Analyze sentiment in text using ML models. Use when: analyzing customer reviews; processing NPS feedback; monitoring brand mentions; evaluating campaign responses; categorizing support tickets
Scanned 9/22/2026
Install to Claude Code
npx -y skills add NVlabs/Skill2Env --skill sentiment-analyzer --agent claude-codeInstalls into .claude/skills of the current project.
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---
name: sentiment-analyzer
description: "Analyze sentiment in text using ML models. Use when: analyzing customer reviews; processing NPS feedback; monitoring brand mentions; evaluating campaign responses; categorizing support tickets"
license: MIT
metadata:
author: ClawFu
version: 1.0.0
mcp-server: "@clawfu/mcp-skills"
---
# Sentiment Analyzer
> Analyze sentiment in customer feedback using transformer models - understand what your customers really feel at scale.
## When to Use This Skill
- **Review analysis** - Process hundreds of product reviews
- **NPS feedback** - Categorize open-ended survey responses
- **Social listening** - Monitor brand sentiment on social media
- **Campaign feedback** - Evaluate response to marketing campaigns
- **Support insights** - Categorize support ticket sentiment
## What Claude Does vs What You Decide
| Claude Does | You Decide |
|-------------|------------|
| Structures analysis frameworks | Metric definitions |
| Identifies patterns in data | Business interpretation |
| Creates visualization templates | Dashboard design |
| Suggests optimization areas | Action priorities |
| Calculates statistical measures | Decision thresholds |
## Dependencies
```bash
pip install transformers torch pandas click
# Or for lighter CPU-only version:
pip install textblob vaderSentiment pandas click
```
## Commands
### Analyze Text
```bash
python scripts/main.py analyze "This product exceeded my expectations!"
python scripts/main.py analyze "The service was terrible and slow."
```
### Batch Analysis
```bash
python scripts/main.py batch reviews.csv --column text
python scripts/main.py batch feedback.csv --column comment --output results.csv
```
### Generate Report
```bash
python scripts/main.py report reviews.csv --column text --output sentiment-report.html
```
## Examples
### Example 1: Analyze Product Reviews
```bash
# Process CSV of reviews
python scripts/main.py batch amazon-reviews.csv --column review_text
# Output: amazon-reviews_sentiment.csv
# review_text | sentiment | score | label
# "Absolutely love this!" | positive | 0.95 | Very Positive
# "It's okay, nothing special" | neutral | 0.52 | Neutral
# "Worst purchase ever" | negative | 0.12 | Very Negative
```
### Example 2: NPS Feedback Categorization
```bash
# Analyze NPS survey responses
python scripts/main.py report nps-responses.csv --column feedback
# Output: sentiment-report.html
# Summary:
# - Positive: 62% (mainly: product quality, support)
# - Neutral: 23% (mainly: pricing concerns)
# - Negative: 15% (mainly: shipping delays)
```
## Sentiment Categories
| Score Range | Label | Interpretation |
|-------------|-------|----------------|
| 0.8 - 1.0 | Very Positive | Enthusiastic, recommend |
| 0.6 - 0.8 | Positive | Satisfied, happy |
| 0.4 - 0.6 | Neutral | Mixed or indifferent |
| 0.2 - 0.4 | Negative | Disappointed, frustrated |
| 0.0 - 0.2 | Very Negative | Angry, will churn |
## Skill Boundaries
### What This Skill Does Well
- Structuring data analysis
- Identifying patterns and trends
- Creating visualization frameworks
- Calculating statistical measures
### What This Skill Cannot Do
- Access your actual data
- Replace statistical expertise
- Make business decisions
- Guarantee prediction accuracy
## Related Skills
- [social-analytics](../../social/social-analytics/) - Get social data to analyze
- [content-repurposer](../../automation/content-repurposer/) - Use insights for content
## Skill Metadata
- **Mode**: centaur
```yaml
category: analytics
subcategory: nlp
dependencies: [transformers, torch, pandas]
difficulty: intermediate
time_saved: 6+ hours/week
```
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