diff --git a/README.md b/README.md
index 40f6867..0c88330 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,9 @@ This repository contains robot plugins for use with HRIStudio, a platform for de
 robot-plugins/
 ├── plugins/         # Robot plugin definitions (JSON)
 ├── assets/         # Robot images and 3D models
+│   ├── repository-icon.png  # Repository icon (256x256px)
+│   ├── repository-logo.png  # Repository logo (512x512px)
+│   ├── repository-banner.png  # Repository banner (optional)
 │   └── {robotId}/  # Assets for each robot
 └── docs/           # Plugin documentation
 ```
@@ -28,13 +31,18 @@ For each robot plugin, you need:
 
 ### Assets
 - `assets/{robotId}/thumb.png` - Thumbnail image (160x160px)
+- `assets/{robotId}/logo.png` - Robot logo (512x512px, transparent background)
 - `assets/{robotId}/main.png` - Main image (16:9 aspect ratio)
-- `assets/{robotId}/dimensions.png` - Technical drawing (optional)
 - Additional views (optional):
   - `assets/{robotId}/front.png`
   - `assets/{robotId}/side.png`
   - `assets/{robotId}/top.png`
 
+### Repository Assets
+- `assets/repository-icon.png` - Repository icon (256x256px, square)
+- `assets/repository-logo.png` - Repository logo (512x512px, transparent background)
+- `assets/repository-banner.png` - Repository banner (optional, 1280x640px)
+
 ## Plugin Schema
 
 See [docs/schema.md](docs/schema.md) for the complete plugin schema documentation.
diff --git a/assets/repository-banner.png b/assets/repository-banner.png
new file mode 100644
index 0000000..a59d224
Binary files /dev/null and b/assets/repository-banner.png differ
diff --git a/assets/repository-icon.png b/assets/repository-icon.png
new file mode 100644
index 0000000..9925d00
Binary files /dev/null and b/assets/repository-icon.png differ
diff --git a/assets/repository-logo.png b/assets/repository-logo.png
new file mode 100644
index 0000000..f6311da
Binary files /dev/null and b/assets/repository-logo.png differ
diff --git a/docs/schema.md b/docs/schema.md
index 4193c96..85f9437 100644
--- a/docs/schema.md
+++ b/docs/schema.md
@@ -2,7 +2,60 @@
 
 This document describes the schema for HRIStudio robot plugins.
 
-## Overview
+## Repository Metadata
+
+The repository itself is defined by a `repository.json` file with the following structure:
+
+```json
+{
+  "id": string,
+  "name": string,
+  "description": string?,
+  "url": string (URL),
+  "official": boolean,
+  "author": {
+    "name": string,
+    "email": string (email)?,
+    "url": string (URL)?,
+    "organization": string?
+  },
+  "maintainers": [
+    {
+      "name": string,
+      "email": string (email)?,
+      "url": string (URL)?
+    }
+  ]?,
+  "homepage": string (URL)?,
+  "license": string,
+  "defaultBranch": string,
+  "lastUpdated": string (ISO date),
+  "trust": "official" | "verified" | "community",
+  "assets": {
+    "icon": string?,
+    "logo": string?,
+    "banner": string?
+  },
+  "compatibility": {
+    "hristudio": {
+      "min": string,
+      "recommended": string?
+    },
+    "ros2": {
+      "distributions": string[],
+      "recommended": string?
+    }?
+  },
+  "tags": string[],
+  "stats": {
+    "downloads": number,
+    "stars": number,
+    "plugins": number
+  }?
+}
+```
+
+## Plugin Schema
 
 Each plugin is defined in a JSON file with the following top-level structure:
 
@@ -40,7 +93,7 @@ Each plugin is defined in a JSON file with the following top-level structure:
 ```json
 "manufacturer": {
   "name": string,
-  "website": string (URL),
+  "website": string (URL)?,
   "support": string (URL)?
 }
 ```
@@ -61,14 +114,14 @@ Each plugin is defined in a JSON file with the following top-level structure:
 ```json
 "assets": {
   "thumbnailUrl": string,
+  "logo": string?,
   "images": {
     "main": string,
     "angles": {
       "front": string?,
       "side": string?,
       "top": string?
-    },
-    "dimensions": string?
+    }
   },
   "model": {
     "format": "URDF" | "glTF" | "other",
@@ -89,8 +142,7 @@ Each plugin is defined in a JSON file with the following top-level structure:
   },
   "capabilities": string[],
   "maxSpeed": number,
-  "batteryLife": number,
-  "payload": number?
+  "batteryLife": number
 }
 ```
 
diff --git a/plugins/turtlebot3-burger.json b/plugins/turtlebot3-burger.json
index f9e8723..e0d13b0 100644
--- a/plugins/turtlebot3-burger.json
+++ b/plugins/turtlebot3-burger.json
@@ -21,7 +21,7 @@
   "assets": {
     "thumbnailUrl": "assets/turtlebot3-burger/thumb.png",
     "images": {
-      "main": "assets/turtlebot3-burger/main.png",
+      "main": "assets/turtlebot3-burger/main.jpg",
       "angles": {
         "front": "assets/turtlebot3-burger/front.png",
         "side": "assets/turtlebot3-burger/side.png",
diff --git a/repository.json b/repository.json
index 60cda97..e3e0395 100644
--- a/repository.json
+++ b/repository.json
@@ -23,6 +23,7 @@
   "trust": "official",
   "assets": {
     "icon": "assets/repository-icon.png",
+    "logo": "assets/repository-logo.png",
     "banner": "assets/repository-banner.png"
   },
   "compatibility": {