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Create Sequence From Preset

create_sequence_from_preset

Create a new Premiere Pro sequence from a specified .sqpreset file and confirm creation by checking for a new sequence ID in the project.

Instructions

EXPERIMENTAL (undocumented QE DOM): create a new sequence from a specific preset file (.sqpreset) using qe.project.newSequence. Reports success only after a new sequence ID appears in the project collection; a same-name sequence that was already active is not treated as created.

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": {
      "name": "<name>",
      "preset_path": "<preset_path>"
    },
    "name": "create_sequence_from_preset"
  }
}

Input Schema

NameRequiredDescriptionDefault
nameYesName for the new sequence
preset_pathYesFull path to the .sqpreset file
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.
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

A3.7/5.0
Behavior5/5

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

Beyond the annotations (which only declare non-read-only, non-destructive, non-idempotent, closed-world), the description discloses that this rides an undocumented QE DOM API and defines the exact success criterion: a new sequence ID must appear in the project collection. It also flags a real edge case where a pre-existing same-name active sequence is not counted as created, which is exactly the kind of information that prevents false success reporting.

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 dense sentences with zero filler; the experimental warning is front-loaded and the success-verification semantics follow immediately. Every clause carries information the agent cannot get from the schema or annotations.

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 mutation tool with five parameters, nested guard objects and an output schema, the description covers mechanism, risk level and success detection adequately; return-value detail is rightly delegated to the output schema. It could be slightly more complete by saying whether the newly created sequence becomes the active sequence and by routing to alternatives.

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 schema already documents 'name', 'preset_path', 'idempotency_key' and the expected_cep_target guard in detail. The description only reinforces the .sqpreset file format and adds nothing about idempotency or the guard parameter. Baseline 3 is appropriate.

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 and resource ('create a new sequence') plus the distinguishing input ('from a specific preset file (.sqpreset)'), which implicitly separates it from create_sequence and create_sequence_from_clips. It also names the underlying API call (qe.project.newSequence). No sibling is named explicitly, so it stops short of a 5.

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?

There is no explicit when-to-use or when-not-to-use guidance, and no alternative is named even though create_sequence and create_sequence_from_clips exist as obvious candidates. The 'EXPERIMENTAL (undocumented QE DOM)' tag signals caution but does not tell the agent which tool to pick.

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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