diff --git a/agent/prompt_builder.py b/agent/prompt_builder.py
index 080a3525e..b11cade39 100644
--- a/agent/prompt_builder.py
+++ b/agent/prompt_builder.py
@@ -1164,7 +1164,7 @@ def build_skills_system_prompt(
         or get_session_env("HERMES_SESSION_PLATFORM")
         or ""
     )
-    disabled = get_disabled_skill_names()
+    disabled = get_disabled_skill_names(_platform_hint or None)
     cache_key = (
         str(skills_dir.resolve()),
         tuple(str(d) for d in external_dirs),
diff --git a/agent/skill_utils.py b/agent/skill_utils.py
index 62bcc5a2b..f8676e2f6 100644
--- a/agent/skill_utils.py
+++ b/agent/skill_utils.py
@@ -305,13 +305,14 @@ def get_disabled_skill_names(platform: str | None = None) -> Set[str]:
         or os.getenv("HERMES_PLATFORM")
         or get_session_env("HERMES_SESSION_PLATFORM")
     )
+    global_disabled = _normalize_string_set(skills_cfg.get("disabled"))
     if resolved_platform:
         platform_disabled = (skills_cfg.get("platform_disabled") or {}).get(
             resolved_platform
         )
         if platform_disabled is not None:
-            return _normalize_string_set(platform_disabled)
-    return _normalize_string_set(skills_cfg.get("disabled"))
+            return global_disabled | _normalize_string_set(platform_disabled)
+    return global_disabled
 
 
 def _normalize_string_set(values) -> Set[str]:
diff --git a/tests/agent/test_prompt_builder.py b/tests/agent/test_prompt_builder.py
index e6c302fdb..07d5a2145 100644
--- a/tests/agent/test_prompt_builder.py
+++ b/tests/agent/test_prompt_builder.py
@@ -419,6 +419,7 @@ class TestBuildSkillsSystemPrompt:
         second = build_skills_system_prompt()
         assert "cached-skill" not in second
 
+
     def test_includes_setup_needed_skills(self, monkeypatch, tmp_path):
         monkeypatch.setenv("HERMES_HOME", str(tmp_path))
         monkeypatch.delenv("MISSING_API_KEY_XYZ", raising=False)
diff --git a/tests/hermes_cli/test_skills_config.py b/tests/hermes_cli/test_skills_config.py
index 7e2170a3e..094d79c5b 100644
--- a/tests/hermes_cli/test_skills_config.py
+++ b/tests/hermes_cli/test_skills_config.py
@@ -164,7 +164,7 @@ class TestGetDisabledSkillNames:
 
         from agent.skill_utils import get_disabled_skill_names
         result = get_disabled_skill_names(platform="telegram")
-        assert result == {"tg-only-skill"}
+        assert result == {"tg-only-skill", "global-skill"}
 
     def test_session_platform_env_var(self, tmp_path, monkeypatch):
         """HERMES_SESSION_PLATFORM should be used when HERMES_PLATFORM is unset."""
@@ -183,7 +183,7 @@ class TestGetDisabledSkillNames:
 
         from agent.skill_utils import get_disabled_skill_names
         result = get_disabled_skill_names()
-        assert result == {"discord-skill"}
+        assert result == {"discord-skill", "global-skill"}
 
     def test_hermes_platform_takes_precedence(self, tmp_path, monkeypatch):
         """HERMES_PLATFORM should win over HERMES_SESSION_PLATFORM."""