cigchat_subscriber_app_trigger

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

With no annotations, the description carries the full burden of disclosing behavior. It does disclose the key side effect ('Delivers a real message to a person') and the required OAuth scope, which is useful. However, it omits other behavioral details such as rate limits, idempotency, or what happens on failure, so it only reaches a minimum viable level.

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 brief and well-structured: a single action sentence plus a second sentence covering the impact and requirement. Every sentence earns its place with no filler. It loses a point because extreme brevity conflicts with the need for more detail, but as a standalone text it is efficiently organized.

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's side effect (sends a real message), the lack of annotations, output schema, and parameter descriptions makes this description critically incomplete. It does not explain what values trigger_name should take, how user_ns is identified, what the context object does, or what the response shape is. An agent would struggle to invoke this correctly and understand the outcome.

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 provides no explanation for any of the three parameters (trigger_name, user_ns, context). The parameter names are not self-explanatory enough for safe invocation, especially 'context' which is an object with unlabeled fields. The description completely fails to compensate for the lack of schema documentation.

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 clearly states the action ('Trigger an app event') and the resource ('subscriber from installed min-app'), and adds that it 'Delivers a real message to a person,' which clarifies the real-world impact. It is specific but does not explicitly differentiate from sibling send/trigger tools, so it stops short of a 5.

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 offers no guidance on when to use this tool versus alternatives, no use-case context, and no exclusions. It only mentions a required scope ('Manage Flow'), which is a prerequisite rather than usage direction. This is inadequate for a tool with many sibling send/trigger operations.

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