cuttingfloor

Batch edit

edit.batch

Idempotent

Apply many edits as one change: one new timeline_id, one preview. All apply or none do. Use {"$ref":"ops[N].clip_id"} (or track_id, clip_ids[M]) to use an id an earlier op made. Returns the edit result plus results: [{tool, clip_id?, clip_ids?, track_id?}] per op.

Input Schema

Name	Required	Description	Default
`ops`	Yes	Edits applied in order as one change. An arg may be {"$ref":"ops[2].clip_id"} to use an id made by an earlier op
`preview`	No	inline: image in the result; link: URI that renders on read; none	link
`timeline_id`	Yes	Timeline handle; every edit returns a new one

Output Schema

Name	Required	Description
`parent`	Yes	Timeline handle; every edit returns a new one
`changed`	Yes
`clip_id`	No
`preview`	Yes
`results`	Yes
`clip_ids`	No
`track_id`	No
`warnings`	Yes
`placements`	No	Where each clip the edit moved, cropped, masked or animated shows, sequence pixels
`timeline_id`	Yes	Timeline handle; every edit returns a new one

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedNov 1, 2026

addedOutput schema / properties / placements

Added value: +{
+  "description": "Where each clip the edit moved, cropped, masked or animated shows, sequence pixels",
+  "items": {
+    "properties": {
+      "clip_id": {
+        "type": "string"
+      },
+      "complete": {
+        "description": "true: values move in straight lines between entries; false: evenly sampled",
+        "type": "boolean"
+      },
+      "frames": {
+        "items": {
+          "properties": {
+            "frame": {
+              "description": "From the clip start",
+              "type": "number"
+            },
+            "opacity": {
+              "type": "number"
+            },
+            "picture": {
+              "description": "The whole picture, before crop and mask and rotation",
+              "properties": {
+                "h": {
+                  "type": "number"
+                },
+                "w": {
+                  "type": "number"
+                },
+                "x": {
+                  "type": "number"
+                },
+                "y": {
+                  "type": "number"
+                }
+              },
+              "required": [
+                "x",
+                "y",
+                "w",
+                "h"
+              ],
+              "type": "object"
+            },
+            "rotation": {
+              "type": "number"
+            },
+            "source": {
+              "anyOf": [
+                {
+                  "properties": {
+                    "h": {
+                      "type": "number"
+                    },
+                    "w": {
+                      "type": "number"
+                    },
+                    "x": {
+                      "type": "number"
+                    },
+                    "y": {
+                      "type": "number"
+                    }
+                  },
+                  "required": [
+                    "x",
+                    "y",
+                    "w",
+                    "h"
+                  ],
+                  "type": "object"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "description": "The part of the source that shows, source pixels"
+            },
+            "visible": {
+              "anyOf": [
+                {
+                  "properties": {
+                    "h": {
+                      "type": "number"
+                    },
+                    "w": {
+                      "type": "number"
+                    },
+                    "x": {
+                      "type": "number"
+                    },
+                    "y": {
+                      "type": "number"
+                    }
+                  },
+                  "required": [
+                    "x",
+                    "y",
+                    "w",
+                    "h"
+                  ],
+                  "type": "object"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "description": "What it shows: crop and mask applied, rotated, inside the frame; null: nothing"
+            }
+          },
+          "required": [
+            "frame",
+            "picture",
+            "rotation",
+            "opacity",
+            "visible",
+            "source"
+          ],
+          "type": "object"
+        },
+        "type": "array"
+      }
+    },
+    "required": [
+      "clip_id",
+      "frames",
+      "complete"
+    ],
+    "type": "object"
+  },
+  "type": "array"
+}

First observedOct 25, 2026

TDQS

A4.4/5.0

Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations declare non-read-only, idempotent, non-destructive, but the description adds the key behavioral fact they do not: transactional semantics ('all apply or none do') and that each call yields one new timeline_id plus one preview. It also discloses the return envelope (results per op), going beyond the annotation set.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three dense sentences, front-loaded with the core contract (atomic batch, one timeline_id, one preview) before the $ref mechanics and return shape. No filler or restatement of the name/title.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers atomicity, cross-op referencing, and return shape; an output schema exists so return value detail is not required. Minor gap: no mention of the 200-op cap or ordering-failure diagnostics, though the schema carries maxItems and minItems.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so baseline is 3, but the description earns extra credit by generalizing the $ref mechanism beyond the schema's single example: it shows forms for clip_id, track_id, and clip_ids[M], clarifying that any arg may reference an earlier op's created id.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('Apply many edits as one change') and immediately names the distinguishing property: a single new timeline_id, a single preview, and all-or-nothing atomicity. An agent can tell this apart from the ~40 single-operation siblings without opening a schema.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The atomicity framing ('All apply or none do') implicitly tells the agent when to reach for this instead of chaining individual sibling tools, and the $ref note points to ordered multi-op workflows. It stops short of explicitly naming alternatives or stating when not to batch.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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