diff --git a/src/capdisc/scope/inventory/roots.py b/src/capdisc/scope/inventory/roots.py
index 4d4be5d..c8f6d65 100644
--- a/src/capdisc/scope/inventory/roots.py
+++ b/src/capdisc/scope/inventory/roots.py
@@ -153,7 +153,16 @@ def discover(
                     kinds=_STANDALONE_KINDS,
                 )
             )
-        roots += [ScanRoot(scope=ScopeKind.project, base=base) for base in _project_bases(start)]
+        # Launched from the home directory itself (cwd = ~), the walk-up finds `~/.claude`
+        # and would label it project scope while the same physical directory is also added
+        # as the user root below — double-capturing every artifact it holds. The user root
+        # is the true owner; drop the project-scope alias.
+        user_claude = (home_dir / ".claude").resolve() if home_dir is not None else None
+        roots += [
+            ScanRoot(scope=ScopeKind.project, base=base)
+            for base in _project_bases(start)
+            if base.resolve() != user_claude
+        ]
         roots += [
             ScanRoot(scope=ScopeKind.project, base=base, kinds=frozenset({ArtifactKind.skill}))
             for base in _nested_skill_bases(start)
@@ -164,6 +173,8 @@ def discover(
         seen_project_bases = {
             root.base.resolve() for root in roots if root.scope == ScopeKind.project
         }
+        if user_claude is not None:
+            seen_project_bases.add(user_claude)
         for add in add_dirs:
             claude_dir = (add / ".claude").resolve()
             if claude_dir.is_dir() and claude_dir not in seen_project_bases:
diff --git a/tests/test_scope.py b/tests/test_scope.py
index f95348b..0407dec 100644
--- a/tests/test_scope.py
+++ b/tests/test_scope.py
@@ -24,6 +24,24 @@ def test_precedence_flips_by_kind(tmp_path: Path) -> None:
     assert _effective_scope(inv, ArtifactKind.agent, "foo") is ScopeKind.project  # subagents invert
 
 
+def test_home_launch_does_not_double_scan_user_claude(tmp_path: Path) -> None:
+    # Launched from the home directory itself (cwd = ~): `~/.claude` is the user root and
+    # must not also be captured as project scope, or every artifact in it lists twice.
+    home = tmp_path / "home"
+    standalone_set(home / ".claude")
+    roots = ScopeRoots.discover(start=home, home_dir=home)
+
+    target = (home / ".claude").resolve()
+    labelled = [(root.scope, Path(root.base).resolve()) for root in roots.roots]
+    assert (ScopeKind.user, target) in labelled
+    assert (ScopeKind.project, target) not in labelled
+
+    inv = ScopeInventory.scan(roots)
+    commands = [c for c in inv.artifacts if c.kind is ArtifactKind.command and c.name == "foo"]
+    assert len(commands) == 1
+    assert commands[0].scope is ScopeKind.user
+
+
 def test_command_has_no_managed_scope(tmp_path: Path) -> None:
     repo, managed = tmp_path / "repo", tmp_path / "managed"
     (repo / ".git").mkdir(parents=True)