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Premiere Pro MCP Server

Set Clip Position

set_clip_position

Reposition a video clip in Premiere Pro by setting its Motion effect Position property to X and Y pixel coordinates.

Instructions

Set the Position property on a video clip's Motion effect. Values are in pixels.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
xYesX position in pixels
yYesY position in pixels
node_idYesNode ID of the clip

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. First observedv1.1.1

TDQS

A3.8/5.0
Behavior3/5

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

The description is consistent with readOnlyHint=false and conveys that this is an absolute set of x/y values. However, it does not add behavioral context beyond the annotations, such as whether the position is overwritten or offset, whether the operation is reversible, or what coordinate origin is used. No contradiction with annotations.

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?

One focused sentence with no filler. The operation, target property, and units are presented directly and front-loaded, making the definition easy to scan.

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?

For a simple three-parameter setter with full schema coverage and an output schema present, this description covers the essentials. The only notable gap is the coordinate space or origin semantics for x/y, which could be relevant for precise positioning but is not stated.

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%: x and y are already described as pixel positions and node_id as the clip's node ID. The description only restates the pixel unit and adds no meaning beyond what the input schema already provides.

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 operation ('Set the Position property'), the target resource ('a video clip's Motion effect'), and the unit ('pixels'). This clearly distinguishes it from sibling setters like set_clip_scale, set_clip_rotation, and set_clip_anchor_point.

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

Usage Guidelines3/5

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

The description implies the intended use—repositioning a clip via its Motion effect—but provides no explicit when/when-not guidance or alternatives. It does not mention prerequisites such as the clip needing to have a Motion effect, or what to do if a different transform property is the target.

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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