From d72ff4380590e6254d44122f587fd3cb742886d4 Mon Sep 17 00:00:00 2001
From: Daniele Morotti <58258368+DanieleMorotti@users.noreply.github.com>
Date: Mon, 16 Jun 2025 09:21:20 +0200
Subject: [PATCH 1/2] adopted float instead of timedelta for timeout parameters

---
 pyproject.toml           | 2 +-
 src/agents/mcp/server.py | 8 ++++----
 uv.lock                  | 8 ++++----
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index b59073ed8..a674dac96 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ dependencies = [
     "typing-extensions>=4.12.2, <5",
     "requests>=2.0, <3",
     "types-requests>=2.0, <3",
-    "mcp>=1.8.0, <2; python_version >= '3.10'",
+    "mcp>=1.9.4, <2; python_version >= '3.10'",
 ]
 classifiers = [
     "Typing :: Typed",
diff --git a/src/agents/mcp/server.py b/src/agents/mcp/server.py
index b012a0968..34bdcd4ef 100644
--- a/src/agents/mcp/server.py
+++ b/src/agents/mcp/server.py
@@ -340,10 +340,10 @@ class MCPServerStreamableHttpParams(TypedDict):
     headers: NotRequired[dict[str, str]]
     """The headers to send to the server."""
 
-    timeout: NotRequired[timedelta]
+    timeout: NotRequired[float]
     """The timeout for the HTTP request. Defaults to 5 seconds."""
 
-    sse_read_timeout: NotRequired[timedelta]
+    sse_read_timeout: NotRequired[float]
     """The timeout for the SSE connection, in seconds. Defaults to 5 minutes."""
 
     terminate_on_close: NotRequired[bool]
@@ -401,8 +401,8 @@ def create_streams(
         return streamablehttp_client(
             url=self.params["url"],
             headers=self.params.get("headers", None),
-            timeout=self.params.get("timeout", timedelta(seconds=30)),
-            sse_read_timeout=self.params.get("sse_read_timeout", timedelta(seconds=60 * 5)),
+            timeout=self.params.get("timeout", 5),
+            sse_read_timeout=self.params.get("sse_read_timeout", 60 * 5),
             terminate_on_close=self.params.get("terminate_on_close", True),
         )
 
diff --git a/uv.lock b/uv.lock
index 1779b8637..56f56f413 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1047,7 +1047,7 @@ wheels = [
 
 [[package]]
 name = "mcp"
-version = "1.8.1"
+version = "1.9.4"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "anyio", marker = "python_full_version >= '3.10'" },
@@ -1060,9 +1060,9 @@ dependencies = [
     { name = "starlette", marker = "python_full_version >= '3.10'" },
     { name = "uvicorn", marker = "python_full_version >= '3.10' and sys_platform != 'emscripten'" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/7c/13/16b712e8a3be6a736b411df2fc6b4e75eb1d3e99b1cd57a3a1decf17f612/mcp-1.8.1.tar.gz", hash = "sha256:ec0646271d93749f784d2316fb5fe6102fb0d1be788ec70a9e2517e8f2722c0e", size = 265605 }
+sdist = { url = "https://files.pythonhosted.org/packages/06/f2/dc2450e566eeccf92d89a00c3e813234ad58e2ba1e31d11467a09ac4f3b9/mcp-1.9.4.tar.gz", hash = "sha256:cfb0bcd1a9535b42edaef89947b9e18a8feb49362e1cc059d6e7fc636f2cb09f", size = 333294 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/1c/5d/91cf0d40e40ae9ecf8d4004e0f9611eea86085aa0b5505493e0ff53972da/mcp-1.8.1-py3-none-any.whl", hash = "sha256:948e03783859fa35abe05b9b6c0a1d5519be452fc079dc8d7f682549591c1770", size = 119761 },
+    { url = "https://files.pythonhosted.org/packages/97/fc/80e655c955137393c443842ffcc4feccab5b12fa7cb8de9ced90f90e6998/mcp-1.9.4-py3-none-any.whl", hash = "sha256:7fcf36b62936adb8e63f89346bccca1268eeca9bf6dfb562ee10b1dfbda9dac0", size = 130232 },
 ]
 
 [[package]]
@@ -1534,7 +1534,7 @@ requires-dist = [
     { name = "graphviz", marker = "extra == 'viz'", specifier = ">=0.17" },
     { name = "griffe", specifier = ">=1.5.6,<2" },
     { name = "litellm", marker = "extra == 'litellm'", specifier = ">=1.67.4.post1,<2" },
-    { name = "mcp", marker = "python_full_version >= '3.10'", specifier = ">=1.8.0,<2" },
+    { name = "mcp", marker = "python_full_version >= '3.10'", specifier = ">=1.9.4,<2" },
     { name = "numpy", marker = "python_full_version >= '3.10' and extra == 'voice'", specifier = ">=2.2.0,<3" },
     { name = "openai", specifier = ">=1.81.0" },
     { name = "pydantic", specifier = ">=2.10,<3" },

From 83c8e2153366a176e7b8cb6ef3b13b6792bf97bf Mon Sep 17 00:00:00 2001
From: Daniele Morotti <58258368+DanieleMorotti@users.noreply.github.com>
Date: Mon, 16 Jun 2025 17:33:38 +0200
Subject: [PATCH 2/2] keep timedelta as possible type for timeouts

---
 src/agents/mcp/server.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/agents/mcp/server.py b/src/agents/mcp/server.py
index 34bdcd4ef..3d1e17790 100644
--- a/src/agents/mcp/server.py
+++ b/src/agents/mcp/server.py
@@ -340,10 +340,10 @@ class MCPServerStreamableHttpParams(TypedDict):
     headers: NotRequired[dict[str, str]]
     """The headers to send to the server."""
 
-    timeout: NotRequired[float]
+    timeout: NotRequired[timedelta | float]
     """The timeout for the HTTP request. Defaults to 5 seconds."""
 
-    sse_read_timeout: NotRequired[float]
+    sse_read_timeout: NotRequired[timedelta | float]
     """The timeout for the SSE connection, in seconds. Defaults to 5 minutes."""
 
     terminate_on_close: NotRequired[bool]