createPersonasSlide

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

No annotations are provided, placing full burden on the description. It says 'create or update' but does not disclose behavioral traits such as whether updates overwrite, append, or require specific authorization. The schema's `_index` parameter clarifies this, but the description does not reference it.

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 a single, front-loaded sentence with no wasted words. However, its brevity sacrifices behavioral and usage details, making it slightly less effective than a more balanced concise statement.

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 2 parameters (one array), no output schema, and no annotations, the description is incomplete. It lacks usage guidance, does not explain the `_index` update/append behavior, and provides no information about return values. The description fails to give an AI agent sufficient context for correct tool selection and 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?

Schema coverage is 50%: `_index` is well-documented in the schema, while `personas` lacks a description. The description adds 'customer persona cards' giving high-level meaning to `personas`, but does not detail its structure or complement the schema fully. Baseline 3 is appropriate as the description provides some added value.

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 uses a specific verb-resource pair: 'Create or update customer persona cards.' It clearly distinguishes this tool from sibling slide creation tools by specifying the resource type (persona cards).

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 implies usage when creating or updating persona slides but provides no explicit guidance on when to use this tool versus alternatives. No exclusions or context for sibling tools are given, matching the 'implied usage' level.

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