Merge pull request #478 from jlowin/oauthclient

Introduce MCP client oauth flow

Author: jlowin

pyproject.toml

@@ -7,11 +7,12 @@ dependencies = [
     "python-dotenv>=1.1.0",
     "exceptiongroup>=1.2.2",
     "httpx>=0.28.1",
-    "mcp>=1.9.0,<2.0.0",
+    "mcp>=1.9.2,<2.0.0",
     "openapi-pydantic>=0.5.1",
     "rich>=13.9.4",
     "typer>=0.15.2",
     "websockets>=14.0",
+    "authlib>=1.5.2",
 ]
 requires-python = ">=3.10"
 readme = "README.md"

src/fastmcp/client/__init__.py

@@ -11,6 +11,7 @@
     FastMCPTransport,
     StreamableHttpTransport,
 )
+from .auth import OAuth
 
 __all__ = [
     "Client",
@@ -24,4 +25,5 @@
     "NpxStdioTransport",
     "FastMCPTransport",
     "StreamableHttpTransport",
+    "OAuth",
 ]