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tum-gis

3DCityDB MCP Server

Official
by tum-gis

resolve_properties

Resolves and enriches all schema-defined properties for a given object class ID by walking the superclass hierarchy, filtering existing properties, and resolving codelists.

Instructions

For a given objectclass_id, walks the superclass hierarchy, collects all schema-defined properties, filters against the property table to keep only existing properties, determines value columns and join info, and resolves codelists for Code-type properties. Returns fully enriched PropertyDefinitions.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
objectclass_idYesThe objectclass ID to resolve properties for (e.g. 901 for Building)
Behavior2/5

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

Without annotations, the description must disclose behavioral traits. It outlines internal steps (walk hierarchy, filter, resolve codelists) but omits side effects, error conditions, or performance implications.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single lengthy sentence that packs many steps. It is not optimally concise or front-loaded; restructuring would improve clarity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema exists, and the description only vaguely mentions 'Returns fully enriched PropertyDefinitions.' Missing details on return format, errors, and edge cases for invalid inputs.

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% for the single parameter, so baseline is 3. The description does not add additional meaning beyond the schema's parameter description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool resolves properties for a given objectclass_id by walking the superclass hierarchy and enriching. It is specific and distinguishes from general query tools, though no explicit sibling differentiation is provided.

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 vs alternatives like get_generic_attributes or scan_objectclasses. No when-not or prerequisites mentioned.

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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