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Export As Fcp Xml

export_as_fcp_xml

Exports the active Premiere sequence to Final Cut Pro XML and detects translation-report modals that block queued commands.

Instructions

Export the active sequence as a Final Cut Pro XML file. Sequences with effects FCP XML cannot represent can make Premiere show a Translation Report modal after writing the XML; dismiss it in Premiere before any queued command can run. Detects the written XML and fresh report if the modal blocks the host. Default wait is 60 minutes for long sequences.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "output_path": "<output_path>"
    },
    "name": "export_as_fcp_xml"
  }
}

Input Schema

NameRequiredDescriptionDefault
output_pathYesFull output file path (e.g., '/Users/me/export.xml')
idempotency_keyNoOptional client-chosen key (1-128 chars of A-Z a-z 0-9 . _ : -) for this intended edit. Pass a fresh key per edit and reuse it only when retrying that same edit, for example after a client-side timeout. A repeat with the same tool, key and arguments is not run again: while the first call is running it fails with IDEMPOTENCY_IN_PROGRESS (poll get_last_operations); after it finished it returns the original outcome marked replayed. A definite failure with nothing applied (receipt outcome not_applied) may be retried with the same key. Reusing a key with different arguments fails with IDEMPOTENCY_KEY_REUSED. Scoped to this MCP session (the stdio server process, or the HTTP server process when Streamable HTTP is stateless per request) and held in memory only (200 keys, 1 hour); it does not survive a restart or reconnect. Read-only invocations are never deduplicated.
timeout_minutesNoMaximum wait for the host (default: 60 minutes for long sequences).
expected_cep_targetNoOptional reviewed CEP sequence/clip identity and exact tick ranges. Checked before every generated command; UXP refuses this CEP-only guard.
expected_project_pathNoOptional 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

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.
receiptNoVersioned common mutation receipt; success never implies rendered verification.
idempotencyNoPresent 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.

  1. First observedv1.30.0

TDQS

A3.8/5.0
Behavior4/5

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

Annotations only tell the agent this is a non-readonly, non-destructive, non-idempotent write. The description adds real behavior beyond that: a Premiere Translation Report modal can appear after writing, it blocks the host and any queued command, and the tool detects the written XML plus a fresh report when blocked. It stops short of stating overwrite semantics for an existing output_path or whether the call is asynchronous.

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 purpose is front-loaded in the first sentence and the remaining sentences carry operational hazard information rather than filler. The line "Detects the written XML and fresh report if the modal blocks the host" is terse to the point of being slightly opaque, but nothing is wasted.

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?

For a tool with five parameters including nested CEP guards and an output schema, the description covers the key hazard and the wait behavior. It leaves gaps an agent would want: whether an existing file is overwritten, whether the export is queued (and thus requires get_export_job_status polling), and any prerequisites on the active sequence.

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?

With 100% schema description coverage, the schema already documents output_path, timeout_minutes, idempotency_key and the CEP guard objects in detail. The description reinforces only the timeout default (60 minutes), adding no syntax, constraints or interaction detail beyond what the schema states, so baseline 3 applies.

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?

Opens with a specific verb, resource and target: "Export the active sequence as a Final Cut Pro XML file." The format is named explicitly, so an agent can distinguish it from siblings like export_sequence_edl, export_aaf or import_fcp_xml without opening any schema.

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?

Usage is implied by the modal caveat and the "Default wait is 60 minutes for long sequences" note, which tells the agent this is suited to long exports. However, it never says when to prefer this over export_as_project, export_sequence_edl or the export_job/status siblings, nor whether the sequence must be active.

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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