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yangkyeongmo

MCP Server for OpenMetadata

by yangkyeongmo

get_database_service_by_name

Retrieve a database service by name to access its metadata from OpenMetadata. Use this to manage and view service configurations.

Instructions

Get database service by name

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
service_nameYes
fieldsNo
Behavior2/5

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

No annotations provided. Description only says 'Get', which is a read operation, but lacks details on idempotency, error behavior (e.g., if service not found), or any side effects. Minimal behavioral disclosure.

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?

Description is a single concise sentence, no redundant information. However, it could be slightly expanded to include parameter hints or return value without losing conciseness.

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?

Tool is simple with 2 parameters and no output schema. Description is minimally adequate for a getter, but could be improved by mentioning that it returns a database service object. Given the context (many sibling getters), additional detail would help.

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% (only titles). Description does not add any meaning to parameters beyond their names. The 'fields' parameter, in particular, lacks clarification on its purpose or default behavior.

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?

Description clearly states 'Get database service by name', specifying the action (get) and the resource (database service). It distinguishes from siblings like get_database_by_name or get_dashboard_service.

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

Usage Guidelines3/5

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

Description implies usage when needing a database service by name, but no explicit guidance on when to use vs alternative tools like list_database_services or search APIs. No exclusions or context provided.

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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