From ee72223dbff949e85cec73992783c0ee8c3a54a7 Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Fri, 12 Jun 2026 14:05:55 +0000
Subject: [PATCH] chore(deps): pin mcp<2.0 to prevent silent breaking upgrade
 on deploy
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Upstream claude-agent-sdk v0.2.96 guards against mcp 2.0 for the same
reason — closes #734.

https://claude.ai/code/session_011D61mHWpHKmtzFJmzcQfxx
---
 pyproject.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index 554829b4..f0b998da 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ classifiers = [
     "Topic :: Scientific/Engineering :: Artificial Intelligence",
 ]
 dependencies = [
-    "mcp>=1.27",
+    "mcp>=1.27,<2.0",
     "pydantic>=2.12",
     "pyyaml>=6.0",
     "numpy>=2.2",