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

Annotations already declare readOnlyHint=true, idempotentHint=true, openWorldHint=false and destructiveHint=false, so the safety profile is covered. The description adds genuinely useful context beyond that: the tool returns instructions rather than performing the export, and it "opens nothing by itself," which prevents an agent from assuming side effects. It does not describe the shape or length of the returned guidance, which keeps it at 4.

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?

Purpose and the no-side-effect caveat are front-loaded, which is good, but there is waste: "from ChatGPT, Claude or any AI agent" is marketing padding, and "Mangomint's official API: Mangomint has no public API and no developer docs" is a redundant fragment with an awkward colon label.

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 zero-parameter, no-output-schema guidance tool, the definition covers what is returned, what it does not do, and which tools execute the workflow. It leaves minor gaps, such as whether the returned steps are generic or tailored, but nothing an agent needs in order to call it correctly is missing.

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 tool takes zero parameters, so the baseline is 4. The description adds the relevant nuance that all specifics of the export (date range, format, fields) must come from the returned step-by-step guidance rather than from inputs.

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?

States a specific verb and resource ("Export sales report in ... Mangomint") and then corrects the likely misreading of the name by saying it "Returns how to do it in Mangomint step by step ... and opens nothing by itself." That distinguishes it from the cotlet_browser_* siblings, which perform the actual actions, though it does not explicitly contrast with other Mangomint-domain 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?

Gives clear operating context: call this first to get step-by-step screens/buttons/fields, then carry out the steps with the cotlet_browser_* tools in the user's Mangomint Cloud Browser. It also explains why the browser route is required (no public API, no developer docs). No explicit exclusions or named alternative tools, so it stops short of a 5.

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