diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8269bb653..d3510c731 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -81,6 +81,13 @@ history.
   (`connect 70/2005.0 70/2011.text`) and emits a `connect` op carrying the
   instance `path`. A link that crosses the subgraph boundary is still refused,
   and so is a link inside a definition shared by several instances.
+- `comfy workflow delete-node` and `delete-nodes` accept the interior paths
+  `workflow print` shows (`delete-node 70/2012`). They delete the node from its
+  subgraph definition with its interior links, and emit a `delete_node` op
+  carrying the instance `path`. A definition shared by several instances, or a
+  node that backs a promoted widget, is refused without writing. Replaying the
+  op needs a doc host on comfy-multi-player 0.3.12 or later: older appliers
+  ignore `path` and delete the top-level node with the same id.
 - `comfy workflow disconnect <file> <node>.<input>` removes an input link and
   emits a replayable `disconnect` op. Concrete, promoted, widget-converted,
   autogrow, and eligible interior-subgraph inputs retain stable last-write-wins
diff --git a/comfy_cli/command/workflow_edit.py b/comfy_cli/command/workflow_edit.py
index 5b938108b..0f4acb7cb 100644
--- a/comfy_cli/command/workflow_edit.py
+++ b/comfy_cli/command/workflow_edit.py
@@ -480,7 +480,7 @@ def disconnect_cmd(
 @tracking.track_command("workflow")
 def delete_cmd(
     file: Annotated[str, typer.Argument(help="Frontend-format workflow JSON.")],
-    node: Annotated[str, typer.Argument(help="Node id to delete.")],
+    node: Annotated[str, typer.Argument(help="Node id or interior path to delete (for example 70/22).")],
     actor: ActorOpt = "cli",
     base_version: BaseVersionOpt = 0,
     stdout: StdoutOpt = False,
@@ -517,7 +517,7 @@ def delete_cmd(
 @tracking.track_command("workflow")
 def delete_nodes_cmd(
     file: Annotated[str, typer.Argument(help="Frontend-format workflow JSON.")],
-    nodes: Annotated[list[str], typer.Argument(help="Node ids to delete (one or more).")],
+    nodes: Annotated[list[str], typer.Argument(help="Node ids or interior paths to delete (one or more).")],
     actor: ActorOpt = "cli",
     base_version: BaseVersionOpt = 0,
     stdout: StdoutOpt = False,
diff --git a/comfy_cli/skills/comfy/SKILL.md b/comfy_cli/skills/comfy/SKILL.md
index cb40d28cd..ccb049580 100644
--- a/comfy_cli/skills/comfy/SKILL.md
+++ b/comfy_cli/skills/comfy/SKILL.md
@@ -483,10 +483,14 @@ comfy --json download --out-dir ./out < run.json                      # pull the
   in place.
 - **`delete-node` ≠ `delete`:** `delete-node` removes a *node from the graph file*;
   `comfy workflow delete` deletes a *saved workflow from Comfy Cloud*. Do not confuse them.
-- `add-node`/`connect`/`delete-node` operate on **top-level** nodes only.
-  `set-widget` additionally resolves values **inside a subgraph** directly — use
-  the flat promoted address `slots` advertises (e.g. `57.text`) or the nested
-  form (`57/27.text`); no decompose needed.
+- `add-node` operates on **top-level** nodes only. `connect` (between two
+  nodes of the same subgraph) and `delete-node`/`delete-nodes` also accept the
+  interior addresses `workflow print` shows (e.g. `70/22`), but only inside a
+  subgraph definition used by a single instance; a shared definition is
+  refused rather than edited in every instance. `set-widget` additionally
+  resolves values **inside a subgraph** directly — use the flat promoted
+  address `slots` advertises (e.g. `57.text`) or the nested form
+  (`57/27.text`); no decompose needed.
 - **`set-node-field` writes one durable, per-node scalar field** — `title`,
   `mode`, `flags.collapsed` or `flags.pinned` — (or `--clear`s it back to
   absent). It needs no catalog — none of those four is a widget — and is the
diff --git a/comfy_cli/workflow_ops.py b/comfy_cli/workflow_ops.py
index 08da921fd..df792a16c 100644
--- a/comfy_cli/workflow_ops.py
+++ b/comfy_cli/workflow_ops.py
@@ -231,11 +231,11 @@ def __init__(self, node_id: Any, class_type: str, widget: str, *, interior: bool
         #: delete_node accepts (not the spelling the caller typed).
         self.node_id = node_id
         if interior:
-            # delete_node only removes top-level nodes, and insert_workflow only
-            # adds at the root, so there is no command route to replace it.
+            # insert_workflow only adds at the root, so even where delete_node
+            # can remove an interior note there is no command route to replace it.
             self.hint = (
-                f"{node_id} is a note inside a subgraph definition: delete-node only removes top-level nodes, "
-                "so its text can only be changed in the ComfyUI editor"
+                f"{node_id} is a note inside a subgraph definition: no command can insert a replacement inside "
+                "a subgraph, so its text can only be changed in the ComfyUI editor"
             )
         else:
             self.hint = (
@@ -1343,6 +1343,27 @@ def _navigate_subgraph_path(workflow: dict, segments: list[str]) -> dict:
     return node
 
 
+def _interior_path_deleted(workflow: dict, segments: list[str]) -> bool:
+    """True when ``segments`` stops at an interior node that is absent from an
+    existing definition — the shape an interior ``delete_node`` leaves behind,
+    as opposed to a path that was never valid."""
+    from comfy_cli.cql import engine as _engine
+
+    defs_by_id = _engine._subgraph_defs_by_id(workflow)
+    node = _find_by_str(workflow, segments[0])
+    for seg in segments[1:]:
+        sg = defs_by_id.get(str((node or {}).get("type", ""))) if isinstance(node, dict) else None
+        if sg is None:
+            return False
+        node = next(
+            (n for n in sg.get("nodes") or [] if isinstance(n, dict) and str(n.get("id", "")) == str(seg)),
+            None,
+        )
+        if node is None:
+            return True
+    return False
+
+
 def _subgraph_boundary_error(workflow: dict, node_id: Any) -> ValueError | None:
     """Explain a connect endpoint that addresses a subgraph interior.
 
@@ -1771,6 +1792,76 @@ def _interior_disconnect_scope(workflow: dict, to_node: Any) -> dict | None:
     return {"path": [str(seg) for seg in path], "definition": definition, "dst": dst}
 
 
+def _interior_delete_scope(workflow: dict, node_id: Any) -> dict | None:
+    """Resolve an interior node delete to its owning single-instance definition."""
+    from comfy_cli.cql import engine as _engine
+
+    text = str(node_id)
+    if _find_by_str(workflow, text) is not None:
+        return None
+    if _engine._SUBGRAPH_PATH_SEP in text:
+        segments = _engine.split_node_path(workflow, text)
+    elif ":" in text:
+        segments = text.split(":")
+    else:
+        return None
+    if len(segments) < 2:
+        return None
+    path = segments[:-1]
+    try:
+        host = _navigate_subgraph_path(workflow, path)
+    except ValueError:
+        return None
+    definition = _engine._subgraph_defs_by_id(workflow).get(str(host.get("type", "")))
+    if definition is None:
+        return None
+    target = next(
+        (
+            node
+            for node in definition.get("nodes") or []
+            if isinstance(node, dict) and str(node.get("id")) == str(segments[-1])
+        ),
+        None,
+    )
+    if target is None:
+        return None
+    instances = _definition_instance_count(workflow, str(host.get("type", "")))
+    if instances > 1:
+        raise ValueError(
+            f"subgraph {'/'.join(path)} shares its definition {definition.get('id')} with "
+            f"{instances} instances, so deleting a node inside it would mutate all {instances} at once — "
+            "delete-node refuses that; edit a single-instance copy (unpack or duplicate the subgraph in the editor)"
+        )
+    # A promoted widget's value lives positionally in the host's
+    # widgets_values (or, for a legacy promotion, in proxyWidgets order).
+    # Deleting its source would shift every later value onto the wrong input,
+    # and neither this CLI nor the shared applier realigns the host, so refuse.
+    from comfy_cli.cql import promoted as _promoted
+
+    target_id = str(target.get("id"))
+    backed = [
+        p.name
+        for p in _promoted.promoted_inputs(definition, _engine._subgraph_defs_by_id(workflow))
+        if p.is_widget and str(p.source_node) == target_id
+    ]
+    backed += [
+        str(entry[1])
+        for entry in (host.get("properties") or {}).get("proxyWidgets") or []
+        if isinstance(entry, list) and len(entry) >= 2 and str(entry[0]) == target_id
+    ]
+    if backed:
+        raise ValueError(
+            f"node {'/'.join([*path, target_id])} backs the promoted widget(s) {sorted(set(backed))} of subgraph "
+            f"{'/'.join(path)}; deleting it would shift the subgraph's remaining widget values onto the wrong "
+            "inputs — delete-node refuses that; remove the promotion in the editor first"
+        )
+    return {
+        "path": [str(seg) for seg in path],
+        "definition": definition,
+        "target": target,
+    }
+
+
 def _definition_instance_count(workflow: dict, def_id: str) -> int:
     """How many live instances of definition ``def_id`` the workflow holds.
 
@@ -2300,6 +2391,24 @@ def _delete_node_impl(
     actor: str = "cli",
     base_version: int = 0,
 ) -> tuple[dict, dict]:
+    interior = _interior_delete_scope(workflow, node_id)
+    if interior is not None:
+        target_id = interior["target"]["id"]
+        removed = [
+            _interior_link_id(link)
+            for link in interior["definition"].get("links") or []
+            if str(_interior_link_endpoints(link)[0]) == str(target_id)
+            or str(_interior_link_endpoints(link)[1]) == str(target_id)
+        ]
+        op = _new_op(
+            "delete_node",
+            actor,
+            base_version,
+            path=interior["path"],
+            node_id=target_id,
+            removed_links=removed,
+        )
+        return apply_op(workflow, op, graph), op
     _require(workflow, node_id)
     removed = [ln[0] for ln in workflow.get("links") or [] if ln[1] == node_id or ln[3] == node_id]
     op = _new_op("delete_node", actor, base_version, node_id=node_id, removed_links=removed)
@@ -3056,7 +3165,12 @@ def _apply_set_widget(workflow: dict, op: dict, graph) -> bool | None:
         # Validate against the current definition before the mutating resolver
         # forks shared ancestors. Imported/replayed malformed ops must be
         # atomic: a rejected widget cannot leave an unreachable fork behind.
-        preflight = _navigate_subgraph_path(workflow, [str(s) for s in path])
+        try:
+            preflight = _navigate_subgraph_path(workflow, [str(s) for s in path])
+        except ValueError:
+            if _interior_path_deleted(workflow, [str(s) for s in path]):
+                return  # interior node concurrently deleted => no-op (delete wins)
+            raise
         preflight_warnings = _engine._write_widget(
             copy.deepcopy(preflight), op["inner_widget"], op["value"], graph, extend=False
         )
@@ -3557,6 +3671,9 @@ def _apply_interior_disconnect(workflow: dict, op: dict) -> None:
 
 
 def _apply_delete_node(workflow: dict, op: dict) -> None:
+    if op.get("path"):
+        _apply_interior_delete_node(workflow, op)
+        return
     node_id = str(op["node_id"])  # node identity is compared as a string (amendment v1.2)
     workflow["nodes"] = [n for n in workflow.get("nodes") or [] if str(n.get("id")) != node_id]
     removed = set(op.get("removed_links") or [])
@@ -3583,6 +3700,54 @@ def _apply_delete_node(workflow: dict, op: dict) -> None:
             workflow.pop("_pending_dynamic_connects", None)
 
 
+def _apply_interior_delete_node(workflow: dict, op: dict) -> None:
+    """Apply a path-scoped delete inside one single-instance definition."""
+    from comfy_cli.cql import engine as _engine
+
+    try:
+        host = _navigate_subgraph_path(workflow, [str(seg) for seg in op["path"]])
+    except ValueError:
+        return
+    definition = _engine._subgraph_defs_by_id(workflow).get(str(host.get("type", "")))
+    if definition is None or _definition_instance_count(workflow, str(host.get("type", ""))) > 1:
+        return
+    node_id = str(op["node_id"])
+    definition["nodes"] = [
+        node
+        for node in definition.get("nodes") or []
+        if not (isinstance(node, dict) and str(node.get("id")) == node_id)
+    ]
+    removed = {str(link_id) for link_id in op.get("removed_links") or []}
+    kept = []
+    for link in definition.get("links") or []:
+        origin_id, target_id, _ = _interior_link_endpoints(link)
+        if str(_interior_link_id(link)) in removed or str(origin_id) == node_id or str(target_id) == node_id:
+            removed.add(str(_interior_link_id(link)))
+            continue
+        kept.append(link)
+    definition["links"] = kept
+    kept_ids = {str(_interior_link_id(link)) for link in kept}
+    # Links from the input proxy / into the output proxy are also listed on the
+    # definition's boundary slots; a stale id there leaves the slot "connected"
+    # to a link that no longer exists.
+    for boundary in [*(definition.get("inputs") or []), *(definition.get("outputs") or [])]:
+        if isinstance(boundary, dict) and isinstance(boundary.get("linkIds"), list):
+            boundary["linkIds"] = [link_id for link_id in boundary["linkIds"] if str(link_id) not in removed]
+    for node in definition.get("nodes") or []:
+        if not isinstance(node, dict):
+            continue
+        for inp in node.get("inputs") or []:
+            if isinstance(inp, dict) and inp.get("link") is not None and str(inp["link"]) not in kept_ids:
+                inp["link"] = None
+        for out in node.get("outputs") or []:
+            if isinstance(out, dict) and isinstance(out.get("links"), list):
+                out["links"] = [link_id for link_id in out["links"] if str(link_id) in kept_ids]
+    if isinstance(definition.get("node_order"), list):
+        definition["node_order"] = [value for value in definition["node_order"] if str(value) != node_id]
+    if isinstance(definition.get("link_order"), list):
+        definition["link_order"] = [value for value in definition["link_order"] if str(value) in kept_ids]
+
+
 def _apply_clear(workflow: dict, op: dict) -> None:
     workflow["nodes"] = []
     workflow["links"] = []
@@ -3649,6 +3814,8 @@ def _write_target(op: dict) -> tuple:
         # neither collides with a same-named widget's register.
         return ("node_field", str(op["node_id"]), op["field"])
     if kind in ("add_node", "delete_node"):
+        if op.get("path"):
+            return ("node", tuple(str(s) for s in op["path"]), str(op["node_id"]))
         return ("node", str(op["node_id"]))
     if kind in ("connect", "disconnect"):
         grow = op.get("grow")
diff --git a/docs/op-vocabulary-v1.md b/docs/op-vocabulary-v1.md
index 776be39ec..cad1cbaaf 100644
--- a/docs/op-vocabulary-v1.md
+++ b/docs/op-vocabulary-v1.md
@@ -181,9 +181,19 @@ Spec form:
 ```
 
 Minted op fields: `node_id`, `removed_links` (ids of every link incident to the
-node at mint time). Replay removes the node, drops incident links (both the
-recorded ones and any link whose endpoint is the node), and scrubs dangling
-input/output references.
+node at mint time). An interior address such as `70/22` additionally carries
+the owner-instance `path` (`["70"]`); it is refused when the definition is
+shared by multiple live instances, or when the node is the source of a
+promoted widget (its host value would shift onto the wrong input). Replay
+removes the node, drops incident links (both the recorded ones and any link
+whose endpoint is the node), and scrubs dangling input/output references in
+that same graph scope — for an interior delete, including the definition's
+boundary `inputs[].linkIds` and `outputs[].linkIds`.
+
+An interior delete reuses the `delete_node` kind, so a consumer that predates
+`path` cannot reject it. comfy-multi-player 0.3.11 and earlier ignore `path`,
+remove the top-level node with the same id, and report the op `applied`. Send
+interior deletes only to a doc host on comfy-multi-player 0.3.12 or later.
 
 * Idempotency: `op_id` no-op; replaying a delete of an already-absent node is a
   no-op.
@@ -556,8 +566,14 @@ Current contract, pinned:
   a promoted-widget target is still rejected with "promoted widget (a value),
   not a link input". Both operations refuse a shared definition rather than
   silently rewiring every instance that uses it.
-* **`add_node` and `delete_node` cannot address interior nodes** at all; an
-  interior id fails as node-not-found against the top-level inventory.
+* **`delete_node` permits an interior node in one supported, single-instance
+  definition.** Its op carries the owner-instance `path`; its node-presence
+  identity is scoped by that path, and replay removes incident definition
+  links plus their endpoint references. It refuses a shared definition rather
+  than deleting from every instance, and refuses a node that backs a promoted
+  widget. A later interior `set_widget` on the deleted node is a no-op (delete
+  wins). `add_node` still cannot address an interior location from the CLI
+  authoring surface.
 * An interior **widget** write to a shared definition forks the definition at
   apply time (`engine._isolate_shared_subgraph`): the definition is deep-copied
   under `"sg-" + sha256(def_id + "\x00" + instance_id)[:32]` — deterministic,
diff --git a/tests/comfy_cli/command/test_connect_interior.py b/tests/comfy_cli/command/test_connect_interior.py
index 5395029d6..6b07a6618 100644
--- a/tests/comfy_cli/command/test_connect_interior.py
+++ b/tests/comfy_cli/command/test_connect_interior.py
@@ -193,6 +193,122 @@ def test_interior_disconnect_op_replays_to_the_same_document():
     assert workflow_ops._write_target(op) == ("input", ("70",), "2011", 1)
 
 
+def test_delete_interior_node_removes_it_and_its_definition_links(tmp_path, capsys):
+    import json
+
+    base = _workflow()
+    base["definitions"]["subgraphs"][0]["links"].append(
+        {"id": 9002, "origin_id": 2012, "origin_slot": 1, "target_id": 2011, "target_slot": 0, "type": "CLIP"}
+    )
+    _node(base, 2012)["outputs"][1]["links"] = [9002]
+    _node(base, 2011)["inputs"][0]["link"] = 9002
+    path = _write(tmp_path, base)
+
+    env = _run(["delete-node", str(path), "70/2012"], capsys)
+
+    assert env["ok"] is True, env
+    op = env["data"]["op"]
+    assert op["path"] == ["70"]
+    assert op["node_id"] == 2012
+    assert op["removed_links"] == [9002]
+    result = json.loads(path.read_text())
+    assert [node["id"] for node in _sg(result)["nodes"]] == [2005, 2011]
+    assert [link["id"] for link in _sg(result)["links"]] == [9001]
+    assert _node(result, 2011)["inputs"][0]["link"] is None
+    assert result["nodes"][0]["id"] == 70
+
+
+def test_delete_interior_node_scrubs_its_links_from_the_boundary_slots(tmp_path, capsys):
+    import json
+
+    base = _workflow()
+    sg = _sg(base)
+    sg["inputs"] = [{"id": "in-clip", "name": "clip", "type": "CLIP", "linkIds": [9101, 9103]}]
+    sg["outputs"] = [{"id": "out-cond", "name": "CONDITIONING", "type": "CONDITIONING", "linkIds": [9102]}]
+    sg["links"] += [
+        {"id": 9101, "origin_id": -10, "origin_slot": 0, "target_id": 2011, "target_slot": 0, "type": "CLIP"},
+        {"id": 9102, "origin_id": 2011, "origin_slot": 0, "target_id": -20, "target_slot": 0, "type": "CONDITIONING"},
+        # The same boundary input also feeds a surviving node; that id must stay.
+        {"id": 9103, "origin_id": -10, "origin_slot": 0, "target_id": 2005, "target_slot": 0, "type": "CLIP"},
+    ]
+    _node(base, 2011)["inputs"][0]["link"] = 9101
+    _node(base, 2011)["outputs"][0]["links"] = [9102]
+    _node(base, 2005)["inputs"][0]["link"] = 9103
+    path = _write(tmp_path, base)
+
+    env = _run(["delete-node", str(path), "70/2011"], capsys)
+
+    assert env["ok"] is True, env
+    result = _sg(json.loads(path.read_text()))
+    assert result["inputs"][0]["linkIds"] == [9103]
+    assert result["outputs"][0]["linkIds"] == []
+    assert [link["id"] for link in result["links"]] == [9103]
+    replayed = workflow_ops.apply_op(copy.deepcopy(base), env["data"]["op"], _graph())
+    assert _sg(replayed)["inputs"] == result["inputs"]
+    assert _sg(replayed)["outputs"] == result["outputs"]
+
+
+def test_delete_interior_node_refuses_a_promoted_widget_source_without_writing(tmp_path, capsys):
+    base = _workflow()
+    sg = _sg(base)
+    sg["inputs"] = [{"id": "in-text", "name": "prompt", "type": "STRING", "linkIds": [9101]}]
+    sg["links"].append(
+        {"id": 9101, "origin_id": -10, "origin_slot": 0, "target_id": 2011, "target_slot": 1, "type": "STRING"}
+    )
+    _node(base, 2011)["inputs"][1]["link"] = 9101
+    legacy = copy.deepcopy(_workflow())
+    legacy["nodes"][0]["properties"] = {"proxyWidgets": [["2012", "ckpt_name"]]}
+
+    for workflow, target in ((base, "70/2011"), (legacy, "70/2012")):
+        path = _write(tmp_path, workflow)
+        before = path.read_bytes()
+
+        env = _run(["delete-node", str(path), target], capsys)
+
+        assert env["ok"] is False, env
+        assert "backs the promoted widget" in env["error"]["message"]
+        assert path.read_bytes() == before
+
+
+def test_interior_set_widget_after_interior_delete_is_a_no_op_in_either_order():
+    base = _workflow()
+    graph = _graph()
+    _, delete = workflow_ops.delete_node(copy.deepcopy(base), graph, "70/2012", actor="a", base_version=1)
+    _, write = workflow_ops.set_widget(copy.deepcopy(base), graph, "70/2012", "ckpt_name", "b.safetensors", actor="b")
+
+    results = []
+    for ops in ((delete, write), (write, delete)):
+        doc = copy.deepcopy(base)
+        for op in ops:
+            workflow_ops.apply_op(doc, copy.deepcopy(op), graph)
+        results.append(doc["definitions"])
+
+    assert results[0] == results[1]
+    assert [node["id"] for node in _sg({"definitions": results[0]})["nodes"]] == [2005, 2011]
+
+
+def test_interior_delete_op_replays_to_the_same_document():
+    base = _workflow()
+    graph = _graph()
+    out, op = workflow_ops.delete_node(copy.deepcopy(base), graph, "70/2012", actor="agent", base_version=4)
+
+    replayed = workflow_ops.apply_op(copy.deepcopy(base), copy.deepcopy(op), graph)
+
+    assert replayed["definitions"] == out["definitions"]
+    assert workflow_ops._write_target(op) == ("node", ("70",), "2012")
+
+
+def test_delete_interior_node_refuses_a_shared_definition_without_writing(tmp_path, capsys):
+    path = _write(tmp_path, _workflow(instances=2))
+    before = path.read_bytes()
+
+    env = _run(["delete-node", str(path), "70/2012"], capsys)
+
+    assert env["ok"] is False
+    assert "shares its definition" in env["error"]["message"]
+    assert path.read_bytes() == before
+
+
 def test_interior_grown_reconnect_and_disconnect_share_path_register():
     base = _workflow()
     _node(base, 2011)["inputs"][1]["grow_id"] = 7001