zig_langref

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It mentions 'fetched fresh' implying network/caching behavior, and clarifies channel versions, but it does not explain the force parameter, potential side effects, rate limits, or what happens when both section and query are provided. Significant behavioral gaps remain.

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?

The description is concise, front-loaded with the purpose, and each sentence earns its place. It is well-structured, moving from general purpose to specific usage details. No fluff or redundancy, though it could be slightly more detailed without losing conciseness.

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?

Given the tool has 4 optional params and an output schema, the description covers the main modes but leaves gaps: it does not address the interaction between section and query (mutually exclusive or combinable), the effect of force, or the output format (though schema exists). It is adequate for basic use but not fully complete.

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?

Schema description coverage is 0%, so the description must compensate. It explains section, query, and channel, giving concrete meaning (e.g., 'stable (latest release) or master'), but it does not describe the force parameter at all. The coverage is partial—3 out of 4 params—so it adds value but is incomplete.

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?

The description clearly states the tool fetches the official Zig Language Reference and specifies two modes (section retrieval and query search). It uses a specific verb and resource, but does not explicitly distinguish it from sibling tools like zig_search or zig_std, though the purpose is evident.

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?

The description provides context for usage—it's the language reference fetcher—and explains the two modes, but it does not explicitly state when to use this tool versus alternatives or when not to use it. No exclusions or alternative guidance is given, so usage is implied rather than explicit.

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