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spraay_compute_image_generation

Generate images from text prompts using FLUX and SDXL models, paying $0.02-$0.08 USDC per request without API keys.

Instructions

Generate images via Spraay Compute. FLUX Schnell, FLUX Dev, SDXL via Replicate. Text to image. Costs $0.02-$0.08 USDC.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
modelNoModel: 'auto', 'flux-schnell', 'flux-dev', 'sdxl'. Auto picks fastest.auto
widthNoImage width in pixels (default 1024)
heightNoImage height in pixels (default 1024)
promptYesText prompt describing the image to generate
num_outputsNoNumber of images to generate (1-4)

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
okYesTrue when the gateway call succeeded; false when it returned an error.
dataNoThe gateway response payload on success. The exact shape depends on the tool (see the tool description and the JSON in the text content block).
errorNoHuman-readable error message, present only when ok is false.
Behavior3/5

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

Annotations already indicate non-destructive and open-world behavior. Description adds cost range ($0.02-$0.08 USDC), which is useful but does not detail other behavioral aspects like response time or output format beyond schema.

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 sentences, front-loaded with the verb 'Generate', and no superfluous words. Efficiently conveys model types, task, and cost.

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 presence of an output schema, the description adequately covers purpose, models, and cost. Could mention potential output format implicitly, but overall sufficient for a simple generative tool.

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 has 100% description coverage, so baseline is 3. Description does not elaborate on parameter semantics beyond what schema already provides; mentions models in overview but not detailed meaning.

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?

Description explicitly states 'Generate images via Spraay Compute' and lists supported models (FLUX Schnell, FLUX Dev, SDXL) and the text-to-image task, making the purpose clear and distinguishable from sibling tools like text inference or embeddings.

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?

No guidance on when to use this tool versus alternative image generation or other compute tools. Missing context about preferred scenarios, user prerequisites, or comparison with siblings.

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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