Crypto Fear & Greed Index MCP Server: Real-Time Sentiment, Actionable Metrics

What is Crypto Fear & Greed Index MCP Server: Real-Time Sentiment, Actionable Metrics?

This server provides real-time and historical data for the Crypto Fear & Greed Index (FNG), sourced from Alternative.me. Designed for MCP-compatible platforms like Claude Desktop, it enables users to access sentiment analytics directly within their workflows. The tool empowers traders, analysts, and investors with actionable insights into market psychology, combining fear and greed metrics to inform decision-making.

How to Use Crypto Fear & Greed Index MCP Server: Real-Time Sentiment, Actionable Metrics?

1. Install the server via provided instructions to integrate with your MCP environment.
2. Configure API access to ensure seamless data retrieval.
3. Execute queries to fetch real-time FNG scores or historical trends.
4. Leverage pre-built tools or custom scripts to automate analysis and alerts.

Example: Use the /fng-realtime endpoint to retrieve current sentiment metrics formatted for dashboard integration.

Key Features of Crypto Fear & Greed Index MCP Server: Real-Time Sentiment, Actionable Metrics?

• Live Sentiment Tracking: Instant access to updated FNG scores with context on market mood shifts.
• Historical Analysis: Query past data to identify patterns and correlations with price movements.
• Trend Visualization Tools: Built-in analytics for detecting overbought/oversold conditions based on historical peaks/troughs.
• Platform Agnosticism: Works with any MCP-compliant application, including trading bots and research platforms.
• Actionable Templates: Pre-defined response formats for quick implementation in automated strategies.

Use Cases of Crypto Fear & Greed Index MCP Server: Real-Time Sentiment, Actionable Metrics?

Market Timing: Cross-reference FNG extremes with price action to spot reversal opportunities.
Risk Management: Use greed spikes to set protective sell orders or fear-driven buy triggers.
Portfolio Optimization: Adjust allocations based on sentiment-driven momentum indicators.
Education:

FAQ from Crypto Fear & Greed Index MCP Server: Real-Time Sentiment, Actionable Metrics?

• Q: What platforms are supported?
  A: Any environment adhering to MCP (Market Connectivity Protocol) standards, including major trading platforms and custom applications.
• Q: How often is data updated?
  A: Real-time data is refreshed every 5 minutes, with historical records spanning back to 2017.
• Q: Can I customize the analysis parameters?
  A: Yes—modify sensitivity thresholds and timeframes via API parameters to align with your strategy.
• Q: Is backtesting supported?
  A: Historical data access allows integration with backtesting frameworks for strategy validation.
• Q: What guarantees data accuracy?
  A: Data is sourced directly from Alternative.me’s verified index, with versioned API endpoints for consistency.

Crypto Fear & Greed Index MCP Server

A mcp server that provides real-time and historical Crypto Fear & Greed Index data, powered by the Alternative.me.

This server exposes resources and tools for fetching and analyzing the Fear & Greed Index, making it easy to integrate into MCP-compatible clients, including Claude Desktop.

Features

• Current Index : Retrieve the latest Fear & Greed Index value and classification.
• Historical Data : Fetch historical index values for a specified number of days.
• Trend Analysis : Analyze trends over time with statistics like average value and trend direction.
• Tool-Only Support : Includes tool versions of all resources for compatibility with tool-only MCP clients.
• Prompt Generation : Provides a prompt template for interpreting index values.

Resources

• fng://current. Current crypto Fear & Greed Index. Output:

  Crypto Fear & Greed Index (as of 2025-03-15 00:00:00 UTC):
  Value: 45
  Classification: Fear

• fng://history/{days}. Historical Data of Crypto Fear & Greed Index.Output:

  Historical Crypto Fear & Greed Index:
  2025-03-15 00:00:00 UTC: 45 (Fear)
  2025-03-14 00:00:00 UTC: 48 (Fear)
  ...

Tools

• get_current_fng_tool() -> str.

Current Index. Same as fng://current

• get_historical_fng_tool(days: int) -> str.

Historical Index Data. Same as fng://history/{days}

• analyze_fng_trend(days: int) -> str.

Index trend Analysis. Output:

Fear & Greed Index Analysis (30 days):
Latest Value: 45 (Fear) at 2025-03-15 00:00:00 UTC
Average Value: 47.3
Trend: falling
Data points analyzed: 30

Prompts

• interpret_fng

Index Data Interpretation.

Output:

Please interpret this Crypto Fear & Greed Index value and explain what it means for cryptocurrency markets (specifically Bitcoin): 45

Installation

Clone the repository:

git clone https://github.com/kukapay/crypto-feargreed-mcp.git
cd crypto-feargreed-mcp

Install for Claude Desktop

mcp install main.py --name "CryptoFearGreed"

Then enable it in your Claude Desktop configuration.

For other clients, add a server entry to your configuration file:

"mcpServers": { 
  "crypto-feargreed-mcp": { 
    "command": "uv", 
    "args": [ 
      "--directory", "/your/path/to/crypto-feargreed-mcp", 
      "run", 
      "main.py" 
    ]
  } 
}

Examples

After installation, ask:

• "What's the current Crypto Fear & Greed Index?"
• "Show me the Crypto Fear & Greed Index trend for the last 30 days."

Claude will automatically call the appropriate tools and provide responses.

License

This project is licensed under the MIT License. See the LICENSE file for details.

Acknowledgments

• Built with MCP Python SDK.
• Data provided by Alternative.me Fear & Greed Index API.