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GeiserX

spinnaker-mcp

find_images

Read-onlyIdempotent

Search for AMIs and images available in Spinnaker by cloud provider, account, region, or query string.

Instructions

Find images/AMIs available in Spinnaker for a given cloud provider

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
accountNoSpinnaker account to filter images
providerYesCloud provider (e.g. aws, gce, docker)
queryNoSearch query to filter images
regionNoCloud region to filter images
Behavior4/5

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

Annotations already declare readOnlyHint=true, destructiveHint=false, idempotentHint=true, and openWorldHint=true. The description does not contradict these and adds reasonable context about the search functionality. It is transparent and consistent with the annotations.

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 that is efficient and front-loaded with the key action and resource. It is concise without unnecessary detail.

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?

Given the annotations, input schema, and sibling context, the description is adequate but does not cover potential edge cases, return format, or pagination. For a read-only search tool with no output schema, it is minimally complete.

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 coverage is 100% with descriptions for all parameters. The description does not add additional meaning beyond what the schema already provides, so a baseline score of 3 is appropriate.

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

Purpose4/5

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

The description specifies the verb 'find' and the resource 'images/AMIs' scoped to Spinnaker and a given cloud provider. It distinguishes itself from sibling tools like 'get_image_tags' and 'list_accounts' by clearly identifying its unique function, though it could explicitly differentiate from similar search tools.

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?

The description implies usage for searching images but does not provide explicit guidance on when to use this tool versus alternatives like 'get_image_tags' or other list tools. No exclusion criteria or context is given, making it average.

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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