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thiagorchaves

AWS OpenSearch MCP Server

get_domain_config

Retrieve configuration details, node information, storage, networking, and security posture of an Amazon OpenSearch managed domain.

Instructions

Read the managed-domain configuration, nodes, storage, networking and security posture.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
domainYes
regionYes
profileYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

No annotations provided, so description must fully disclose behavior. It states 'Read' implying read-only, but lacks details on side effects, auth requirements, rate limits, or output format. Minimal behavioral context.

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?

Single sentence, no redundancy. Efficient but could benefit from structured listing of aspects.

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 3 undocumented required parameters, no usage guidance, and no output description despite output schema existing, the description is insufficient for an agent to confidently invoke the tool.

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 description coverage is 0% and the description does not explain the meaning or format of parameters (domain, region, profile). No additional semantic value beyond parameter names.

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 verb 'Read' and resource 'managed-domain configuration', listing specific aspects (nodes, storage, networking, security posture). It distinguishes itself from sibling diagnostic tools by focusing on domain config.

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 (e.g., get_cluster_health, get_cluster_settings). 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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