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

Annotations already declare readOnlyHint=true, destructiveHint=false, and openWorldHint=false, so the safety profile is covered. The description adds meaningful scope — events are limited to this workspace's app rather than all events — but says nothing about ordering, volume, or what the returned entries look like, which for a zero-parameter list tool would be useful.

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, and the workspace scoping comes before the cross-tool reference. It reads as a fragment without an explicit verb, which is the only minor structural weakness.

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 parameterless, read-only listing with no output schema and full annotation coverage, the definition supplies what an agent needs: the resource, its scope, and its purpose in the create_launch_draft workflow. Only the shape of the returned event values is left implicit.

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?

The tool takes no parameters, so there is nothing for the description to disambiguate and the baseline of 4 applies. The description correctly does not invent filtering options that the empty schema does not support.

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?

Identifies the resource precisely — Meta in-app events sent by this workspace's app — and its downstream use as an appEvent value in create_launch_draft. It is clearly distinguishable from the sibling list_* tools by the 'app events' resource, though the listing verb itself is only implied by the name/title rather than stated.

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?

Gives concrete usage context: call this to obtain values that can be passed as appEvent in create_launch_draft, which tells an agent why it would pick this tool. No explicit exclusions or when-not guidance, and no mention of an alternative source for event values.

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