closeForumTopic

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 adds useful context by specifying the admin permission requirement and stating that it returns True on success. It does not mention failure behavior, side effects, or what happens if the topic is already closed, which would strengthen transparency.

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 two short sentences with no wasted words. It front-loads the main action, then adds the essential permission requirement and return value. Every sentence contributes meaningful information, making it easy to scan.

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 simple two-parameter method with no output schema and no annotations, the description covers the essential elements: the action, the target, the authorization requirement, and the success return value. It could be slightly more complete by noting behavior on already-closed topics or explicitly routing to reopenForumTopic, but the core information needed to invoke the tool correctly 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%, so both chat_id and message_thread_id are already documented in the input schema. The tool description adds no additional parameter-level meaning, such as how chat_id relates to supergroups or that message_thread_id identifies the topic. The baseline of 3 is appropriate since the schema does the necessary work.

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 uses a specific verb ('Close') and resource ('an open topic in a forum supergroup chat'), making the tool's function unambiguous. It implicitly distinguishes itself from siblings like reopenForumTopic and closeGeneralForumTopic by specifying 'open topic' and 'forum supergroup chat'. Even without title information, an agent can identify exactly what this tool does.

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 states a key prerequisite: the bot must be an administrator with can_manage_topics rights. However, it does not explicitly say when to prefer this tool over alternatives such as reopenForumTopic or closeGeneralForumTopic. Usage context is implied by the action described, but explicit when/when-not guidance is missing.

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