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leancoderkavy

Premiere Pro MCP Server

Slide Edit

slide_edit

Move a clip along the timeline by a specified offset in seconds, using neighboring clips to verify the edit stays valid.

Instructions

Perform a verified slide edit on a clip using adjacent clips from the public timeline DOM.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
node_idYesNode ID of the clip
offset_secondsYesOffset in seconds (positive = slide right, negative = slide left)

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
okYesWhether the tool completed successfully.
dataNoTool-specific result data when ok is true.
toolYesThe registered MCP tool name.
errorNoFailure detail when ok is false.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changedv1.14.4
    • changedInput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "$schema": "https://json-schema.org/draft/2020-12/schema",
      +  "additionalProperties": false,
      +  "properties": {
      +    "data": {
      +      "description": "Tool-specific result data when ok is true."
      +    },
      +    "error": {
      +      "description": "Failure detail when ok is false.",
      +      "type": "string"
      +    },
      +    "ok": {
      +      "description": "Whether the tool completed successfully.",
      +      "type": "boolean"
      +    },
      +    "tool": {
      +      "description": "The registered MCP tool name.",
      +      "minLength": 1,
      +      "type": "string"
      +    }
      +  },
      +  "required": [
      +    "ok",
      +    "tool"
      +  ],
      +  "type": "object"
      +}
  2. Changed1 schema field changedv1.4.0
    • removedInput schema / additionalProperties
      Removed value: -false
  3. Addedv1.1.5
  4. Removedv1.1.5
  5. First observedv1.1.1

TDQS

C2.9/5.0
Behavior2/5

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

Annotations already indicate this is a mutating, non-idempotent operation, but the description adds little beyond that. It does not clarify what 'verified' means, whether adjacent clips are modified, whether the change is destructive to source clips, or whether the operation relies on any hidden state in the 'public timeline DOM.' These are meaningful behavioral gaps for a tool that edits the timeline.

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

Conciseness4/5

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

The description is a single, compact sentence with the main action front-loaded. However, the phrases 'verified slide edit' and 'public timeline DOM' introduce jargon that is not explained, slightly reducing clarity despite the concise structure.

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

Completeness2/5

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

Although the tool has an output schema and only two parameters, the description is not fully complete for reliable invocation. It leaves key terms ('verified', 'public timeline DOM') undefined, does not explain what happens to adjacent clips, and offers no route to alternative tools when this operation is not appropriate. An agent would need external domain knowledge to use it confidently.

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

Parameters3/5

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

Schema description coverage is 100%, so the two parameters are already documented in the input schema. The description adds no extra parameter meaning, but since the schema already explains node_id and offset_seconds with positive/negative direction semantics, a baseline score of 3 is appropriate.

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

Purpose4/5

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

The description states a specific verb ('Perform') and a specific editing operation ('verified slide edit') on a clip. It also hints at the mechanism ('using adjacent clips'), which helps distinguish slide editing from related trim operations like roll or slip edits, though it does not explicitly name those alternatives.

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

Usage Guidelines2/5

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

There is no guidance on when to choose this tool over sibling tools such as slip_edit, roll_edit, or move_clip. The phrase 'slide edit' implies a known editing concept, but the description does not explain the conditions or context in which this tool is the right choice.

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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