edit_channel

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

No annotations are provided, so the description carries full burden. It discloses that permissionOverwrites are merged by default and that setting replaceAllOverwrites:true replaces the entire set. It does not cover all possible behavioral aspects (e.g., immediate effect, permissions needed), but the key nuance is well explained.

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 sentences, front-loaded with the main purpose. Every sentence is informative; the second sentence explains the critical nuance of permission overwrites without unnecessary detail. It is concisely scoped.

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 12 parameters and no output schema, the description addresses the most complex aspect (permission overwrites). It could mention that changes are applied immediately or require permissions, but the description is fairly complete for the tool's complexity. The merge behavior adds necessary context.

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 coverage is 100%, so the schema documents all parameters. The description adds value by explaining the merging behavior of permissionOverwrites in detail beyond the schema's description. This helps the agent understand the default behavior and the replaceAllOverwrites option.

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 'Edits an existing channel', specifying the verb and resource. It distinguishes from sibling tools like create_channel and delete_channel by focusing on editing an existing channel. The explanation of permission overwrites adds precise scope.

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 clear context on when to use this tool (to edit an existing channel) and explains the default merge behavior versus replaceAllOverwrites. However, it does not explicitly state when not to use it or mention alternative tools for related tasks like creating or deleting channels.

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