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lint

Run pixel-art quality checks and return findings with a visual render that circles issues. Helps identify orphans, banding, and other rule violations without auto-fixing.

Instructions

Run pixel-art quality checks and return findings with a render circling them. Rules: orphans, doubles, banding, pillow_shading, unused_colors, near_duplicates, broken_outline, symmetry_drift, stray_alpha, tile_seams. Findings are advisory; nothing is auto-fixed.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
frameNoFrame index, 0-based (default: active frame)
rulesNoSubset of rules to run (default: all)
doc_idYesDocument id
regionNoRegion: exactly one of 'rect', 'pixels', or 'selection'
Behavior3/5

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

With no annotations provided, the description carries full burden. It discloses that findings are advisory and nothing is auto-fixed, implying read-only behavior. However, it does not explicitly state that no state changes occur.

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 a single clear sentence followed by a bullet list of rules. It is front-loaded and concise with no wasted words.

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 4 parameters (including nested region) and no output schema, the description lacks details on the structure of returned findings and how region interacts. It provides basic behavioral context but is incomplete for complex usage.

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%, so baseline is 3. The description does not add meaning beyond the schema; it only lists the rules that can be passed via the 'rules' parameter but does not elaborate on frame, region, or doc_id.

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 'Run pixel-art quality checks and return findings with a render circling them', listing specific rules. This verb+resource combination is distinct from siblings like lint_waive and lint_unwaive.

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 explicit guidance on when to use this tool vs alternatives like lint_waive or lint_unwaive. The description only states that findings are advisory, but doesn't contextualize within the sibling tools.

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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