Install Onchain Data MCP for Claude Desktop
Claude Desktop reads mcpServers from claude_desktop_config.json. Restart the app after saving.
- Open ~/Library/Application Support/Claude/claude_desktop_config.json on macOS, %APPDATA%\Claude\claude_desktop_config.json on Windows, or ~/.config/Claude/claude_desktop_config.json on Linux.
- Paste the JSON config below.
- Replace placeholder secrets, then restart the client if it does not reload on its own.
~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"madlabs-tech-onchain-data-mcp": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/madlabs-tech/onchain-data-mcp:0.2.1"
],
"env": {
"ALCHEMY_API_KEY": "YOUR_ALCHEMY_API_KEY",
"HELIUS_API_KEY": "YOUR_HELIUS_API_KEY",
"COINGECKO_API_KEY": "YOUR_COINGECKO_API_KEY",
"MORALIS_API_KEY": "YOUR_MORALIS_API_KEY"
}
}
}
}