Linkly MCP Server

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

With no annotations provided, the description carries full burden for behavioral disclosure. While 'unsubscribe' implies a destructive operation, the description doesn't specify whether this requires specific permissions, whether the action is reversible, what happens if the URL isn't subscribed, or any rate limits. For a mutation tool with zero annotation coverage, this is insufficient.

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, efficient sentence that communicates the core functionality without any wasted words. It's appropriately sized for a tool with one parameter and gets straight to the point.

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 destructive operation tool with no annotations and no output schema, the description is incomplete. It doesn't address important contextual information like what happens after unsubscription, whether there's confirmation feedback, error conditions, or how this interacts with sibling unsubscribe tools. The agent would need to guess about many behavioral aspects.

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 schema description coverage is 100%, with the single parameter 'url' clearly documented in the schema as 'The webhook URL to unsubscribe'. The description doesn't add any additional parameter information beyond what's already in the structured schema, so the baseline score of 3 is appropriate.

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 ('unsubscribe') and target ('webhook URL from workspace click events'), making the purpose immediately understandable. However, it doesn't differentiate from sibling tools like 'unsubscribe_link_webhook' - both involve unsubscribing webhooks but for different scopes (workspace vs link-specific).

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?

No guidance is provided about when to use this tool versus alternatives like 'unsubscribe_link_webhook' or what prerequisites might be needed. The description only states what the tool does, not when it should be selected over other unsubscribe options available in the sibling list.

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