MCP server for Styx — intelligent AI routing across OpenAI, Anthropic, Google, and Mistral.
Connect Runs on your machine
claude mcp add styx-mcp-server -e STYX_API_KEY=<STYX_API_KEY> -e STYX_TOKEN=<STYX_TOKEN> -e STYX_API_URL=<STYX_API_URL> -e STYX_PROXY_URL=<STYX_PROXY_URL> -- npx -y [email protected]{
"mcpServers": {
"styx-mcp-server": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"STYX_API_KEY": "<STYX_API_KEY>",
"STYX_TOKEN": "<STYX_TOKEN>",
"STYX_API_URL": "<STYX_API_URL>",
"STYX_PROXY_URL": "<STYX_PROXY_URL>"
}
}
}
}{
"mcpServers": {
"styx-mcp-server": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"STYX_API_KEY": "<STYX_API_KEY>",
"STYX_TOKEN": "<STYX_TOKEN>",
"STYX_API_URL": "<STYX_API_URL>",
"STYX_PROXY_URL": "<STYX_PROXY_URL>"
}
}
}
}{
"servers": {
"styx-mcp-server": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"STYX_API_KEY": "<STYX_API_KEY>",
"STYX_TOKEN": "<STYX_TOKEN>",
"STYX_API_URL": "<STYX_API_URL>",
"STYX_PROXY_URL": "<STYX_PROXY_URL>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
STYX_API_KEYRequired, secret | Styx API key for routing AI requests through the gateway (required for styx_send_request) |
STYX_TOKENRequired, secret | Styx auth token for project and key management (required for management tools) |
STYX_API_URLOptional | Styx backend API URL |
STYX_PROXY_URLOptional | Styx proxy URL for AI request routing |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 11 Mar 2026 |
| Last updated | 11 Mar 2026 |
| Registry name | io.github.timmx7/styx-mcp-server |
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