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Frequently Asked Questions

General Questions about MCP​

What is the Model Context Protocol (MCP)?​

The Model Context Protocol (MCP) is an open protocol that enables AI models to securely interact with external tools and resources. It provides a standardized way for AI systems to access file systems, databases, APIs, and other services, enhancing their capabilities beyond what's possible with pure language processing.

How does MCP differ from other AI extension mechanisms?​

MCP differs from other mechanisms in several key ways:

  • Open Standard: MCP is an open protocol with published specifications
  • Security-Focused: Built with strong security considerations from the ground up
  • Transport Flexibility: Supports multiple transport mechanisms (stdio, SSE, etc.)
  • Language Agnostic: Can be implemented in any programming language
  • Standardized Interface: Consistent tool definition format across implementations

Who created MCP?​

The Model Context Protocol was initially developed by Anthropic, the creators of Claude AI assistant, and released as an open protocol. It has since gained adoption from various companies and open-source developers.

Using MCP​

Do I need to be a developer to use MCP?​

No! While developers can build MCP servers and integrate them into applications, end users can simply:

  1. Install an MCP client application (like Claude Desktop)
  2. Add available MCP servers to extend functionality
  3. Begin using the enhanced capabilities in their AI interactions

What kind of tools can MCP provide?​

MCP can enable AI assistants to:

  • Access and manipulate files on your device
  • Query databases and data sources
  • Search the web and retrieve information
  • Interact with APIs and online services
  • Execute code in controlled environments
  • Manage system resources and applications
  • Visualize data and generate reports
  • And much more - the possibilities are extensive!

Are MCP connections secure?​

MCP is designed with security as a primary concern:

  • Connections between clients and servers can be encrypted
  • Servers can implement authentication mechanisms
  • Permission models restrict what actions tools can perform
  • User consent is typically required before executing sensitive operations

However, security depends on the implementation of each specific MCP server and client. Always use servers from trusted sources.

MCPSERVER.WORK Directory​

What is MCPSERVER.WORK?​

MCPSERVER.WORK is a comprehensive directory of MCP servers and clients, designed to help both AI assistants and humans discover and navigate the MCP ecosystem.

How can I add my MCP server or client to the directory?​

You can add your MCP implementation by following the steps in our Contributing Guide. Generally, this involves:

  1. Forking our GitHub repository
  2. Adding your entry following our formatting guidelines
  3. Submitting a pull request for review

How often is the directory updated?​

The MCPSERVER.WORK directory is updated regularly as new contributions are received and approved. Major updates are typically processed within 1-2 weeks of submission.

Does listing on MCPSERVER.WORK imply endorsement?​

No. Listing in our directory does not constitute an endorsement or guarantee of functionality, security, or quality. We aim to provide a comprehensive resource while maintaining basic quality standards, but users should always exercise appropriate caution when installing third-party software.

Technical Questions​

What programming languages can I use to create MCP servers?​

MCP servers can be developed in virtually any programming language. Popular choices include:

  • Python with frameworks like FastMCP
  • TypeScript/JavaScript with frameworks like LiteMCP
  • Go with frameworks like mcp-go
  • Rust with various implementations
  • Java/Kotlin with JVM-based implementations
  • C#/.NET with .NET-based implementations

What transport mechanisms does MCP support?​

MCP supports several transport mechanisms:

  • stdio: Simple standard input/output for local processes
  • SSE (Server-Sent Events): For web-based communication
  • WebSocket: For bidirectional communication
  • HTTP(S): For stateless request/response patterns

Different clients may support different transport mechanisms.

How do I debug MCP server issues?​

Common debugging approaches include:

  1. Using the mcp-cli tool to test server functionality directly
  2. Checking server logs for error messages
  3. Verifying that your server implements the MCP specification correctly
  4. Testing with multiple clients to isolate client-specific issues

Getting Help​

Where can I learn more about implementing MCP?​

To learn more about implementing MCP:

Where can I ask questions about MCP?​

You can ask questions about MCP in several places:

  • The official MCP Discord server
  • GitHub discussions on MCP repositories
  • Stack Overflow with the 'model-context-protocol' tag
  • AI development forums and communities

How can I report issues with MCPSERVER.WORK?​

To report issues with the MCPSERVER.WORK directory:

  1. Open an issue on our GitHub repository
  2. Include detailed information about the problem
  3. Provide suggestions for resolution if possible

We appreciate your feedback and contributions to improving the directory!