Databricks

databricks_list_schemas

Read-onlyIdempotent

Lista os schemas (databases) de um catálogo Unity. Informe catalog_name.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "catalog_name": "<catalog_name>"
    },
    "name": "databricks_list_schemas"
  }
}

Input Schema

Name	Required	Description	Default
`account`	No
`catalog_name`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

First observedAug 21, 2026

TDQS

A3.9/5.0

Behavior3/5

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

Annotations already indicate readOnlyHint=true, idempotentHint=true, and destructiveHint=false, so the safety profile is known. The description adds the catalog-scoped listing behavior but does not provide additional behavioral context such as pagination, sorting, or error cases. It is consistent with annotations.

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?

The description is one concise sentence with no filler. It front-loads the purpose and followswith the required input, making it easy to scan and act on.

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?

For a simple, read-only list operation with strong annotations, the description provides the essential context: what is listed and what input is required. It does not document `account`, but the overall complexity is low and the output behavior is strongly implied by 'Lista os schemas'.

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

Parameters2/5

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

Schema description coverage is 0%, and the description only clarifies `catalog_name`, which is the required parameter. The optional `account` parameter receives no explanation, leaving part of the invocation surface undocumented. This is a clear gap in parameter semantics.

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's function: listing schemas (databases) within a Unity catalog. This is specific enough to distinguish it from sibling tools like databricks_list_catalogs and databricks_list_tables.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly instructs the user to provide `catalog_name`, which is the essential prerequisite for correct invocation. It does not mention alternatives or when-not conditions, but the usage context is clear and unambiguous for this simple list operation.

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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