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fingerprint_model

Compute a geometric fingerprint for a 3D STL file, providing SHA-256 hash, triangle/vertex counts, bounding box, surface area, volume, overhang ratio, complexity score, and a signature for similarity matching.

Instructions

Compute a geometric fingerprint for a 3D model file.

        Reads the STL file and produces a fingerprint containing: SHA-256
        file hash, triangle/vertex counts, bounding box, surface area,
        volume, overhang ratio, complexity score, and a geometric
        signature for similarity matching.

        Args:
            file_path: Path to the STL file to fingerprint.
        

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
file_pathYes
Behavior2/5

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

With no annotations, the description should disclose behavioral traits. It mentions reading an STL file, but fails to cover side effects, permissions, error handling, or performance considerations. It does not state whether modifications occur.

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 well-structured with a clear first sentence and a bulleted list of fingerprint components. It is concise without extraneous information, though the Args section is slightly repetitive.

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 one parameter and no output schema, the description explains the output content well. However, it lacks details on return type, error conditions, and example usage, leaving some gaps for the agent.

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?

The description provides a clear explanation of the single parameter file_path, specifying it's the path to the STL file. Given 0% schema coverage, this adds necessary meaning, but it is minimal and expected.

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 computes a geometric fingerprint for a 3D model file, listing specific components of the fingerprint. This distinguishes it from sibling analysis tools by emphasizing its unique output for similarity matching.

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 the tool is for generating a comprehensive fingerprint, but does not explicitly state when to use it over alternatives like analyze_mesh_geometry or diagnose_mesh. No exclusions or prerequisites are provided.

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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