What is Mcp Server?
Mcp Server is the official reference implementation of the Model Context Protocol (MCP), providing a standardized way for AI models and applications to communicate. It allows developers to create servers that expose tools (functions) and resources (data) to AI clients, enabling seamless integration with large language models.
How to use Mcp Server?
Install the SDK and create a server instance using new McpServer({ name, version }). Add AI‑callable tools with server.tool(name, schema, handler) and resources with server.resource(name, template, handler). Connect the server to a client via SSE (Server‑Sent Events) using SSEServerTransport.
Key features of Mcp Server
- Define custom tools for AI model function calling
- Serve dynamic resources using URI pattern templates
- Support real‑time data streaming via SSE transport
- Standardised communication between LLMs and applications
- Lightweight TypeScript SDK with Zod schema validation
Use cases of Mcp Server
- Building API servers that connect LLMs to external data or actions
- Creating microservices that expose AI‑enabled functionalities
- Developing conversational applications with tool and resource access
- Replacing or supplementing LangChain for tool‑based AI interactions
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