fastmcp/docs/python-sdk/fastmcp-server-auth-providers-auth0.mdx
Jeremiah Lowin fc9f7197ec Update SDK
2025-10-20 18:04:53 -04:00

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---
title: auth0
sidebarTitle: auth0
---
# `fastmcp.server.auth.providers.auth0`
Auth0 OAuth provider for FastMCP.
This module provides a complete Auth0 integration that's ready to use with
just the configuration URL, client ID, client secret, audience, and base URL.
Example:
```python
from fastmcp import FastMCP
from fastmcp.server.auth.providers.auth0 import Auth0DCRProvider
# Simple Auth0 OAuth protection
auth = Auth0DCRProvider(
config_url="https://auth0.config.url",
client_id="your-auth0-client-id",
client_secret="your-auth0-client-secret",
audience="your-auth0-api-audience",
base_url="http://localhost:8000",
)
mcp = FastMCP("My Protected Server", auth=auth)
```
## Classes
### `Auth0DCRProviderSettings` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/providers/auth0.py#L44" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Settings for Auth0 OIDC DCR provider.
**Methods:**
#### `settings_customise_sources` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/providers/auth0.py#L55" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
settings_customise_sources(cls, settings_cls, init_settings, env_settings, dotenv_settings, file_secret_settings)
```
### `Auth0DCRProvider` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/providers/auth0.py#L86" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
An Auth0 DCR provider implementation for FastMCP.
This provider is a complete Auth0 integration that's ready to use with
just the configuration URL, client ID, client secret, audience, and base URL.
### `Auth0Provider` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/auth/providers/auth0.py#L208" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
Deprecated: Use Auth0DCRProvider instead.
This alias is provided for backwards compatibility and will be removed in a future version.