Pblittle Lightning MCP Server

The Lightning Network MCP Server is a service that allows LLM agents to query Lightning node data through natural language, supports gRPC and LNC connections, and provides responses in both natural language and JSON formats.

Finance Developer tools #Lightning Network #Natural language query #Node data #MCP protocol .TypeScript

rating : 2 points

downloads : 24

update time : 2025-04-29

What is the Lightning Network MCP Server?

This server allows users to interact with their Lightning Network nodes using everyday language. It translates natural language queries into node operations and returns both human-readable summaries and structured JSON data for applications.

How to use the MCP Server?

Connect to your Lightning node (LND, Core Lightning or Eclair) via gRPC or Lightning Node Connect (LNC), then ask questions about your node's status, channels, invoices or routing in plain English.

Use Cases

Ideal for node operators who want simplified node monitoring, developers building Lightning applications, and researchers analyzing network data without deep technical knowledge of node APIs.

Key Features

Natural Language InterfaceQuery node data using conversational English instead of complex API commands

Dual Output FormatGet both human-readable summaries and machine-friendly JSON responses

Multi-Node SupportWorks with LND, Core Lightning and Eclair nodes (some implementations in progress)

Tor Hidden Service SupportSecure connections to nodes running as Tor hidden services

Pros and Cons

Advantages

No need to learn complex Lightning node APIs

Simplified node monitoring for non-technical users

Structured output integrates easily with other applications

Secure remote access via Lightning Node Connect

Limitations

Currently supports limited query types (expanding regularly)

Requires initial technical setup for node connection

Natural language processing may occasionally misinterpret complex queries

Getting Started

Install dependencies

Ensure Node.js and npm are installed on your system

Configure connection

Set up your node connection details in the .env file

Start the server

Launch the MCP server in production mode

Connect via MCP Inspector

Test your setup using the official inspector tool

Example Queries

Channel Status CheckQuickly view all channels and their operational status

Node ConnectivityIdentify your most connected peers

Routing AnalysisUnderstand your node's routing activity

Frequently Asked Questions

What Lightning node implementations are supported?

Is this safe to use with my mainnet node?

How do I connect to a node over Tor?

Can I use this without technical knowledge?

Additional Resources

Model Context Protocol Specification

Official MCP specification documentation

Goose Framework

LLM agent framework compatible with MCP

MCP Inspector GitHub

Tool for testing MCP server implementations

Lightning Node Connect Guide

Documentation for secure remote node connections

🚀 Lightning Network MCP Server

The Lightning Network MCP Server enables Large Language Model (LLM) agents (such as those running in Goose) to query Lightning node data using natural language. It implements the Model Context Protocol (MCP) specification version 2025-03-26 and is fully compatible with MCP Inspector 1.7.0.

This server connects to your node via gRPC or Lightning Node Connect (LNC) and returns both human-readable summaries and machine-readable JSON outputs. It is designed to be modular, testable, and extensible to support more types of nodes, such as Core Lightning and Eclair.

For architectural details, please refer to ARCHITECTURE.md.

✨ Features

This system interprets natural language prompts, determines user intent, evaluates domain logic, and queries your Lightning node. Responses are returned in both plain text and structured JSON. Currently, basic channel queries are supported, and more features are under development.

🚀 Quick Start

Copy and configure the .env.example file.
Run npm run build to build the project.
Test the server compatibility using the MCP Inspector.

Connecting to an LND Node via Tor

To connect to a remote LND node via Tor, follow these steps:

Install and start the Tor service.
Configure the socks-proxy and http-proxy environment variables.
Set the proxy parameters in the .env file.

Using the Credential Extraction Tool

If you are using an lndconnect URL, you can run the script to extract the certificate and key:

node scripts/extract-credentials.js "lndconnect://your-node.onion:10009?cert=BASE64CERT&macaroon=BASE64MACAROON"

This script converts the certificate to PEM format and saves it in the test/fixtures directory.

💻 Usage Examples

Testing and Verification

Use the MCP Inspector to verify the server:

npm install -g @modelcontextprotocol/inspector
npm run build
LOG_LEVEL=warn npx @modelcontextprotocol/inspector node scripts/inspect.js

📚 Documentation

Compatibility

Property	Details
MCP Specification Version	`2025-03-26`
MCP Inspector Version	`1.7.0`
Supported Output Formats	JSON and natural language

Contribution Guidelines

Please refer to CONTRIBUTING.md for contribution guidelines.

📄 License

This project is licensed under the Apache License 2.0. See LICENSE for more details.

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