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gif_palette_lsb

Analyze GIF color table LSB patterns to detect hidden data. Extracts per-channel bit strings, balance ratios, and chi-square test for LSB uniformity.

Instructions

Extract and analyze LSB patterns from GIF color table entries. Reports per-channel LSB bit strings, balance ratios, and chi-square test results for LSB uniformity.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
file_pathYesPath to GIF image file
Behavior2/5

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

No annotations provided, and the description does not disclose behavioral traits beyond its function (e.g., read-only nature, permissions, side effects). It only states what it reports, not how it operates.

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 concise, front-loaded sentences with no redundant information. The first sentence states the action, the second lists outputs.

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 no output schema, the description adequately summarizes the output format and content. It clarifies the scope (GIF color table entries), which is useful among many steganalysis tools.

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?

Only one parameter (file_path) with 100% schema description coverage. The description adds no extra semantics beyond the schema, so baseline of 3 is appropriate.

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 extracts and analyzes LSB patterns from GIF color table entries, listing specific outputs (per-channel bit strings, balance ratios, chi-square test results). This distinguishes it from siblings like gif_palette or img_lsb_detect.

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 versus alternatives (e.g., img_lsb_detect for generic images). The description doesn't mention prerequisites or exclusions.

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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