Open Permissions Panel

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

Annotations already declare readOnlyHint and destructiveHint, so the description does not need to restate safety. It adds useful behavioral detail beyond them: the panel is local, opens in the browser, returns a URL, and 'changes apply immediately, no restart.' This gives the agent practical expectations about side effects and deployment.

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?

Two tight sentences: the first covers action and return value, the second explains user purpose and runtime behavior. No filler, no repetition of schema or annotations, and the most decision-relevant information is front-loaded.

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 is simple, has rich annotations, and includes an output schema, the description covers the core action and return. However, it leaves a material gap: the open_browser parameter is entirely undocumented, and the description does not clarify how to choose this tool over the sibling manager_permissions. It is minimally viable but not fully complete.

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 0% and the description does not mention the open_browser parameter at all. The agent cannot tell what happens when open_browser=false or how the boolean alters the tool's behavior. The name alone is not enough, especially since the tool is called 'open_permissions_panel' yet may optionally not open a browser.

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: 'Open the local permissions control panel in the browser and return its URL.' It clearly distinguishes this from the sibling manager_* tools by emphasizing a local browser panel rather than an API-driven management action.

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?

It gives strong contextual cues about when to use the tool: when the user needs to tick resource permissions, add businesses, or manage access tokens. It does not explicitly name alternatives or provide exclusion criteria, but the 'local ... in the browser' framing implies a different use case than the manager_permissions or manager_list siblings.

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