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leancoderkavy

Premiere Pro MCP Server

Remove Keyframe

remove_keyframe
Destructive

Delete a keyframe from an effect property at a specified time, enabling precise control over animation curves and keyframe cleanup.

Instructions

Remove a keyframe at a specific time from an effect property

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
node_idYesNode ID of the clip
effect_nameYesDisplay name of the effect
time_secondsYesTime in seconds of the keyframe to remove
property_nameYesDisplay name of the property

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

B3.1/5.0
Behavior2/5

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

Annotations already declare destructiveHint=true and readOnlyHint=false, and the description's 'Remove' is consistent with them (no contradiction). However, the description adds no behavioral context beyond the annotations: it does not disclose what happens if no keyframe exists at the exact time_seconds, whether matching is exact or nearest, or what the property becomes after removal (e.g., falls back to a static value).

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?

A single 12-word sentence front-loads the action verb and names the target resource with zero filler. It does not repeat schema content or annotation flags, and every word earns its place.

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

Completeness3/5

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

The schema fully documents all parameters, an output schema exists, and annotations cover the destructive safety profile, so much of the burden is already carried. What's missing is differentiation from remove_keyframe_range and disclosure of time-matching edge cases, which are meaningful gaps for a destructive pointer-based operation, though the overall coverage is adequate for a minimally viable definition.

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 all four parameters (node_id, effect_name, property_name, time_seconds) are already documented in the input schema. The description's phrase 'at a specific time' merely echoes the schema's time_seconds description and adds no new parameter-level meaning, so the baseline 3 applies.

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 ('Remove') and a precise resource ('a keyframe at a specific time from an effect property'). The 'at a specific time' qualifier implicitly distinguishes this from the sibling remove_keyframe_range, which operates over a range, but it never names that sibling or the difference explicitly, so it stops short of full differentiation.

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?

The description gives no guidance on when to use this tool versus its closest siblings remove_keyframe_range, add_keyframe, or set_keyframe_interpolation. There are no prerequisites, exclusions, or alternative routing instructions; usage context is only weakly implied by the operation name itself.

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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