getWatchtowerLinks

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 effectively describes key behaviors: automatic issue calculation ('server automatically calculates correct issue'), timing logic ('Watchtower publications are 2 months ahead'), return format ('article titles... with their RTF download URLs'), and default parameter usage. It doesn't mention error handling or rate limits, but covers most essential operational aspects.

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 appropriately sized and front-loaded with the core purpose and usage instructions. Every sentence serves a clear function: establishing purpose, providing usage guidelines, explaining timing logic, describing returns, and reinforcing default usage. It could be slightly more concise by combining some timing explanations, but overall it's well-structured with minimal waste.

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's moderate complexity (4 parameters, no annotations, no output schema), the description provides good contextual completeness. It covers purpose, usage guidelines, behavioral aspects like automatic calculation and timing logic, and return format. The main gap is the lack of output schema, but the description compensates by describing what's returned. For a read-only tool with good parameter documentation, this is sufficient.

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 100%, so the schema already documents all parameters thoroughly. The description adds minimal parameter semantics beyond the schema - it mentions using defaults for current articles and explains the timing logic for the issue parameter, but doesn't provide additional syntax or format details. This meets the baseline expectation when schema coverage is high.

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's purpose: 'Get JW.org Watchtower study articles' with specific details about the resource (current/this week's Watchtower content) and distinguishes it from potential alternatives by specifying it should be used 'FIRST without any parameters' for current articles, differentiating from sibling tools like getWatchtowerContent which might handle different use cases.

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 explicit usage guidelines: 'When a user asks for current/this week's Watchtower content, use this tool FIRST without any parameters' and explains the timing logic (2-month ahead publication). It also implies when not to use it (e.g., for non-current articles or other publications), though it doesn't name specific alternatives beyond the context of sibling tools.

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