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geojson_to_geometry

Convert a GeoJSON dictionary into a Shapely geometry and return it as Well-Known Text (WKT) for spatial analysis.

Instructions

Convert GeoJSON to a Shapely geometry using shapely.geometry.shape. Args: geojson: GeoJSON dictionary. Returns: Dictionary with status, message, and geometry as WKT.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
geojsonYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior3/5

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

With no annotations provided, the description adds some behavioral context by stating that it uses 'shapely.geometry.shape' and returns a dictionary with status, message, and WKT geometry. However, it lacks details on error handling, performance implications, or validation of input GeoJSON.

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 concise with two introductory sentences followed by a brief '[Args:]' and '[Returns:]' list. It is front-loaded with the purpose. Could be slightly structured better by separating the details, but overall efficient.

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?

Given the tool's low complexity and that an output schema is indicated (though not shown), the description covers the core conversion purpose, parameter, and return format. However, it lacks usage guidelines, error mentions, and compatibility notes, making it adequate but not complete.

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 schema has 0% description coverage, so the description must compensate. It explains the single parameter as 'geojson: GeoJSON dictionary,' which adds meaning beyond the schema's 'object with additionalProperties true.' However, it does not provide examples or constraints on the GeoJSON structure.

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 action: 'Convert GeoJSON to a Shapely geometry using shapely.geometry.shape.' It specifies the input (GeoJSON) and output (Shapely geometry), and distinguishes it from the sibling tool 'geometry_to_geojson' which performs the reverse operation.

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 is provided on when to use this tool versus alternatives like 'geometry_to_geojson' or other geometry manipulation tools. The description does not mention any prerequisites, context, or exclusions for usage.

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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