open-context

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

With no annotations provided, the description carries the full burden. It successfully discloses caching behavior and identifies GitHub releases as the source. However, it omits critical behavioral details: what specific information is returned (release notes, URLs, checksums?), error handling for invalid versions, cache duration, or rate limiting concerns.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Is the description appropriately sized, front-loaded, and free of redundancy?

Single sentence efficiently communicates action, resource, and source without redundancy. Information is front-loaded with verbs first. Appropriate length for a simple one-parameter tool.

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

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

While the description covers the basic operation, it lacks an output schema and fails to describe the return value structure or content. For a data-fetching tool with no annotations to indicate safety hints, the description should specify what 'information' entails (JSON metadata, download URLs, etc.) and whether the operation is read-only.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema has 100% description coverage with clear examples ('3.12.0', '3.13.0'). The description adds no supplementary parameter guidance (e.g., whether version accepts 'latest' or partial semver), but baseline 3 is appropriate when schema documentation is already comprehensive.

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

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

Description provides specific verbs ('Fetch and cache'), clear resource ('Helm versions'), and source ('GitHub releases'). The 'Helm' specificity clearly distinguishes this from sibling tools like get_kubernetes_info or get_terraform_info.

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

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

Description lacks any guidance on when to use this tool versus alternatives. While sibling tools follow a clear naming pattern (get_*_info), the description does not explicitly state selection criteria or prerequisites like 'Use this when you need Helm release metadata versus Kubernetes cluster info'.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.