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refactor: remove deprecated SSE transport, keep streamable-http only

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SSE is deprecated per MCP spec. Both clients (wizard, emo) already use
type: "http" pointing to /mcp/mcp. Removes HandleSSE class,
SseServerTransport, and /mcp/sse + /mcp/messages/ routes.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Viktor Barzin 2026-04-08 19:57:18 +00:00
parent 73aefda82e
commit 0c64cb05e6
1 changed files with 2 additions and 30 deletions
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32
src/claude_memory/api/app.py
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@ -14,7 +14,6 @@ from fastapi import Depends, FastAPI, HTTPException
from fastapi.responses import Response from fastapi.responses import Response
from fastapi.staticfiles import StaticFiles from fastapi.staticfiles import StaticFiles
from mcp.server.fastmcp import FastMCP from mcp.server.fastmcp import FastMCP
from mcp.server.sse import SseServerTransport
from mcp.server.streamable_http_manager import StreamableHTTPSessionManager from mcp.server.streamable_http_manager import StreamableHTTPSessionManager
from starlette.routing import Mount, Route from starlette.routing import Mount, Route
from starlette.types import ASGIApp, Receive, Scope, Send from starlette.types import ASGIApp, Receive, Scope, Send
@ -1194,31 +1193,7 @@ class MCPAuthMiddleware:
app.add_middleware(MCPAuthMiddleware) app.add_middleware(MCPAuthMiddleware)
# Mount SSE transport # Streamable HTTP transport — the only MCP transport (SSE is deprecated).
sse_transport = SseServerTransport("/messages/")
class HandleSSE:
"""ASGI app for SSE connections."""
async def __call__(self, scope: Any, receive: Any, send: Any) -> None:
# Extract user from Authorization header for multi-user MCP
user_id = "default"
for name, value in scope.get("headers", []):
if name == b"authorization":
token = value.decode().removeprefix("Bearer ").strip()
resolved = _resolve_user_from_token(token)
if resolved:
user_id = resolved
break
_current_user.set(user_id)
async with sse_transport.connect_sse(scope, receive, send) as (read_stream, write_stream):
await mcp_server._mcp_server.run(
read_stream, write_stream, mcp_server._mcp_server.create_initialization_options()
)
# Streamable HTTP transport — session manager handles lifecycle automatically.
# More reliable through proxies than SSE since responses come in HTTP body.
streamable_session_mgr = StreamableHTTPSessionManager( streamable_session_mgr = StreamableHTTPSessionManager(
app=mcp_server._mcp_server, app=mcp_server._mcp_server,
json_response=True, json_response=True,
@ -1247,10 +1222,7 @@ streamable_handler = HandleStreamableHTTP()
# Static files for UI (before MCP mount) # Static files for UI (before MCP mount)
app.mount("/static", StaticFiles(directory=UI_DIR), name="static") app.mount("/static", StaticFiles(directory=UI_DIR), name="static")
# Client connects to /mcp/sse, posts to /mcp/messages/ (SSE transport) # MCP streamable-http transport at /mcp/mcp
# Client can also POST to /mcp/mcp (streamable-http transport)
app.router.routes.insert(0, Mount("/mcp", routes=[ app.router.routes.insert(0, Mount("/mcp", routes=[
Route("/sse", endpoint=HandleSSE()),
Mount("/messages", app=sse_transport.handle_post_message),
Route("/mcp", endpoint=streamable_handler, methods=["GET", "POST", "DELETE"]), Route("/mcp", endpoint=streamable_handler, methods=["GET", "POST", "DELETE"]),
])) ]))