diff --git a/hermes_cli/kanban_db.py b/hermes_cli/kanban_db.py
index dc2ec507e78..86b399a9671 100644
--- a/hermes_cli/kanban_db.py
+++ b/hermes_cli/kanban_db.py
@@ -1275,6 +1275,12 @@ def create_task(
     if skills is not None:
         cleaned: list[str] = []
         seen: set[str] = set()
+        # Collect all toolset-name confusions up front so the user sees the
+        # whole list at once. Raising on the first hit is friendly when the
+        # input has one mistake, but agents that confuse skills with toolsets
+        # usually pass several at once (`skills=["web", "browser", "terminal"]`)
+        # and serial-correcting one per failure round-trips wastes tokens.
+        toolset_typos: list[str] = []
         for s in skills:
             if not s:
                 continue
@@ -1287,14 +1293,22 @@ def create_task(
                     f"(pass a list of separate names instead of a comma-joined string)"
                 )
             if name.casefold() in KNOWN_TOOLSET_NAMES:
-                raise ValueError(
-                    f"{name!r} is a toolset name, not a skill name. "
-                    "Put it in the assignee profile's toolsets instead of task skills."
-                )
+                toolset_typos.append(name)
+                continue
             if name in seen:
                 continue
             seen.add(name)
             cleaned.append(name)
+        if toolset_typos:
+            quoted = ", ".join(repr(n) for n in toolset_typos)
+            noun = "is a toolset name" if len(toolset_typos) == 1 else "are toolset names"
+            raise ValueError(
+                f"{quoted} {noun}, not skill name(s). "
+                "Put toolsets in the assignee profile's `toolsets:` config "
+                "instead of per-task skills. Skills are named skill bundles "
+                "(e.g. `kanban-worker`, `blogwatcher`); toolsets are runtime "
+                "capabilities (e.g. `web`, `browser`, `terminal`)."
+            )
         skills_list = cleaned
 
     # Idempotency check — return the existing task instead of creating a
diff --git a/tests/hermes_cli/test_kanban_core_functionality.py b/tests/hermes_cli/test_kanban_core_functionality.py
index ed5172c82de..c5ec3fa4ed2 100644
--- a/tests/hermes_cli/test_kanban_core_functionality.py
+++ b/tests/hermes_cli/test_kanban_core_functionality.py
@@ -2706,6 +2706,33 @@ def test_create_task_skills_rejects_toolset_names(kanban_home):
         conn.close()
 
 
+def test_create_task_skills_lists_all_toolset_typos(kanban_home):
+    """When several toolset names are passed, the error names every one.
+
+    Agents that confuse skills with toolsets usually pass several at once
+    (``skills=["web", "browser", "terminal"]``). Listing only the first
+    mistake forces serial fix-then-retry; listing all of them lets the
+    caller correct in one round-trip.
+    """
+    conn = kb.connect()
+    try:
+        with pytest.raises(ValueError) as exc_info:
+            kb.create_task(
+                conn,
+                title="three bad",
+                assignee="x",
+                skills=["web", "browser", "terminal"],
+            )
+        msg = str(exc_info.value)
+        assert "'web'" in msg
+        assert "'browser'" in msg
+        assert "'terminal'" in msg
+        # Plural noun form when multiple toolsets are flagged.
+        assert "are toolset names" in msg
+    finally:
+        conn.close()
+
+
 def test_default_spawn_appends_per_task_skills(kanban_home, monkeypatch):
     """Dispatcher argv must carry one `--skills X` pair per task skill,
     in addition to the built-in kanban-worker."""