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Solved 322: Confusion with streamable_http vs streamable-http transport naming #323

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Solved 322: Confusion with streamable_http vs streamable-http transport naming #323

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a16ce26
Modify: Streamable HTTP transport to support both 'streamable_http' a…
Seo-yul Sep 23, 2025
050efad
Merge branch 'main' into 322-transport-naming-issue
Seo-yul Sep 30, 2025
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6 changes: 3 additions & 3 deletions langchain_mcp_adapters/sessions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -143,7 +143,7 @@ class SSEConnection(TypedDict):
class StreamableHttpConnection(TypedDict):
"""Connection configuration for Streamable HTTP transport."""

transport: Literal["streamable_http"]
transport: Literal["streamable_http", "streamable-http"]

url: str
"""The URL of the endpoint to connect to."""
Expand Down Expand Up @@ -402,7 +402,7 @@ async def create_session(
raise ValueError(msg)
async with _create_sse_session(**params) as session:
yield session
elif transport == "streamable_http":
elif transport in ("streamable_http", "streamable-http"):
if "url" not in params:
msg = "'url' parameter is required for Streamable HTTP connection"
raise ValueError(msg)
Expand All @@ -426,6 +426,6 @@ async def create_session(
else:
msg = (
f"Unsupported transport: {transport}. "
f"Must be one of: 'stdio', 'sse', 'websocket', 'streamable_http'"
f"Must be one of: 'stdio', 'sse', 'websocket', 'streamable_http', 'streamable-http'"
)
raise ValueError(msg)