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[v1.x] Add Streamable HTTP request body limits (#3101)

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Marcelo Trylesinski 2026-07-16 10:54:29 +02:00 • committed by GitHub
commit 5f0b6af9f2
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1 changed files with 238 additions and 11 deletions
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9
tests/server/fastmcp/test_server.py
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@ -1490,3 +1490,12 @@ def test_streamable_http_no_redirect() -> None:
# Verify path values
assert streamable_routes[0].path == "/mcp", "Streamable route path should be /mcp"
def test_streamable_http_app_passes_the_configured_request_body_limit_to_its_manager() -> None:
"""SDK-defined: FastMCP forwards its public request-body setting to the Streamable HTTP manager."""
mcp = FastMCP(max_request_body_size=8)
mcp.streamable_http_app()
assert mcp.session_manager.max_request_body_size == 8