subscribe_to_plugin

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It merely states the action but does not disclose side effects, permissions required, whether the operation is reversible, or what happens if the firm is already subscribed. This is insufficient for safe tool invocation.

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 short sentence, which is efficient, but it lacks structure. It does not break down information such as parameter details, usage notes, or output expectations, making it less helpful than it could be.

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 presence of an output schema and related sibling tools, the description is very incomplete. It does not explain what subscribing means, what a plugin is in this context, or what the output represents. The description fails to provide sufficient context for an agent unfamiliar with the domain.

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 input schema has one parameter 'plugin_id' with 0% description coverage. The tool description does not mention this parameter at all, so it adds no meaning beyond the schema. The agent receives no help in understanding what 'plugin_id' represents or how to obtain it.

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 'Subscribe this firm to a plugin' clearly states the verb (subscribe) and resource (this firm to a plugin), making the tool's action understandable. However, it does not differentiate from sibling tools like 'unsubscribe_from_plugin' or 'create_plugin', which could lead to confusion if an agent must choose between them.

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 provides no guidance on when to use this tool versus alternatives such as 'unsubscribe_from_plugin' or 'create_plugin'. There is no mention of prerequisites, context, or conditions under which subscription is appropriate.

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