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Claude Praetorian MCP
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Claude Praetorian MCP

An MCP server for Claude Code that achieves over 90% context compression through structured incremental snapshots, significantly saving token usage.
Knowledge management and memoryDeveloper tools#Context Compression#Intelligent Snapshot#TOON Format#MCP Tools.TypeScript
2.5 points
6.2K
Open Site

Overview

Installation

Tools List

Content Details

Alternatives

What is Claude Praetorian MCP?

Claude Praetorian MCP is a Model Context Protocol server specifically designed for Claude Code to intelligently compress and manage context information. It automatically compresses lengthy web research, task outputs, and conversation content into concise structured snapshots, significantly reducing token consumption and enabling AI assistants to process large amounts of information more efficiently.

How to use Claude Praetorian MCP?

After installation, you can directly use two main commands in Claude Code: praetorian_compact for compressing context and praetorian_restore for restoring compressed content. The system will automatically store the compressed content in the .claude/praetorian folder of the project directory.

Applicable Scenarios

Suitable for users who need to process large amounts of research materials, engage in long - term project development, or conduct multi - round conversation analysis. Particularly useful for developers, researchers, content creators, etc., who need to frequently access and organize large amounts of information.

Main Features

Intelligent Context Compression
Compress lengthy content into structured snapshots using the TOON format, saving over 90% of token usage
Automatic Content Merging
Intelligently identify similar content (>70% similarity) and automatically merge to avoid duplicate storage
Fast Content Retrieval
Quickly find compressed content through keyword search, and support empty queries to view recent records
Zero - Configuration Operation
No complex configuration is required. It can be used after installation, and all data is stored in the local project directory
Support for Multiple Content Types
Support compression of multiple content types such as web research, task outputs, conversation records, and decision - making processes
Advantages
Significantly save token usage costs, usually saving over 90%
Improve the efficiency of AI assistants in processing long contexts
Structured storage facilitates subsequent retrieval and reuse
Local storage ensures data privacy and security
Intelligent merging avoids information duplication
Limitations
Requires Claude Code environment support
The compression process will lose some details of the original format
New users need to adapt to a new workflow
Only supports compression of text content

How to Use

Install the Server
Globally install the Claude Praetorian MCP server via npm
Configure Claude Code
Add MCP server configuration in Claude Code
Start Using the Compression Function
Use the praetorian_compact command to compress content in the Claude Code conversation
Retrieve Compressed Content
Use the praetorian_restore command to find and restore previously compressed content

Usage Examples

Web Research Organization
After researching multiple web materials, compress and save important findings to avoid occupying a large amount of context space
Project Decision - Making Records
Record important architectural decisions and discussion points during project development
Task Output Archiving
Compress and save complex task outputs (such as code analysis and test results)

Frequently Asked Questions

Will compression cause loss of important information?
Where is the data stored? Is it secure?
What content types are supported?
How to view compressed content?
What is the general compression ratio?

Related Resources

GitHub Repository
Project source code and latest updates
Model Context Protocol Official Website
Official documentation and specifications of the MCP protocol
Claude Code Documentation
Claude Code usage guide and API documentation
TOON Format Introduction
Detailed introduction and specifications of the TOON format
ACE Framework Introduction Video
Dexter Horthy's speech on advanced context engineering

Installation

Copy the following command to your Client for configuration
{
  "mcpServers": {
    "praetorian": {
      "command": "bunx",
      "args": ["claude-praetorian-mcp"],
      "env": {}
    }
  }
}
Note: Your key is sensitive information, do not share it with anyone.

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