build_winner_playbook

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

With no annotations provided, the description carries full burden and does well: it explains the internal steps (finds, mines, maps, returns) and explicitly frames the output as inspiration/strategy rather than copyable code or brands. It does not state whether any data is modified or if prerequisites like an existing project profile are needed, but the read-only analytical nature is clear from the wording.

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 three tight paragraphs: a one-sentence summary, a process/output breakdown, and a usage caution. Every sentence earns its place, and the purpose is front-loaded in the first line. There is no fluff or repetition.

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 complexity and the presence of an output schema, the description covers the process and output well and the output schema handles return values. However, it omits parameter semantics and any mention of prerequisites or edge cases (e.g., what if no related ended hackathons are found). It is adequate for understanding the tool but not fully complete for correct invocation.

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?

The input schema has 0% description coverage and the tool description does not name any of the four parameters directly. Context implies project_id is the current project and include_similar relates to 'similar hackathon winners,' but top_k_events is completely unexplained and even the required hackathon_id is only vaguely inferred. The description fails to compensate for the bare schema.

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 opens with a specific verb-object ('Build a winning strategy') and then details the multi-step process (finds related ended hackathons, mines winning submissions, maps to current project) and lists concrete outputs (positioning, must-ship artifacts, inspo moves, judge checklist). This clearly differentiates it from sibling tools like find_past_editions or list_winning_submissions, which are more atomic.

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 clearly states the intended use case—building a winning strategy for the current project—and provides a boundary with 'This is inspiration/strategy — adapt patterns; do not copy code or brands.' However, it does not explicitly specify when not to use this tool or name alternatives such as list_winning_submissions for simpler needs, so it stops short of explicit exclusions.

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