diff --git a/packages/bsky/src/data-plane/server/routes/interactions.ts b/packages/bsky/src/data-plane/server/routes/interactions.ts
new file mode 100644
index 00000000000..3d3ddc7f124
--- /dev/null
+++ b/packages/bsky/src/data-plane/server/routes/interactions.ts
@@ -0,0 +1,40 @@
+import { keyBy } from '@atproto/common'
+import { ServiceImpl } from '@connectrpc/connect'
+import { Service } from '../../gen/bsky_connect'
+import { Database } from '../db'
+
+export default (db: Database): Partial<ServiceImpl<typeof Service>> => ({
+  async getInteractionCounts(req) {
+    const uris = req.refs.map((ref) => ref.uri)
+    if (uris.length === 0) {
+      return { likes: [], replies: [], reposts: [] }
+    }
+    const res = await db.db
+      .selectFrom('post_agg')
+      .where('uri', 'in', uris)
+      .selectAll()
+      .execute()
+    const byUri = keyBy(res, 'uri')
+    return {
+      likes: uris.map((uri) => byUri[uri]?.likeCount ?? 0),
+      replies: uris.map((uri) => byUri[uri]?.replyCount ?? 0),
+      reposts: uris.map((uri) => byUri[uri]?.repostCount ?? 0),
+    }
+  },
+  async getCountsForUsers(req) {
+    if (req.dids.length === 0) {
+      return { followers: [], following: [], posts: [] }
+    }
+    const res = await db.db
+      .selectFrom('profile_agg')
+      .selectAll()
+      .where('did', 'in', req.dids)
+      .execute()
+    const byDid = keyBy(res, 'did')
+    return {
+      followers: req.dids.map((uri) => byDid[uri]?.followersCount ?? 0),
+      following: req.dids.map((uri) => byDid[uri]?.followsCount ?? 0),
+      posts: req.dids.map((uri) => byDid[uri]?.postsCount ?? 0),
+    }
+  },
+})