diff --git a/pyproject.toml b/pyproject.toml
index a2951b1e8..1f5afea36 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,6 +55,15 @@ openai = ["openai>=1.102.0"]
 tasks = ["pydocket>=0.16.4"]
 
 [dependency-groups]
+# Minimal test dependencies for validating that runtime dependencies are correctly declared
+# This intentionally excludes dev tools and optional dependencies to catch missing deps
+minimum-test = [
+    "pytest>=8.3.3",
+    "pytest-asyncio>=1.2.0",
+    "pytest-env>=1.1.5",
+    "pytest-timeout>=2.4.0",
+]
+
 dev = [
     "dirty-equals>=0.9.0",
     "fastmcp[anthropic,openai,tasks]",
diff --git a/uv.lock b/uv.lock
index 45ec1a233..8051cfeaf 100644
--- a/uv.lock
+++ b/uv.lock
@@ -747,6 +747,12 @@ dev = [
     { name = "ruff" },
     { name = "ty" },
 ]
+minimum-test = [
+    { name = "pytest" },
+    { name = "pytest-asyncio" },
+    { name = "pytest-env" },
+    { name = "pytest-timeout" },
+]
 
 [package.metadata]
 requires-dist = [
@@ -803,6 +809,12 @@ dev = [
     { name = "ruff", specifier = ">=0.12.8" },
     { name = "ty", specifier = ">=0.0.7" },
 ]
+minimum-test = [
+    { name = "pytest", specifier = ">=8.3.3" },
+    { name = "pytest-asyncio", specifier = ">=1.2.0" },
+    { name = "pytest-env", specifier = ">=1.1.5" },
+    { name = "pytest-timeout", specifier = ">=2.4.0" },
+]
 
 [[package]]
 name = "googleapis-common-protos"