How do I set up a crypto MCP server with Claude Desktop?
Category:Blockchain & Web3
Quick Answer
Add server configuration to your Claude Desktop mcp_config.json file. For CoinGecko, a single JSON block with npx command suffices. For Solana with DeFi, add RPC URL and private key as environment variables. Restart Claude Desktop to auto-discover available tools.
Detailed Answer
Step-by-Step Setup
1. CoinGecko (Read-Only Market Data)
Add to your Claude Desktop mcp_config.json:
{ "mcpServers": { "coingecko_mcp": { "command": "npx", "args": ["mcp-remote", "https://mcp.api.coingecko.com/mcp"] } } }
2. Solana MCP (Full DeFi)
{ "mcpServers": { "solana": { "command": "npx", "args": ["solana-mcp"], "env": { "RPC_URL": "your_solana_rpc_url", "SOLANA_PRIVATE_KEY": "your_key" } } } }
3. After Configuration
- Save the config file
- Restart Claude Desktop
- AI automatically discovers available tools from the server
- Start asking blockchain-related questions
Important Notes
- Never commit config files with private keys to version control
- Use dedicated wallets with limited funds for testing
- CoinGecko requires no authentication — safest starting point
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