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View the source code for this module on GitHub: https://github.com/mcp-use/mcp-use/blob/main/libraries/python/mcp_use/client/auth/oauth.py
OAuth authentication support for MCP clients.

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ClientRegistrationResponse

from mcp_use.client.auth.oauth import ClientRegistrationResponse

Attributes
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client_id
str
required
MCP client instance
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client_secret
str | None
required
MCP client instance
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client_id_issued_at
int | None
required
MCP client instance
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client_secret_expires_at
int | None
required
MCP client instance
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redirect_uris
list[str] | None
required
List of items
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grant_types
list[str] | None
required
List of items
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response_types
list[str] | None
required
List of items
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client_name
str | None
required
MCP client instance
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token_endpoint_auth_method
str | None
required
String value

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method init

Create a new model by parsing and validating input data from keyword arguments.Raises [ValidationError][pydantic_core.ValidationError] if the input data cannot be validated to form a valid model.self is explicitly positional-only to allow self as a field name.Parameters
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data
Any
required
Parameter value
Signature
def __init__(data: Any):

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FileTokenStorage

from mcp_use.client.auth.oauth import FileTokenStorage

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method init

Initialize token storage.Parameters
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base_dir
pathlib.Path | None
default:"None"
Base directory for token storage. Defaults to ~/.mcp_use/tokens
Signature
def __init__(base_dir: pathlib.Path | None = None):

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method delete_tokens

Delete tokens for a server.Parameters
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server_url
str
required
Server name or configuration
Signature
def delete_tokens(server_url: str):

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method load_tokens

Load tokens from file.Parameters
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server_url
str
required
Server name or configuration
Returns
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returns
mcp_use.client.auth.oauth.TokenData | None
Signature
def load_tokens(server_url: str):

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method save_tokens

Save tokens to file.Parameters
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server_url
str
required
Server name or configuration
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tokens
dict[str, Any]
required
Dictionary of key-value pairs
Signature
def save_tokens(server_url: str, tokens: dict[str, Any]):

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OAuth

from mcp_use.client.auth.oauth import OAuth

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method init

Initialize OAuth handler.Parameters
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server_url
str
required
The MCP server URL
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token_storage
mcp_use.client.auth.oauth.FileTokenStorage | None
default:"None"
Token storage implementation. Defaults to FileTokenStorage
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scope
str | None
default:"None"
OAuth scopes to request
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client_id
str | None
default:"None"
OAuth client ID. If not provided, will attempt dynamic registration
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client_secret
str | None
default:"None"
OAuth client secret (for confidential clients)
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callback_port
int | None
default:"None"
Port for local callback server, if empty, 8080 is used
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oauth_provider
mcp_use.client.auth.oauth.OAuthClientProvider | None
default:"None"
OAuth client provider to prevent metadata discovery
Signature
def __init__(server_url: str, token_storage: mcp_use.client.auth.oauth.FileTokenStorage | None = None, scope: str | None = None, client_id: str | None = None, client_secret: str | None = None, callback_port: int | None = None, oauth_provider: mcp_use.client.auth.oauth.OAuthClientProvider | None = None):

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method authenticate

Perform OAuth authentication flow.Returns
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returns
mcp_use.client.auth.bearer.BearerAuth
Signature
def authenticate():

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method initialize

Initialize OAuth and return bearer auth if tokens exist.Parameters
​
client
httpx.AsyncClient
required
MCP client instance
Returns
​
returns
mcp_use.client.auth.bearer.BearerAuth | None
Signature
def initialize(client: httpx.AsyncClient):

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method refresh_token

Refresh the access token if possible.Returns
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returns
mcp_use.client.auth.bearer.BearerAuth | None
Signature
def refresh_token():

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OAuthClientProvider

from mcp_use.client.auth.oauth import OAuthClientProvider

Attributes
​
id
str
required
String value
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display_name
str
required
Name identifier
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metadata
mcp_use.client.auth.oauth.ServerOAuthMetadata | dict[str, typing.Any]
required
Dictionary of key-value pairs

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method init

Create a new model by parsing and validating input data from keyword arguments.Raises [ValidationError][pydantic_core.ValidationError] if the input data cannot be validated to form a valid model.self is explicitly positional-only to allow self as a field name.Parameters
​
data
Any
required
Parameter value
Signature
def __init__(data: Any):

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property oauth_metadata

Get OAuth metadata as ServerOAuthMetadata instance.Returns
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returns
mcp_use.client.auth.oauth.ServerOAuthMetadata
Signature
def oauth_metadata():

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ServerOAuthMetadata

from mcp_use.client.auth.oauth import ServerOAuthMetadata

Attributes
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issuer
pydantic.networks.HttpUrl
required
Parameter value
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authorization_endpoint
pydantic.networks.HttpUrl
required
Parameter value
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token_endpoint
pydantic.networks.HttpUrl
required
Parameter value
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userinfo_endpoint
pydantic.networks.HttpUrl | None
required
Parameter value
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revocation_endpoint
pydantic.networks.HttpUrl | None
required
Parameter value
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introspection_endpoint
pydantic.networks.HttpUrl | None
required
Parameter value
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registration_endpoint
pydantic.networks.HttpUrl | None
required
Parameter value
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jwks_uri
pydantic.networks.HttpUrl | None
required
Parameter value
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response_types_supported
list[str]
required
List of items
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subject_types_supported
list[str]
required
List of items
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id_token_signing_alg_values_supported
list[str]
required
List of items
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scopes_supported
list[str] | None
required
List of items
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token_endpoint_auth_methods_supported
list[str]
required
List of items
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claims_supported
list[str] | None
required
List of items
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code_challenge_methods_supported
list[str] | None
required
List of items

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method init

Create a new model by parsing and validating input data from keyword arguments.Raises [ValidationError][pydantic_core.ValidationError] if the input data cannot be validated to form a valid model.self is explicitly positional-only to allow self as a field name.Parameters
​
data
Any
required
Parameter value
Signature
def __init__(data: Any):

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TokenData

from mcp_use.client.auth.oauth import TokenData

Attributes
​
access_token
str
required
String value
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token_type
str
required
String value
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expires_at
float | None
required
Parameter value
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refresh_token
str | None
required
String value
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scope
str | None
required
String value

​
method init

Create a new model by parsing and validating input data from keyword arguments.Raises [ValidationError][pydantic_core.ValidationError] if the input data cannot be validated to form a valid model.self is explicitly positional-only to allow self as a field name.Parameters
​
data
Any
required
Parameter value
Signature
def __init__(data: Any):