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

Annotations already disclose the behavioral profile (readOnlyHint=false, destructiveHint=false, openWorldHint=false), so the safety semantics are covered. The description adds nothing beyond what the title and annotations imply – no mention of idempotency, human_id uniqueness/collision behavior, or permissions required to create a stakeholder.

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 single sentence is front-loaded and wastes no words, but it is under-specified rather than genuinely concise – it restates the title almost verbatim. Appropriate length would still be a couple of sentences richer for a mutating, nested-object 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?

An output schema exists so return values need not be explained, and the schema is rich, but for a create tool that takes a nested object with required fields the description provides no context on constraints, side effects, or expected inputs. It is technically minimal but leaves the agent relying entirely on the schema.

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%, with both project_id and the nested stakeholder object fully documented in the schema, so the baseline of 3 applies. The description contributes no additional parameter meaning (e.g. valid formats for human_id or linking semantics for story_ids).

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 states a specific verb and resource ('Create a stakeholder'), so an agent immediately knows this is the creation counterpart to stakeholders_update/delete/get/list. It does not, however, explicitly differentiate itself from those siblings beyond the obvious verb, leaving no room for confusion but adding nothing beyond the name.

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 guidance on when to use this tool versus alternatives such as projects_align_stakeholders_to_stories or stakeholders_update, and no stated prerequisites (e.g. the project must already exist). Usage is only trivially implied by the verb.

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