UMUnix Manual
Community
Provides Unix command documentation directly within LLM conversations.
Directory
MCP Server Directory
Browse 6,627+ Model Context Protocol servers for Claude, Cursor, and VS Code. Find the perfect tools for your AI workflow.
MCP Servers listings
UM
Unofficial Mapy.com
CommunityProvides an unofficial MCP server for the mapy.cz API.
UN
Unpaywall
CommunityEnables AI clients to interact with the Unpaywall API for searching articles, retrieving metadata, finding open-access links, and extracting text from OA PDFs.
UM
Unreal Motion Graphics
CommunityEnables version control and programmatic management of Unreal Engine's UMG UI assets by converting them to and from human-readable JSON files.
UR
Unreal Remote Execution
CommunityEnables interaction with Unreal Engine instances through remote Python code execution.
UN
Unsloth
CommunityProvides an MCP server for Unsloth, enabling faster LLM fine-tuning with reduced memory usage.
UB
Up Bank
CommunityEnables interaction with the Up Bank API through MCP-enabled clients.
UP
Upbank
CommunityRetrieves account balances and transactions from your Up Bank account via an MCP server.
UP
Upbit
CommunityProvides a fast Model Context Protocol (MCP) server for interacting with the Upbit cryptocurrency exchange platform.
UF
Upload File
CommunityProvides a file upload service leveraging the Model Context Protocol (MCP).
UP
Upsun
CommunityExposes Upsun cloud platform APIs as Model Context Protocol (MCP) tools for AI assistants.
UA
Uptime Agent
CommunityConnects Uptime Agent monitoring systems to AI assistants like Claude using the Model Context Protocol (MCP).
UT
URL Text Fetcher
CommunityEnables LM Studio to fetch web page text and links directly from URLs.
UR
URL2SNAP
CommunityCaptures screenshots of specified URLs and returns the access URL for the captured image.
UR
urlDNA
CommunityEnables security-focused large language model agents to natively access and utilize the urlDNA threat intelligence platform for threat detection and URL analysis.
US
USAspending
CommunityStreamlines access to and analysis of U.S. government spending data from the USAspending.gov API for AI agents.
Provides AWS CLI functionality through a standardized Model Context Protocol (MCP) server.
UT
Useful Tools
CommunityProvides weather and stock information via Model Context Protocol (MCP).
US
UseGrant
CommunityFacilitates interaction with the UseGrant API through the Model Context Protocol.
UC
Usensedata China Company Query
CommunityProvides an MCP-compatible server with tools to query comprehensive Chinese company data, enabling seamless integration with large language models.
UI
User Info
CommunityManages user information via a Model Context Protocol (MCP) server, built using Context7 Best Practices and a clean layered architecture.
UT
User Timezone
CommunityReturns the user's timezone based on their IP address when called from a remote Model Context Protocol (MCP) client.
UM
Userful MCPS
CommunityProvides a collection of standalone Python scripts implementing Model Context Protocol (MCP) servers for various utility functions.
UQ
Usgs Quakes
CommunityQueries the USGS Earthquake API using natural language through a Model Context Protocol (MCP) server.
What Are MCP Servers?
MCP (Model Context Protocol) servers are tools that connect AI assistants like Claude, Cursor, and other AI coding tools to external data sources, APIs, and services. They enable AI models to access real-time information, execute code, interact with databases, and perform actions beyond their base capabilities. Check out our curated collection of the best MCP servers for Cursor →
How MCP Servers Work
MCP servers act as intermediaries between AI assistants and external systems. When you ask Claude or Cursor to perform a task requiring external data, the MCP server handles the request, fetches the data, and returns it in a format the AI can understand and use.
Types of MCP Servers
- Code Completion Servers: Enhance AI coding assistants with context from your codebase, documentation, and project structure.
- API Integration Servers: Connect AI to REST APIs, GraphQL endpoints, and web services for real-time data access.
- File Management Servers: Enable AI to read, write, and organize files in your development environment.
- Data Analysis Servers: Connect AI to databases, data warehouses, and analytics tools.
Choosing the Right MCP Server
When selecting an MCP server, consider:
- IDE Compatibility: Ensure it works with Cursor, VS Code, or your preferred editor
- Use Case Match: Choose servers designed for your specific needs
- Maintenance Status: Prefer actively maintained servers with recent updates
- GitHub Activity: Higher stars and recent commits indicate quality
Popular Use Cases
- AI-Powered Code Completion Enhance Cursor and Claude with project-specific context.
- Automated API Testing Connect AI to your APIs for intelligent testing and debugging.
- Database Querying Let AI write and execute SQL queries against your databases.
For detailed setup guides, see our Complete MCP Server Setup Guide →
Frequently Asked Questions About MCP Servers
Everything you need to know about installing, using, and troubleshooting Model Context Protocol.
How do I install MCP servers in Cursor?
To install MCP servers in Cursor: 1) Open Cursor settings (Cmd+,), 2) Navigate to MCP Servers section, 3) Click 'Add Server', 4) Enter server configuration (name and command), 5) Restart Cursor. Check out our curated collection of the best MCP servers for Cursor with detailed setup guides.
What's the difference between MCP servers and VS Code extensions?
MCP servers are protocol-level integrations that work across multiple AI assistants (Claude, Cursor, etc.), while VS Code extensions are editor-specific. MCP servers provide context to AI models, whereas extensions add IDE functionality. MCP is more portable and AI-focused.
Are these MCP servers free to use?
Most MCP servers listed are open-source and free. Some enterprise connectors (like Salesforce or Jira) may require paid API access to the underlying service, but the MCP server code itself is usually free.
Can I build my own MCP server?
Yes! The Model Context Protocol is open standard. You can build servers in Python or TypeScript/Node.js to expose your own internal APIs or databases to Claude and Cursor.
What is a Model Context Protocol (MCP) server?
An MCP server is a lightweight program that exposes specific capabilities (data access, tool execution, prompts) to AI assistants through a standardized protocol. MCP servers allow Claude and other AI models to securely interact with external systems like databases, APIs, file systems, and web services while maintaining security boundaries.
How do MCP servers work with Claude?
MCP servers connect to Claude Desktop or other MCP-compatible clients through a standardized JSON-RPC protocol. When you configure an MCP server in Claude Desktop, Claude can access its resources (data/content), use its tools (functions to execute), and leverage its prompts (templated interactions). The protocol ensures secure, controlled access to external capabilities.
What are the best MCP servers to start with?
Essential MCP servers for beginners include: Filesystem (local file access), SQLite/PostgreSQL (database queries), GitHub (repository access), Brave Search (web search), and Memory (persistent context). These cover common use cases and have excellent documentation. Start with 2-3 servers and expand based on your needs.
How do I install and configure MCP servers?
Most MCP servers install via npm (npx) or Python (uvx/pip). Configure them in Claude Desktop's config file (claude_desktop_config.json) by specifying the command, arguments, and any required environment variables like API keys. Our directory links to each server's documentation with specific installation instructions.
Are MCP servers secure?
MCP servers run locally on your machine with explicit permissions you configure. They can only access resources you authorize, and Claude cannot bypass these boundaries. However, always review server code, use official/verified servers when possible, limit permissions to what's necessary, and be cautious with servers that request broad access.
What's the difference between MCP resources, tools, and prompts?
Resources are data sources Claude can read (files, database results, API responses). Tools are functions Claude can execute (run queries, send messages, create files). Prompts are pre-defined templates for common interactions. Most MCP servers expose one or more of these capability types.
Which AI clients support MCP besides Claude Desktop?
MCP is supported by Claude Desktop (official), Cursor IDE, Continue (VS Code extension), and various community implementations. The protocol is open, so support is expanding to more AI development tools. Check our compatibility filters to find servers tested with your preferred client.
How often is this MCP servers directory updated?
Our MCP servers directory is updated weekly with new servers, documentation improvements, and compatibility updates. We monitor GitHub releases, community contributions, and Anthropic announcements to ensure our listings reflect the latest MCP ecosystem developments.
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