Premiere Pro MCP Server

Map Word Timeline Occurrences

map_word_timeline_occurrences

Read-onlyIdempotent

Maps transcript words bound to a transcript revision to every forward source placement on the timeline, returning occurrence IDs and exact snapshot ticks.

Instructions

Map revision-bound transcript words to every forward1x source placement, with occurrence IDs and exact snapshot placement ticks. Refuses missing pages, nonlinear retiming, reverse and ambiguous nests.

Input Schema

Name	Required	Description
`snapshot`	Yes	Version 1 canonical snapshot from inspect_timeline_snapshot or an equivalent verified adapter; exact tick strings, host identities, completeness, tracks/clips and SHA256 revision are validated before use.
`word_timeline`	Yes	Caller-supplied word-timed transcript for one Premiere source item. Words must be ordered by start time and bound to the transcript revision returned by get_clip_transcript_uxp. Different labeled speakers may overlap; same-speaker words may not, even when another speaker is between them.
`expected_cep_target`	No	Optional reviewed CEP sequence/clip identity and exact tick ranges. Checked before every generated command; UXP refuses this CEP-only guard.
`expected_project_path`	No	Optional absolute saved-project path. Every generated CEP command refuses before its body when the active project differs or is unsaved. UXP commands refuse this CEP-only guard; local-only tools do not inspect Premiere. Omit to keep existing behavior.

Output Schema

Name	Required	Description
`ok`	Yes	Whether the tool completed successfully.
`data`	No	Tool-specific result data when ok is true; on failure, diagnostic detail when the tool provides it.
`tool`	Yes	The registered MCP tool name.
`error`	No	Failure detail when ok is false.
`receipt`	No	Versioned common mutation receipt; success never implies rendered verification.
`idempotency`	No	Present when idempotency_key deduplicated this call: replayed is true when the original outcome was returned instead of running again.

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedv1.25.0Oct 24, 2026

addedOutput schema / properties / idempotency

Added value: +{
+  "additionalProperties": true,
+  "description": "Present when idempotency_key deduplicated this call: replayed is true when the original outcome was returned instead of running again.",
+  "type": "object"
+}

Addedv1.24.0Oct 12, 2026

TDQS

A4.2/5.0

Behavior4/5

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

Annotations already declare read-only, idempotent, non-destructive behavior, and the description adds useful behavioral context: occurrence IDs, exact snapshot placement ticks, and specific refusal conditions. It does not cover every operational detail, but it meaningfully supplements the 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?

The description is two sentences, front-loaded with the core operation and followed by refusal conditions. There is no redundant or wasted phrasing.

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?

The tool is complex, with nested parameters and optional guard fields, but the schema is richly documented and an output schema exists. The description covers the core mapping behavior and failure modes; the remaining operational details are handled adequately by the schema and annotations.

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 input schema already documents all four parameters in detail. The description reinforces that words are revision-bound and placements are snapshot-derived, but adds little parameter-level meaning beyond what the schema 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?

The description gives a specific verb and resource: it maps revision-bound transcript words to forward1x source placements and returns occurrence IDs and exact placement ticks. That is more than a restatement of the name and clearly distinguishes this word-level mapping operation from range- or time-domain mapping siblings.

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?

It states clear exclusion conditions: missing pages, nonlinear retiming, reverse nests, and ambiguous nests are refused. It does not name an alternative sibling to use instead, but the allowed context is sufficiently clear for an agent to know when this tool is appropriate.

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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