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+# Feishu Emoji Reference
+
+Complete reference for Feishu/Lark emoji types supported by the reaction API.
+
+## Common Emoji Types
+
+### Positive Reactions
+
+| Emoji Type | Display | Description |
+|------------|---------|-------------|
+| `THUMBSUP` | 👍 | Thumbs up / Like |
+| `HEART` | ❤️ | Heart / Love |
+| `SMILE` | 😊 | Smile |
+| `GRINNING` | 😀 | Grinning face |
+| `LAUGHING` | 😂 | Laughing with tears |
+| `CLAP` | 👏 | Clapping hands |
+| `OK` | 👌 | OK hand sign |
+| `PRAY` | 🙏 | Praying hands |
+| `FIRE` | 🔥 | Fire |
+| `PARTY` | 🎉 | Party popper |
+| `CHECK` | ✅ | Check mark |
+
+### Negative Reactions
+
+| Emoji Type | Display | Description |
+|------------|---------|-------------|
+| `THUMBSDOWN` | 👎 | Thumbs down |
+| `CRY` | 😢 | Crying face |
+| `ANGRY` | 😠 | Angry face |
+| `CROSS` | ❌ | Cross mark |
+
+### Neutral Reactions
+
+| Emoji Type | Display | Description |
+|------------|---------|-------------|
+| `SURPRISED` | 😲 | Surprised face |
+| `THINKING` | 🤔 | Thinking face |
+| `FIST` | ✊ | Raised fist |
+| `QUESTION` | ❓ | Question mark |
+| `EXCLAMATION` | ❗ | Exclamation mark |
+
+## Usage Examples
+
+### Add Multiple Reactions
+
+```typescript
+// Add thumbs up
+await feishu_reaction({
+  action: "add",
+  message_id: "msg_123",
+  emoji_type: "THUMBSUP"
+});
+
+// Add heart
+await feishu_reaction({
+  action: "add",
+  message_id: "msg_123",
+  emoji_type: "HEART"
+});
+
+// Add fire
+await feishu_reaction({
+  action: "add",
+  message_id: "msg_123",
+  emoji_type: "FIRE"
+});
+```
+
+### List All Reactions
+
+```typescript
+const result = await feishu_reaction({
+  action: "list",
+  message_id: "msg_123"
+});
+
+// Returns:
+// {
+//   reactions: [
+//     { reactionId: "r1", emojiType: "THUMBSUP", operatorType: "user", operatorId: "u1" },
+//     { reactionId: "r2", emojiType: "HEART", operatorType: "app", operatorId: "bot_id" }
+//   ]
+// }
+```
+
+### Remove a Reaction
+
+```typescript
+// First list to get reaction_id
+const reactions = await feishu_reaction({
+  action: "list",
+  message_id: "msg_123"
+});
+
+// Remove specific reaction
+await feishu_reaction({
+  action: "remove",
+  message_id: "msg_123",
+  reaction_id: reactions.reactions[0].reactionId
+});
+```
+
+## Complete Emoji List
+
+Feishu supports 50+ emoji types. Here's the complete list:
+
+### Faces & Emotions
+
+```
+SMILE, GRINNING, LAUGHING, JOY, SURPRISED, THINKING, CRY, ANGRY, 
+SAD, WORRIED, EMBARRASSED, COOL, SLEEPY, DIZZY, YUMMY, KISSY, 
+CONFIDENT, RELAXED, STAR_STRUCK, PARTY
+```
+
+### Gestures
+
+```
+THUMBSUP, THUMBSDOWN, CLAP, OK, FIST, PRAY, WAVE, YES, NO,
+HEART, BROKEN_HEART, VICTORY, ROSE, WILTED_FLOWER
+```
+
+### Symbols
+
+```
+CHECK, CROSS, QUESTION, EXCLAMATION, DOUBLE_EXCLAMATION, 
+100, FIRE, SPARKLES, STAR, MOON, SUN, ZAP, CHRISTMAS_TREE, 
+GIFT, TADA, MEDAL, TROPHY
+```
+
+## API Reference
+
+For the complete official emoji list, see:
+- [Feishu Emoji Types Documentation](https://open.feishu.cn/document/server-docs/im-v1/message-reaction/emojis-introduce)
+
+## Notes
+
+- Emoji types are case-sensitive (use uppercase)
+- Some emoji may display differently depending on the user's platform
+- The bot can only add reactions that are enabled for the Feishu app