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Generate several images in parallel

antigravity_image_swarm

Generate multiple images in parallel using distinct workers for each prompt. Specify prompts, output paths, and concurrency limits for efficient batch image creation.

Instructions

Generate several images IN PARALLEL with Antigravity (one worker per prompt).

Like antigravity_image, but runs N image generations concurrently in isolated workers (capped at max_concurrency). Returns one block listing each image's final path/format/size (or its error). Extensions are corrected to the real bytes, exactly like antigravity_image. Same unsandboxed privileges/caveats as antigravity_swarm.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
promptsYesOne image description per parallel worker.
output_pathsNoWhere to save each image (aligned to prompts). Omit to write timestamped files in the first workspace (or server cwd).
workspacesNoWorking directory per worker (same shorthand as antigravity_swarm).
max_concurrencyNoMax workers running at once (default 4).
timeout_sNoPer-worker timeout in seconds. Default 240 (images are slower).
watchNoIf true, open the live dashboard; each finished image shows in its pane, and clicking a row opens that agent's window beside the dashboard.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior4/5

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

The description discloses file extension correction, concurrency limits, timeout, return format (path/format/size/error), and unsandboxed privileges. Annotations provide readOnlyHint and openWorldHint, which are consistent.

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 description is front-loaded with the core purpose, uses brief paragraphs, and avoids fluff. However, it repeats 'like antigravity_image' and could be slightly more streamlined.

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?

Given the output schema exists, the description sufficiently covers behavioral details, parameter defaults, concurrency, and workspace handling. It is complete for a tool with 6 parameters.

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 coverage is 100% and descriptions are thorough. The tool description adds little extra beyond what the schema already provides, such as the listing of return values but not parameter-specific details.

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 clearly states the tool generates several images in parallel, differentiating from antigravity_image. It specifies each prompt runs in an isolated worker, and returns a block listing results. This distinguishes it from 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?

The description explains when to use this tool (for parallel image generation) and compares to antigravity_image and antigravity_swarm. However, it does not explicitly state when not to use it or mention alternatives like sequential generation.

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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