Maestro MCP Server

What is Maestro MCP Server?

An MCP server for interacting with Bitcoin via the Maestro API platform. It provides tools for exploring blocks, transactions, addresses, and other aspects of the Bitcoin blockchain.

How to use Maestro MCP Server?

Install uv, create a virtual environment, install dependencies using uv pip install ., then configure Claude Desktop with a JSON config file that includes the absolute path to uv, the repo directory, and environment variables MAESTRO_BASE_URL and MAESTRO_API_KEY. Restart Claude and prompt it with queries like “Fetch the latest Bitcoin block” or “Get the blockchain info for Bitcoin.” Requests require manual approval within Claude.

Key features of Maestro MCP Server

• Tools for exploring blocks, transactions, and addresses
• Supports mempool UTXOs and address UTXOs
• Provides rune asset data and address rune balances
• Includes RPC endpoints for general info, latest block, transactions, and transaction submission
• Compatible with Claude Desktop and other MCP clients

Use cases of Maestro MCP Server

• Fetch the latest Bitcoin block details
• Retrieve blockchain information (e.g., height, difficulty)
• Check unspent transaction outputs (UTXOs) for a given address
• Submit a new transaction to the Bitcoin network
• Query rune assets and address-specific rune holdings

FAQ from Maestro MCP Server

What are the runtime requirements?

Python >=3.10, Python MCP SDK >=1.2.0, and uv.

How do I get a Maestro API key?

The README does not explain how to obtain an API key; it only states it is required in the configuration.

Do I need to approve each request in Claude?

Yes, you need to approve the request within Claude before the tool executes.

Where can I find the full Maestro API specification?

In the Maestro Postman workspace linked in the README.

How can I debug the MCP server?

Use the mcp-cli inspector tool or check the logs at ~/Library/Logs/Claude/mcp-server-maestro-mcp.log.