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DeepSeek MCP Server

DeepSeek MCP Server is an MCP server that adds messaging tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Official DeepSeek MCP server for chat, completion, model listing, and balance endpoints. It has 353 GitHub stars, is released under the MIT license and runs locally with npx -y deepseek-mcp-server.

github.com/DMontgomery40/deepseek-mcp-server (opens in a new tab)

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Install DeepSeek MCP Server

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "deepseek-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "deepseek-mcp-server"
      ],
      "env": {
        "DEEPSEEK_API_KEY": "your-value"
      }
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --env DEEPSEEK_API_KEY=your-value --transport stdio deepseek-mcp-server -- npx -y deepseek-mcp-server

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "deepseek-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "deepseek-mcp-server"
      ],
      "env": {
        "DEEPSEEK_API_KEY": "your-value"
      }
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "inputs": [
    {
      "type": "promptString",
      "id": "deepseek_api_key",
      "description": "DEEPSEEK_API_KEY",
      "password": true
    }
  ],
  "servers": {
    "deepseek-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "deepseek-mcp-server"
      ],
      "env": {
        "DEEPSEEK_API_KEY": "${input:deepseek_api_key}"
      }
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

Environment variables

Variables the server reads at startup.

NameRequiredDescription
DEEPSEEK_API_KEYsecretYesDeepSeek API key used for upstream DeepSeek requests

Tools (11)

Parsed from the Tools section of the README; check the repository for the current list.

  • chat_completion

    text or visual Chat Completions, thinking controls,

  • create_response

    stateless Responses API calls with text/images, reasoning

  • completion

    FIM completion through /beta/completions.

  • list_models

    live model discovery.

  • get_user_balance

    account availability and balances.

  • upload_file

    upload base64 JPEG, PNG, GIF, or WebP data and receive a

  • list_files

    list uploaded files with cursor, order, and purpose filters.

  • retrieve_file

    retrieve metadata for one fileid.

  • delete_file

    delete one uploaded file.

  • reset_conversation

    clear one local in-memory conversation.

  • list_conversations

    list local in-memory conversation IDs.

About DeepSeek MCP Server

An MCP server for DeepSeek's current V4.1 Flash API: text and visual chat, the Responses API, FIM completion, Files API lifecycle operations, model discovery, balance checks, and bounded in-memory conversations.

  • deepseek-api
  • mcp
  • model-context-protocol
  • r1
  • deepseek-chat
  • deepseek-r1
  • deepseek-v3

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FAQ

DeepSeek MCP Server FAQ

Still curious? Email info@appsgit.com.

What is DeepSeek MCP Server?

DeepSeek MCP Server is an MCP server that adds messaging tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Official DeepSeek MCP server for chat, completion, model listing, and balance endpoints. It has 353 GitHub stars, is released under the MIT license and runs locally with npx -y deepseek-mcp-server. The source code is at github.com/DMontgomery40/deepseek-mcp-server.

How do I install the DeepSeek MCP Server MCP server?

Add the command npx -y deepseek-mcp-server to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is DeepSeek MCP Server free?

The server is open source under the MIT license, so running it is free. It needs credentials (DEEPSEEK_API_KEY) for the service it connects to, which may require a paid account.

Is DeepSeek MCP Server actively maintained?

The most recent commit was on Sep 11, 2026. The latest release is v1.0.1, published Sep 11, 2026. appsgit only lists MCP servers with a commit in the last six months and re-checks every server daily.