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Premiere Pro MCP Server

by leancoderkavy
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Hybrid

Adjust Audio Levels

adjust_audio_levels

Set a Premiere Pro clip's Volume level in dB to make audio quieter or louder without altering Essential Sound Amplify automation.

Instructions

Adjust a clip's Volume > Level in dB. Does not read or change Essential Sound Amplify automation.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
node_idYesNode ID of the audio or video clip
level_dbYesAudio level in dB (0 = unity, negative = quieter, positive = louder)

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
okYesWhether the tool completed successfully.
dataNoTool-specific result data when ok is true; on failure, diagnostic detail when the tool provides it.
toolYesThe registered MCP tool name.
errorNoFailure detail when ok is false.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changedv1.18.6
    • addedInput schema / additionalProperties
      Added value: +false
    • changedOutput schema / properties / data / description
      Previous value: -"Tool-specific result data when ok is true."New value: +"Tool-specific result data when ok is true; on failure, diagnostic detail when the tool provides it."
  2. 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"
+}
  3. Changed1 schema field changedv1.4.0
    • removedInput schema / additionalProperties
      Removed value: -false
  4. First observedv1.1.1

TDQS

B3.4/5.0
Behavior3/5

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

Annotations already declare a non-destructive, non-idempotent write operation (readOnlyHint=false, destructiveHint=false, idempotentHint=false). The description adds a useful behavioral boundary—it does not read or change Essential Sound Amplify automation—but says nothing about reversibility or exactly which clip properties are affected.

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?

Two short sentences, front-loaded with the action and scope exclusion. Every sentence earns its place; there is no filler.

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 two-parameter mutation with rich annotations and an output schema, the description states the action and an important exclusion (Essential Sound Amplify automation). Its only notable gap is failing to differentiate itself from sibling volume tools.

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%, and the schema already explains that level_db uses dB with 0 as unity and negative/positive semantics. The description repeats 'in dB' but adds no further parameter meaning, so 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?

Names a specific verb (Adjust) and resource (a clip's Volume > Level in dB), making the operation clear. However, it does not distinguish this tool from sibling set_clip_volume or set_clips_volume, which likely perform a similar level change on a clip or clips.

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 when-to-use guidance or alternatives. Its only limitation statement ('Does not read or change Essential Sound Amplify automation') is a scope exclusion, not routing advice, so an agent cannot tell when to choose adjust_audio_levels over set_clip_volume.

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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