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Simply MCP Server

@noname9091

Repository

Basic information

Category

Other

License

MIT license

Transports

stdio

Author

noname9091

About Simply MCP Server

simply a TypeScript framework for building MCP servers

#typescript#mcp#framework

Simply MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "simply": {
      "command": "npx",
      "args": [
        "sova",
        "dev",
        "src/examples/addition.ts"
      ]
    }
  }
}

Simply MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is Simply MCP?

Simply MCP is a TypeScript framework for building MCP (Model Context Protocol) servers that can handle client sessions. It provides simple tool, resource, and prompt definitions, along with built-in support for authentication, logging, error handling, and multiple transport options. The framework is designed for developers who want to quickly create MCP servers with minimal boilerplate.

How to use Simply MCP?

Install the package via npm (npm install sova), import sova from simply, create a server instance with a name and version, add tools using the addTool method with Zod (or any Standard Schema library), and start the server (e.g., server.start({ transportType: "stdio" })). Use the CLI commands npx sova dev <file> to test or npx sova inspect <file> to debug.

Key features of Simply MCP

  • Simple Tool, Resource, and Prompt definition
  • Authentication and session management
  • Image and audio content support
  • Logging and structured error handling
  • SSE transport with CORS enabled by default
  • Progress notifications and prompt argument auto‑completion
  • Automated SSE pings and Roots support

Use cases of Simply MCP

  • Exposing executable functions (tools) for LLM clients to perform actions
  • Providing real-time updates via Server-Sent Events (SSE) for remote MCP communication
  • Returning mixed content types (text, image, audio) from a single tool
  • Building testable and debuggable MCP servers using built-in CLI tooling

Frequently asked questions

1

What validation libraries does Simply MCP support?

Simply MCP uses the Standard Schema specification, so you can use Zod, ArkType, or Valibot (with the `@valibot/to-json-schema` peer dependency) for defining tool parameters.

2

How do I run a Simply MCP server with SSE?

Call `server.start({ transportType: "sse", sse: { endpoint: "/sse", port: 8080 } })`. This starts the server listening for SSE connections on `http://localhost:8080/sse`.

3

Does Simply MCP support returning images and audio?

Yes. Use the `imageContent` and `audioContent` helper functions (from `sova`) to return content objects for images or audio, specifying a URL, file path, or buffer.

4

How can I test a Simply MCP server?

Run `npx sova dev <file>` to test with the MCP CLI, or `npx sova inspect <file>` to inspect with the MCP Inspector.

5

Are there any runtime dependencies for Simply MCP?

Simply MCP requires Node.js and the `sova` npm package. For Valibot, the peer dependency `@valibot/to-json-schema` is needed. No other external services are required.

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