panelica_domains_post_v1_domains_id_email_forwarders

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

Annotations already mark this as non-read-only, non-idempotent, and non-destructive. The description adds the required scope 'domains:write' and restates that it mutates server state, which is some added value but does not disclose richer behavioral context such as validation behavior, failure modes, or side effects.

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 compact and front-loaded, with the core action first and only relevant metadata following. Every line earns its place: action, HTTP method, category, required scope, and mutation flag.

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 mutating creation tool with an undeclared request body schema and no output schema, this description is incomplete. An agent cannot determine what fields are required to create an email forwarder, and the description simply defers to API docs without summarizing the body shape or behavior.

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%, giving the baseline of 3. However, the body parameter's schema is explicitly 'not statically declared' and allows arbitrary properties; the description adds no guidance about what fields an email forwarder body should contain, so it does not compensate for that gap.

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 states a specific action ('Create email forwarder') with a concrete resource, and the HTTP method and path are included. Even among many siblings, the verb plus endpoint clearly distinguishes this creation operation from related GET/DELETE forwarder tools.

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 implies its usage by saying 'Create email forwarder' and showing the POST endpoint, but it never explicitly says when to choose this tool over alternatives or mentions any prerequisites beyond the required scope. There is no 'use this when' guidance, though the purpose is reasonably clear.

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