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yangkyeongmo

MCP Server for OpenMetadata

by yangkyeongmo

list_policies

Retrieve policies with pagination and filtering to manage access control in OpenMetadata.

Instructions

List policies with pagination and filtering

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNo
offsetNo
fieldsNo
policy_typeNo
include_deletedNo
qNo
Behavior2/5

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

No annotations provided; description carries full burden. Mentions pagination and filtering but does not disclose whether it returns all policies, any default sorting, or if there are side effects. For a list operation, more behavioral detail is needed.

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?

Very concise single sentence, but lacks necessary detail. Sacrifices clarity for brevity. Could include more information without being verbose.

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?

With 6 parameters and no output schema, description is insufficient for an agent to use the tool correctly. Missing details on return format, default behavior, and parameter semantics. Better description needed for a list operation.

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 coverage is 0% (no parameter descriptions). The tool description adds no explanation for the six parameters (limit, offset, fields, policy_type, include_deleted, q). Merely says 'with pagination and filtering', which is insufficient to understand parameter usage.

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 the verb 'list', resource 'policies', and features 'pagination and filtering'. It distinguishes from similar sibling tools like list_bots or list_charts by specifying the unique resource.

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 (e.g., search_entities or get_policy). Does not mention prerequisites or exclusion criteria.

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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