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

Annotations already declare readOnlyHint=false, idempotentHint=false, openWorldHint=true, destructiveHint=false, so the safety profile is covered. The description adds only the create-vs-publish-version distinction, which largely restates the title; it says nothing about what happens when the slug already exists, whether repeat calls mint new versions, or what validation failures look like.

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?

A single front-loaded sentence with no filler, but it is under-specified rather than concise for a six-parameter mutation tool. The brevity leaves required behavior unexplained.

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?

With five required parameters, 17% schema coverage, no output schema, and no annotations explaining versioning semantics, one sentence is not enough. An agent knows what the tool broadly does but not how to construct a valid criteria payload or what a successful publish returns.

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 17% — only agent_key is documented. The description supplies no meaning for slug, name, description, criteria, or is_public; notably the criteria array (1-20 objects) is completely undefined in both schema and description. It does not compensate for the low coverage.

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?

States a specific verb pair (create / publish next version) and the resource (check pack), with a qualifier on who may publish ('one you own'). It is distinguishable from check_pack_get and check_packs_list, though it doesn't contrast itself with near-neighbors like criteria_draft or gate_pack.

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?

There is no explicit when-to-use, when-not-to-use, or alternative routing; the only implicit guidance is the ownership constraint in 'one you own'. An agent cannot tell from this whether to draft criteria first via criteria_draft or how registration relates to gate_pack.

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