MCP Blockchain Query Server
About
🤖 MCP server for querying BTC data via Blockchain.com APIs
Details
- Author
- pavel-bc
- GitHub stars
- 1
- Downloads
- 155
- Categories
- Other
Jump to
- Supports both stdio and SSE transport modes
- 17 built-in MCP tools for BTC blockchain queries
- Get block, transaction, and address details by hash
- Retrieve blockchain statistics (difficulty, hash rate, average transaction size)
- Access market price and network metrics (block reward, interval, next retarget)
- Query unconfirmed transaction count and 24-hour transaction count
Setting up with Highlight
This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:
- Download and install Highlight from highlightai.com/download
- Navigate to the plugins tab and select "Add Custom Plugin"
-
Configure the plugin with the settings below
Plugin Name
MCP Blockchain Query ServerCommand (node, npx, python, etc.)Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
From the repository
Install dependencies with pip install -r requirements.txt inside a Python virtual environment, then run python main.py for stdio mode or python main.py --transport sse --port 8000 for SSE mode. Optional CLI arguments: --port (default 8000) and --transport (stdio or sse, default stdio).
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"mcp blockchain query server": {
"mcp-blockchain-query": {
"command": "python",
"args": [
"main.py"
]
}
}
}
}McpServers
{
"mcp-blockchain-query": {
"command": "python",
"args": [
"main.py"
]
}
}MCP Blockchain Query Server
> [!WARNING]
> Majority of the code in this repository was generated using Grok 3 Beta
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
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)
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