Llm Gateway MCP Server
L

Llm Gateway MCP Server

The Ultimate MCP Server is an AI agent operating system based on the Model Context Protocol (MCP), providing a rich toolset and intelligent task delegation function, supporting multi-LLM provider integration, optimizing cost and performance, and automating complex workflows.
2 points
6.7K

What is the Ultimate MCP Server?

The Ultimate MCP Server is an AI agent operating system built on the Model Context Protocol (MCP), providing a rich tool ecosystem for advanced AI agents. It enables AI agents to access dozens of functions such as browser automation, Excel operations, database interactions, document processing, and command-line tools, transforming AI agents from simple dialogue interfaces into powerful autonomous systems capable of performing complex multi-step operations across digital environments.

How to use the Ultimate MCP Server?

After installing the Python 3.13+ environment, you can start the server through simple command-line operations. You can configure the API key and server settings through the.env file, and then use the built-in CLI tool to manage the server, interact with LLM providers, and test functions. AI agents can call various tools provided by the server through HTTP requests.

Applicable scenarios

Suitable for scenarios where AI agents need to perform complex tasks, such as document analysis and summarization, web automation research, data extraction and processing, Excel report generation, knowledge graph construction, multi-model comparison, etc. Particularly suitable for complex workflows that require combining advanced AI reasoning capabilities with various professional tools.

Main features

MCP protocol integration
Natively supports the Model Context Protocol, and all functions are exposed through standardized MCP tools, which can be directly called by AI agents.
Intelligent task delegation
Analyzes tasks and routes them to the appropriate model or dedicated tool to optimize the balance of cost, performance, and quality.
Multi-provider support
The unified interface supports OpenAI, Anthropic (Claude), Google (Gemini), xAI (Grok), DeepSeek, and OpenRouter.
Advanced caching
Multi-level caching strategies (exact match, semantic similarity, task awareness), disk-persistent caching, tracking cache hit rate and estimating cost savings.
Document tools
Intelligent chunking, document operations (summarization, entity extraction, question generation), and batch processing.
Browser automation
Achieves full control using Playwright: navigation, clicking, input, data scraping, screenshotting, PDF generation, file upload/download, and JS execution.
Cognitive memory system
Hierarchy of working memory, episodic memory, semantic memory, and procedural memory, supporting memory storage/retrieval and tracking of metadata, relationships, and importance.
Excel automation
Directly operates Excel files through natural language or structured instructions, analyzes formulas, learns templates, and generates VBA code.
Dynamic API integration
Dynamically registers REST APIs through the OpenAPI specification, making endpoints available as callable MCP tools.
Advantages
Significantly reduce costs: By routing appropriate tasks to cheaper models (e.g., $0.01/1K tokens vs $0.15/1K tokens), you can save 70 - 90% of API costs.
Unified interface avoids provider lock-in: The standard API supports multiple LLM providers, allowing easy switching without changing application code.
Comprehensive AI agent toolkit: Dozens of tools cover various needs such as document processing, data analysis, and browser automation.
Intelligent caching reduces redundant API calls: Implements multi-level caching strategies for exact match, semantic similarity, and task awareness.
Autonomous document optimization: The built-in tool document automatic analysis, testing, and optimization system continuously improves document quality.
Limitations
Complex initial configuration: Requires setting multiple API keys and tool-specific configurations.
High resource consumption: Running the full set of tools requires high memory and CPU resources.
Steep learning curve: It takes some time to fully master all tools and functions.
Dependence on external services: The availability and rate limits of LLM APIs may affect service stability.
Security risks: Open MCP endpoints require additional security measures to prevent abuse.

How to use

Installation preparation
Ensure that Python 3.13+ and the uv package manager are installed on the system. Clone the repository and create a virtual environment.
Configure the environment
Create a.env file in the project root directory and configure the API key and server settings. At least one API key from an LLM provider is required.
Start the server
Use the CLI command to start the server and optionally include/exclude specific tools.
Interact using the CLI
Manage the server, test functions, and run examples through the umcp command-line tool.
Integrate into an AI agent
Call MCP tools through HTTP requests in an AI agent application, using the standard MCP protocol format.

Usage examples

Document analysis and summarization
After chunking a large document, use a cheaper model to summarize each chunk in parallel, and finally use an advanced model to synthesize the final report.
Web automation research
Automatically browse multiple websites, extract structured data, and comprehensively generate a research report.
Excel financial model generation
Create a complex Excel financial model, including formulas, formats, and charts, through natural language instructions.
Multi-model comparison
Let different models answer the same question and compare the results to select the best answer or combine the advantages of each model.

Frequently Asked Questions

What is the difference between the MCP Server and directly using the LLM API?
How to ensure the security of file system operations?
Which LLM providers are supported?
How to monitor API usage costs?
Does it support custom tool development?
How to handle long-running tasks?

Related resources

GitHub repository
Project source code and latest version
Model Context Protocol specification
Official documentation for the MCP protocol
FastAPI documentation
Documentation for the used web framework
Playwright documentation
Documentation for the browser automation tool
Example script set
Over 35 end-to-end usage examples

Installation

Copy the following command to your Client for configuration
Note: Your key is sensitive information, do not share it with anyone.

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