Elysia icon

Elysia

Builds high-performance Model Context Protocol (MCP) servers using Bun and the Elysia web framework to expose resources, tools, and prompts to LLMs.

About

Elysia provides an implementation of the Model Context Protocol (MCP) server, leveraging the speed of Bun and the elegance of the Elysia web framework. It offers a standardized interface to expose resources, tools, and prompts to Large Language Models (LLMs). With features like Server-Sent Events (SSE) transport, complete MCP protocol support, and TypeScript integration, Elysia enables developers to create efficient and easy-to-use MCP-compatible servers for various applications.

Key Features

  • High-performance thanks to Bun's JavaScript runtime
  • 17 GitHub stars
  • Server-Sent Events (SSE) transport implementation for Bun and Elysia
  • Complete MCP protocol support with resources, tools, and prompts
  • TypeScript support with proper type definitions
  • Easy-to-use API for creating MCP-compatible servers
Craft Better Prompts with AnyPrompt
    Elysia: Build MCP Servers with Bun for LLMs