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Crystal

MCP Servers

Crystal is an MCP server that provides AI assistants with access to macOS system information and controls.

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At a Glance

Pricing

Open Source

Free and open source

Engagement

Available On

macOS
Web
API

Resources

WebsiteDocsGitHubllms.txt

Topics

MCP ServersAI InfrastructureMCP Tools

About Crystal

Crystal is an open-source MCP (Model Context Protocol) server designed to give AI assistants access to macOS system information and controls. It enables AI models to interact with your Mac's native features, providing a bridge between AI assistants and system-level functionality on macOS.

The tool allows AI assistants to query and interact with various macOS system components, making it easier to build AI-powered workflows that can access local system data and perform actions on your behalf.

  • MCP Server Implementation - Crystal implements the Model Context Protocol, allowing compatible AI assistants to communicate with macOS system features through a standardized interface.

  • macOS System Access - Provides AI assistants with the ability to query system information and interact with macOS-specific features and controls.

  • Open Source - Fully open-source project hosted on GitHub under the stravu organization, allowing developers to inspect, modify, and contribute to the codebase.

  • Local Integration - Runs locally on your Mac, enabling AI assistants to access system information without sending data to external servers.

To get started with Crystal, clone the repository from GitHub and follow the installation instructions in the README. The project is designed for developers who want to extend their AI assistants' capabilities to interact with macOS system features. Crystal requires macOS to run and integrates with MCP-compatible AI clients.

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Pricing

OPEN SOURCE

Open Source

Free and open source

  • Full source code access
  • MCP server implementation
  • macOS system integration
  • Community support
View official pricing

Capabilities

Key Features

  • MCP server implementation
  • macOS system information access
  • AI assistant integration
  • Local system controls
  • Open source

Integrations

Model Context Protocol (MCP)
macOS
API Available
View Docs

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Developer

Stravu

Stravu develops open-source tools for AI integration with desktop systems. The team builds MCP servers that enable AI assistants to interact with native operating system features.

Read more about Stravu
GitHub
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