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

Annotations already declare that this is a non-read-only, open-world, non-idempotent, non-destructive mutation. The description adds useful context about the sign-in-free case and the Google Calendar prerequisite, but does not explain what the connect flow does, what happens on repeat calls, or what the result looks like. With annotations covering the safety profile, this is adequate but not rich.

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 tightly written sentences with zero waste. The primary usage condition is front-loaded, and the alternative routing follows immediately.

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?

For a one-parameter mutation tool with annotations and full schema coverage, the description covers routing, prerequisites (connected Google Calendar for Meet), and the excluded apps. It does not describe the connection flow or outcome, but no output schema is promised and the essential selection guidance is present.

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%, and the schema already tells the agent to use an app id from list_conferencing_apps with examples. The description adds no parameter meaning beyond that, so the baseline of 3 is appropriate.

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 and resource ('Connect a video app') and immediately scopes it to apps with no sign-in page. It also names the sibling tool for the excluded case, so an agent can distinguish it from get_connect_links without opening either schema.

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?

Explicitly says when to use this tool (apps needing no sign-in page, e.g. Cal Video or Google Meet via connected Google Calendar) and when to use the alternative (Zoom or Teams → get_connect_links). This is a clear routing rule.

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