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Libragen

Libragen is a local RAG library construction tool used to connect AI assistants (such as Claude) with your actual documents and code libraries. It reduces AI hallucinations by creating a searchable knowledge base, supports building from local files or Git repositories, and is directly integrated into the AI workflow through the MCP protocol.
Developer toolsKnowledge management and memory#Local RAG#Document retrieval#AI assistant#Code library.TypeScript
2.5 points
6.1K
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Overview

Installation

Content Details

Alternatives

What is the Libragen MCP Server?

The Libragen MCP Server is a Model Context Protocol server that allows AI assistants (such as Claude Desktop, AI plugins in VS Code, etc.) to directly access your local Libragen document library. Through this server, your AI assistant can search for and reference the documents you actually own, rather than relying on potentially outdated training data.

How to use the Libragen MCP Server?

After installing the MCP server, you need to configure it in your AI assistant client (such as Claude Desktop). Then, you can directly search the installed document library through the AI assistant to obtain accurate information based on your real documents.

Use cases

The Libragen MCP Server is particularly useful when you need an AI assistant to help write code, debug problems, or understand APIs. It ensures that the AI provides suggestions based on your team's actual documents (rather than general knowledge), which is especially important for internal APIs, private frameworks, or specific project documents.

Main features

Seamless integration with AI assistants
Directly integrate with AI assistants that support the MCP protocol, such as Claude Desktop and VS Code, without the need for an additional interface.
Intelligent document search
Use hybrid search technology (vector + keyword) to find the most relevant content in your document library.
Library management tool
Directly install, uninstall, update, and list available document libraries through the AI assistant.
Collection support
Support the installation and management of document library collections to obtain all documents of the relevant technology stack at once.
Fully local operation
All processing is done locally, and your document data will not leave your computer.
Advantages
Reduce AI hallucinations: Provide answers based on real documents, significantly reducing misinformation.
Keep documents up - to - date: Reconstruct the library at any time to reflect document updates, and the AI always gets the latest information.
Protect privacy: All processing is done locally, and sensitive documents will not be uploaded to the cloud.
Easy to share: A single.libragen file can be easily shared among teams.
Seamless workflow: Use directly in your commonly used AI assistant interface without switching tools.
Limitations
Requires initial setup: The MCP server needs to be installed and configured.
Depends on document quality: The output quality depends on the quality and integrity of the input documents.
Local resource usage: The embedding and search process will use local CPU and memory resources.
Requires manual update: After document updates, the library needs to be manually reconstructed.

How to use

Install the MCP server
Install the Libragen MCP server globally via npm.
Configure the AI assistant
Add the MCP server to your AI assistant configuration. For Claude Desktop, edit the configuration file and add the libragen server.
Install the document library
Use the libragen CLI or the AI assistant to install the document library you need.
Start searching
In your AI assistant interface, directly ask questions about the installed document library.

Usage examples

Code development assistance
When writing code using an internal framework, the AI assistant can provide accurate examples based on the actual framework documents.
Troubleshooting
When encountering a system error, the AI assistant can search relevant error - handling documents.
New member training
New team members can quickly understand the project architecture and APIs through the AI assistant.

Frequently Asked Questions

Which AI assistants does the Libragen MCP Server support?
Do I need an Internet connection to use the MCP server?
Can I use multiple document libraries simultaneously?
What should I do after document updates?
Will the MCP server affect the performance of the AI assistant?

Related resources

Official documentation
Complete documentation for Libragen, including installation guides, API references, and tutorials.
GitHub repository
Source code, issue tracking, and contribution guidelines.
Model Context Protocol
Official specification of the MCP protocol.
Claude Desktop configuration guide
How to configure the MCP server in Claude Desktop.

Installation

Copy the following command to your Client for configuration
{
   "mcpServers": {
      "libragen": {
         "command": "npx",
         "args": ["-y", "@libragen/mcp"]
      }
   }
}
Note: Your key is sensitive information, do not share it with anyone.

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