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LesterAJohn

openshift-mcp

redshift_query

Run parameterized SQL queries on a named Redshift cluster with configurable row limits and authorization.

Instructions

Run a parameterized SQL statement against a named Redshift cluster.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
sqlYes
userIdNo
maxRowsNo
clusterIdYes
parametersNo
authorizationKeyNo
Behavior2/5

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

No annotations exist, so the description must carry the full burden. It does not disclose whether destructive SQL is allowed, error handling, return format, authentication requirements, or rate limits. The presence of an authorizationKey parameter implies auth but is not explained.

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?

The single sentence is concise with no wasted words, but it lacks structure and is too brief to cover necessary details. It is not overly verbose, but efficiency does not compensate for missing information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no annotations, no output schema, and 0% param coverage, the description is severely incomplete. It fails to convey execution behavior, response, error handling, or security context needed for an agent to invoke this tool correctly.

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 adds no explanation for any of the 6 parameters. The agent receives no help understanding what each parameter means beyond the schema's type constraints.

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 action (run a parameterized SQL statement) and the resource (against a named Redshift cluster). It is specific and immediately distinguishes from sibling OpenShift tools.

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, prerequisites, or when not to use it. The sibling tools are all OpenShift-related, but the description does not explicitly contrast them.

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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