LocalFree server, account needed

Styx MCP server

timmx7/styx

MCP server for Styx — intelligent AI routing across OpenAI, Anthropic, Google, and Mistral.

5 GitHub stars1 forks111 npm downloads / month
Source code

Install Styx in Claude Code

Claude Code
claude mcp add styx -e STYX_API_KEY=... -e STYX_TOKEN=... -- npx -y styx-mcp-server
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "styx": {
      "command": "npx",
      "args": [
        "-y",
        "styx-mcp-server"
      ],
      "env": {
        "STYX_API_KEY": "...",
        "STYX_TOKEN": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Styx MCP server do?

MCP server for Styx — intelligent AI routing across OpenAI, Anthropic, Google, and Mistral.

Is the Styx MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Styx run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Styx to Claude Code?

Run: claude mcp add styx -e STYX_API_KEY=... -e STYX_TOKEN=... -- npx -y styx-mcp-server

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