7,27 @@ import { logger } from '$lib/server/logger'
 import { dev } from '$app/environment'
 import exifr from 'exifr'
 
+// Type for formatted EXIF data
+interface ExifData {
+	camera?: string
+	lens?: string
+	focalLength?: string
+	aperture?: string
+	shutterSpeed?: string
+	iso?: number
+	dateTaken?: string
+	gps?: {
+		latitude: number
+		longitude: number
+		altitude?: number
+	}
+	orientation?: number
+	colorSpace?: string
+	[key: string]: unknown
+}
+
 // Helper function to extract and format EXIF data
-async function extractExifData(file: File): Promise<any> {
+async function extractExifData(file: File): Promise<ExifData | null> {
 	try {
 		const buffer = await file.arrayBuffer()
 		const exif = await exifr.parse(buffer, {
@@ -33,7 +53,7 @@ async function extractExifData(file: File): Promise<any> {
 		if (!exif) return null
 
 		// Format the data into a more usable structure
-		const formattedExif: any = {}
+		const formattedExif: ExifData = {}
 
 		if (exif.Make && exif.Model) {
 			formattedExif.camera = `${exif.Make} ${exif.Model}`.trim()
diff --git a/src/routes/api/photos/+server.ts b/src/routes/api/photos/+server.ts
index 47e4f23..402ee2d 100644
--- a/src/routes/api/photos/+server.ts
+++ b/src/routes/api/photos/+server.ts
@@ -1,9 +1,30 @@
 import type { RequestHandler } from './$types'
+import type { Prisma } from '@prisma/client'
 import { prisma } from '$lib/server/database'
 import { jsonResponse, errorResponse } from '$lib/server/api-utils'
 import { logger } from '$lib/server/logger'
 import type { PhotoItem, PhotoAlbum, Photo } from '$lib/types/photos'
 
+// Type for media with photo fields
+interface PhotoMedia {
+	id: number
+	photoSlug: string | null
+	filename: string
+	url: string
+	thumbnailUrl: string | null
+	width: number | null
+	height: number | null
+	dominantColor: string | null
+	colors: Prisma.JsonValue
+	aspectRatio: number | null
+	photoCaption: string | null
+	photoTitle: string | null
+	photoDescription: string | null
+	createdAt: Date
+	photoPublishedAt: Date | null
+	exifData: Prisma.JsonValue
+}
+
 // GET /api/photos - Get individual photos only (albums excluded from collection)
 export const GET: RequestHandler = async (event) => {
 	try {
@@ -39,11 +60,11 @@ export const GET: RequestHandler = async (event) => {
 		})
 
 		// Helper function to extract date from EXIF data
-		const getPhotoDate = (media: any): Date => {
+		const getPhotoDate = (media: PhotoMedia): Date => {
 			// Try to get date from EXIF data
 			if (media.exifData && typeof media.exifData === 'object') {
 				// Check for common EXIF date fields
-				const exif = media.exifData as any
+				const exif = media.exifData as Record<string, unknown>
 				const dateTaken = exif.DateTimeOriginal || exif.DateTime || exif.dateTaken
 				if (dateTaken) {
 					// Parse EXIF date format (typically "YYYY:MM:DD HH:MM:SS")
diff --git a/src/routes/api/posts/+server.ts b/src/routes/api/posts/+server.ts
index 3140afe..962d31a 100644
--- a/src/routes/api/posts/+server.ts
+++ b/src/routes/api/posts/+server.ts
@@ -1,4 +1,5 @@
 import type { RequestHandler } from './$types'
+import type { Prisma } from '@prisma/client'
 import { prisma } from '$lib/server/database'
 import {
 	jsonResponse,
@@ -29,7 +30,7 @@ export const GET: RequestHandler = async (event) => {
 		const postType = event.url.searchParams.get('postType')
 
 		// Build where clause
-		const where: any = {}
+		const where: Prisma.PostWhereInput = {}
 		if (status) {
 			where.status = status
 		}
diff --git a/src/routes/api/posts/[id]/+server.ts b/src/routes/api/posts/[id]/+server.ts
index 39d975a..fce7be4 100644
--- a/src/routes/api/posts/[id]/+server.ts
+++ b/src/routes/api/posts/[id]/+server.ts
@@ -1,4 +1,5 @@
 import type { RequestHandler } from './$types'
+import type { Prisma } from '@prisma/client'
 import { prisma } from '$lib/server/database'
 import { jsonResponse, errorResponse, checkAdminAuth } from '$lib/server/api-utils'
 import { logger } from '$lib/server/logger'
@@ -175,7 +176,7 @@ export const PATCH: RequestHandler = async (event) => {
       }
     }
 
-    const updateData: any = {}
+    const updateData: Prisma.PostUpdateInput = {}
 
     if (data.status !== undefined) {
       updateData.status = data.status