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openmetadata-mcp-server

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get-topic-by-name

Retrieve a topic by its fully qualified name to access metadata details such as fields, ownership, and columns. Supports filtering by state and selective field extraction.

Instructions

Get topic by fully qualified name

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
fqnYesFully qualified name (e.g. 'service.topicName')
fieldsNoComma-separated fields to include
includeNo
extractFieldsNoComma-separated dotted paths to project from response (e.g. 'id,name,owner.name,columns.*.name'). Use `*` as wildcard for arrays/objects. Wrap field names with dots in backticks. Reduces response tokens dramatically on large entities.
Behavior2/5

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

No annotations are provided, and the description does not disclose any behavioral traits (e.g., read-only, destructive, required permissions, side effects). The description implies a read operation but does not confirm safety or other behaviors.

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 a single sentence, which is concise and front-loaded. However, it lacks structure (e.g., no examples or notes). It earns a 4 for being brief and to the point.

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?

Given the tool has 4 parameters and no output schema, the description is minimal. It does not explain return values, special behaviors, or how the tool fits within the broader set of sibling tools. It is incomplete for a tool of this complexity.

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 description coverage is 75% (3 out of 4 parameters have descriptions). The description adds no additional meaning beyond the schema, so it meets the baseline of 3 without adding extra value.

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

Purpose3/5

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

The description 'Get topic by fully qualified name' clearly states the verb and resource, but it does not differentiate from siblings like 'get-topic' (which might use ID) or other get-by-name tools. The purpose is clear but lacks specificity to distinguish it.

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 such as 'get-topic' or 'list-topics'. There is no mention of prerequisites, exclusion criteria, or alternative tools.

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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