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List voice blocks

list_voice_blocks
Read-onlyIdempotent

List the project's voice blocks (per-speaker narration chunks) with their audio status and assigned voices. A block's scene_direction is the script's [SCENE: ...] direction governing it (never spoken; null when the span carries none). Word-level subtitle timings are stripped unless include_subtitle_data=True.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
project_idYesProject ID, as returned by create_project or list_projects
include_subtitle_dataNoInclude each block's word-level subtitle timings — bulky and rarely needed; omitted by default (subtitle_data reports "omitted" when present but stripped)

TDQS

A4.3/5.0
Behavior5/5

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

The description goes well beyond the annotations by explaining the semantics of scene_direction (never spoken, null when absent) and by disclosing that subtitle timings are stripped by default unless include_subtitle_data=True. These are non-obvious behaviors an agent needs to interpret results correctly.

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 compact and every sentence earns its place: purpose, field clarification, and default behavior. It is front-loaded with the core action and keeps supporting details brief.

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

Completeness5/5

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

For a simple read-only list tool, the description covers what is returned (audio status, assigned voices), clarifies a key field's semantics, and explains the optional parameter's effect. With annotations already covering safety and idempotence, nothing essential is missing.

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 both parameters are already well documented. The description reinforces the include_subtitle_data behavior but adds no meaningfully new parameter information beyond the schema.

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 states a specific verb and resource: 'List the project's voice blocks', and clarifies exactly what a voice block is ('per-speaker narration chunks'). It also differentiates the resource from sibling tools by focusing on voice blocks rather than scenes, segments, or assets.

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?

The description implies usage: an agent should use this when it needs voice blocks with audio status and assigned voices. However, it does not explicitly discuss alternatives such as update_voice_block or rescan_voice_blocks, nor does it state when not to use this tool.

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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TDQS

A3.6/5.0
Disambiguation3/5

Several tool families overlap in purpose, such as await_jobs/get_workflow_status/get_pipeline_progress, update_segment_content/update_segment_prompts, director_note/project_director_note, and scan_script/rescan_voice_blocks. The descriptions do a good job distinguishing them, but an agent must read carefully to avoid misselection, and there are more than a couple of confusable pairs.

Naming Consistency4/5

The set overwhelmingly follows a verb_noun snake_case convention with clear prefixes like get_, list_, set_, update_, create_, and delete_. Minor exceptions such as director_note, project_director_note, browse_audio_library, and whoami keep it from being perfectly consistent.

Tool Count1/5

At 72 tools, this is far beyond the 50+ extreme range and creates a heavy navigation burden for an agent. Even though the pipeline is complex, this many tools is not well-scoped for an MCP surface.

Completeness4/5

The surface covers the full script-to-export pipeline: styles, assets, voices, storyboards, segments, scenes, and rendering all have substantial lifecycle support. Some gaps exist—no delete_channel, delete_segment, delete_voice_block, or delete_provider_key—but most missing operations can be worked around through existing tools.

Resources