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fear-and-greed

Access the Alternative.me Crypto Fear & Greed Index. Use this tool to anchor your baseline market sentiment analysis, determining whether the broader retail market is in a state of Extreme Fear (capitulation risk) or Extreme Greed (euphoria/correction risk).

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Installation

Follow the repository instructions for this skill and your agent. Review the files and dependencies before adding it to your workflow.

SkillHub CLI

skillhub install arielcaba-dev/fear-and-greed-index

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Skill instructions

Crypto Fear & Greed Index API

Access the global crypto market sentiment baseline using the free Alternative.me API.

API Endpoint

Base URL: https://api.alternative.me/fng/

The API requires no authentication or API keys.

Get Current Sentiment

Fetch the latest daily Fear & Greed metric (0-100 score + classification label):

curl -s "https://api.alternative.me/fng/?limit=1"

Returns a JSON structure containing:

  • value: The 0-100 numerical score.
  • value_classification: The textual label (e.g. "Extreme Fear", "Fear", "Greed", "Extreme Greed").
  • timestamp: Unix epoch of the data point.

Common Use Cases

Sentiment Baseline Anchoring

When conducting qualitative sentiment analysis on news headlines or on-chain flows, first fetch the Fear & Greed index to anchor your assumptions about retail psychology.

  1. If value < 25 (Extreme Fear): The market is highly sensitive to bearish catalysts. Price may be artificially depressed.
  2. If value > 75 (Extreme Greed): The market is euphoric and ignoring risk. High danger of sudden liquidations or corrections.

Source information

Source
github
Repository
openclaw/skills
Path
skills/arielcaba-dev/fear-and-greed-index
Version
—
Commit
4b3a6cbc6cc55b503b291394a4782e2896ea6b31
Classification source
rules
Status
active
Visibility
public

These signals come from indexed source analysis and may lag behind changes. Check the current source files.

Extracted content

SKILL.md
# Crypto Fear & Greed Index API

Access the global crypto market sentiment baseline using the free Alternative.me API.

## API Endpoint

Base URL: `https://api.alternative.me/fng/`

The API requires no authentication or API keys. 

### Get Current Sentiment

Fetch the latest daily Fear & Greed metric (0-100 score + classification label):

```bash
curl -s "https://api.alternative.me/fng/?limit=1"
```

Returns a JSON structure containing:
- `value`: The 0-100 numerical score.
- `value_classification`: The textual label (e.g. "Extreme Fear", "Fear", "Greed", "Extreme Greed").
- `timestamp`: Unix epoch of the data point.

## Common Use Cases

### Sentiment Baseline Anchoring
When conducting qualitative sentiment analysis on news headlines or on-chain flows, first fetch the Fear & Greed index to anchor your assumptions about retail psychology.

1. If `value` < 25 (Extreme Fear): The market is highly sensitive to bearish catalysts. Price may be artificially depressed.
2. If `value` > 75 (Extreme Greed): The market is euphoric and ignoring risk. High danger of sudden liquidations or corrections.

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