# Source: https://gofastmcp.com/python-sdk/fastmcp-server-auth-providers-scalekit.md

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# scalekit

# `fastmcp.server.auth.providers.scalekit`

Scalekit authentication provider for FastMCP.

This module provides ScalekitProvider - a complete authentication solution that integrates
with Scalekit's OAuth 2.1 and OpenID Connect services, supporting Resource Server
authentication for seamless MCP client authentication.

## Classes

### `ScalekitProvider` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/providers/scalekit.py#L23" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

Scalekit resource server provider for OAuth 2.1 authentication.

This provider implements Scalekit integration using resource server pattern.
FastMCP acts as a protected resource server that validates access tokens issued
by Scalekit's authorization server.

IMPORTANT SETUP REQUIREMENTS:

1. Create an MCP Server in Scalekit Dashboard:
   * Go to your [Scalekit Dashboard](https://app.scalekit.com/)
   * Navigate to MCP Servers section
   * Register a new MCP Server with appropriate scopes
   * Ensure the Resource Identifier matches exactly what you configure as MCP URL
   * Note the Resource ID

2. Environment Configuration:
   * Set SCALEKIT\_ENVIRONMENT\_URL (e.g., [https://your-env.scalekit.com](https://your-env.scalekit.com))
   * Set SCALEKIT\_RESOURCE\_ID from your created resource
   * Set BASE\_URL to your FastMCP server's public URL

For detailed setup instructions, see:
[https://docs.scalekit.com/mcp/overview/](https://docs.scalekit.com/mcp/overview/)

**Methods:**

#### `get_routes` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/providers/scalekit.py#L144" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python  theme={"theme":{"light":"snazzy-light","dark":"dark-plus"}}
get_routes(self, mcp_path: str | None = None) -> list[Route]
```

Get OAuth routes including Scalekit authorization server metadata forwarding.

This returns the standard protected resource routes plus an authorization server
metadata endpoint that forwards Scalekit's OAuth metadata to clients.

**Args:**

* `mcp_path`: The path where the MCP endpoint is mounted (e.g., "/mcp")
  This is used to advertise the resource URL in metadata.