MCP Blockchain Query Server

Model Context Protocol server providing tools for querying BTC data via Blockchain Data and Query APIs.

Demo

https://github.com/user-attachments/assets/b270979b-b22f-467c-bcb4-54bd48504073

Related MCP server: Satstream MCP Server

Features

• Supports both stdio and SSE transports

• Available tools:

  • Get block by hash

  • Get transaction by hash

  • Get address by hash

  • Get block count

  • Get difficulty

  • Get address balance

  • Get hash rate

  • Get average transaction size

  • Get total bitcoins

  • Get probability of finding a block

  • Get 24-hour market price

  • Get block interval

  • Get block reward

  • Get next retarget

  • Get latest hash

  • Get unconfirmed count

  • Get 24-hour transaction count

Installation

python -m venv venv
source venv/bin/activate
pip install -r requirements.txt

Running

Run in stdio mode (default):

$ python main.py

Run in SSE mode:

$ python main.py --transport sse --port 8000

CLI Arguments:

• --port: Port number for SSE transport (default: 8000)

• --transport: Transport type (stdio or sse, default: stdio)