A comprehensive interface for accessing CoinMarketCap market-wide data, including sentiment indicators, global metrics, and historical performance indices.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install cmc-api-market
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install cmc-api-market using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is CoinMarketCap Market Data?
The CoinMarketCap Market API skill provides AI agents with deep access to aggregated cryptocurrency market data. It enables developers to integrate global metrics, such as total market capitalization and BTC dominance, directly into their workflows. By leveraging Openclaw Skills, users can programmatically query market-wide sentiment indicators like the Fear and Greed Index and performance benchmarks like the CMC100 index.
This skill is essential for any application requiring high-level market context rather than just individual asset pricing. It serves as a centralized reference for news, community trends, and technical charting data, making it a cornerstone for financial analysis and automated reporting within the Openclaw Skills ecosystem.
CoinMarketCap Market Data Use Cases
- Monitoring global cryptocurrency market capitalization and BTC dominance shifts.
- Gauging investor sentiment through the Fear and Greed Index history.
- Benchmarking portfolio performance against the CMC100 and CMC20 market indices.
- Generating OHLCV candlestick data for technical analysis and charting components.
- Identifying trending tokens and discussion topics within the crypto community.
- Automating currency conversions and monitoring API credit usage via Openclaw Skills.
How CoinMarketCap Market Data Works
- Authenticate the request by providing a valid X-CMC_PRO_API_KEY in the request header.
- Select the appropriate endpoint based on the data requirement, such as global metrics, sentiment indices, or community content.
- Execute GET requests to the CoinMarketCap production API base URL through the Openclaw Skills interface.
- Parse the structured JSON response, which includes both the requested market data and credit usage metadata.
- Integrate the retrieved market context into AI agent decision-making or data visualization pipelines.
CoinMarketCap Market Data Setup
To get started with this skill within Openclaw Skills, obtain an API key from the CoinMarketCap Developer Portal at https://pro.coinmarketcap.com/.
# Example request to verify setup and fetch global metrics
curl -X GET "https://pro-api.coinmarketcap.com/v1/global-metrics/quotes/latest" \
-H "X-CMC_PRO_API_KEY: your-api-key"
Ensure the environment variable for your API key is correctly configured in your agent's runtime settings to allow seamless authentication.
CoinMarketCap Market Data Data Schema & Taxonomy
The skill returns data in a standardized JSON envelope including a status object and a data payload. This ensures consistency across all Openclaw Skills integrations.
| Field | Type | Description |
|---|---|---|
| status.timestamp | String | ISO 8601 timestamp of the request |
| status.error_code | Integer | 0 for success, non-zero for errors |
| status.credit_count | Integer | Number of API credits consumed by the call |
| data | Object | The primary payload containing market metrics or index results |
CoinMarketCap Market Data Advanced Features
- Multi-interval K-line support for granular charting with 1h, 4h, and 1d timeframes.
- Historical data retrieval for long-term sentiment and index trend analysis over custom periods.
- Automated monitoring of API credit consumption and rate limit headers to prevent service interruption.
- Deep integration with community trending topics and latest news content through Openclaw Skills.
- Support for mapping fiat currencies to unique CoinMarketCap IDs for precise cross-border conversions.
SKILL.md
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