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uc_catalog_create

Creates a new Unity Catalog catalog in Databricks with required name and optional settings like comment, storage root, and tags.

Instructions

Create a catalog (POST /api/2.1/unity-catalog/catalogs).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYesCatalog name
commentNo
propertiesNo
storage_rootNo
provider_nameNo
shareNo
connection_nameNo
optionsNo
isolation_modeNoOPEN | ISOLATED
vendor_nameNo
regionNo
metastore_idNo
tagsNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

Annotations indicate readOnlyHint=false, and description says 'Create', so consistent, but no additional behavioral details (e.g., idempotency, side effects, permissions) are provided beyond the minimal.

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 extremely concise, using one sentence. While it lacks substance, it is not verbose or redundant.

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

Completeness1/5

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

Given 13 parameters (most optional) and the presence of an output schema, the description provides no information about return values, error cases, or usage context, making it very incomplete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is low (15%) and the description adds no parameter information. The description fails to explain the meaning or usage of the 13 parameters.

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 'Create a catalog' with the specific HTTP endpoint, distinguishing it from sibling tools like uc_catalog_delete, uc_catalog_get, etc.

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 versus alternatives, no prerequisites or context provided. The description is purely a statement of what the tool does.

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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