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

With readOnlyHint, idempotentHint, destructiveHint=false and openWorldHint=false already supplied, the description adds the crucial behavioral fact that has no structured representation: the return value is procedural guidance, not ticket records, and the tool "opens nothing by itself." No output schema exists, so disclosing the return shape is genuinely additive. It stops short of saying how many steps are returned or whether the steps are Accelo-version-specific.

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 core sentence about returning step-by-step instructions and then using cotlet_browser_* is dense and front-loaded with value, but it is padded by "from ChatGPT, Claude or any AI agent" and by a trailing digression on Accelo's official API whose only concrete payload is a stamped check date. The most call-critical fact (this returns instructions, not tickets) arrives one sentence late, after a phrase that suggests it returns tickets.

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 tool whose safety profile is fully covered by annotations, the description supplies what an agent actually needs: that it produces guidance rather than data, and that cotlet_browser_* performs the real work. Missing only details an agent might want — whether the steps are read-only-safe to follow, and whether calling it repeatedly is meaningful — which are partly covered by idempotentHint.

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 (schema has an empty properties object), so there is nothing for the description to disambiguate; the baseline for a no-parameter tool is 4. The description correctly implies no input is required, and nothing in it contradicts the empty schema.

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 first sentence names a specific verb and resource ("List tickets") and scopes it to the user's own Accelo account, and the second sentence immediately corrects the likely misreading by stating it returns step-by-step instructions (screens, buttons, fields) rather than ticket data. It also separates itself from the executor tools by naming cotlet_browser_* as the follow-up. The name/behavior tension ("list" that does not list) keeps it below a 5.

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?

There is an implicit workflow directive — call this first, then perform the action with cotlet_browser_* tools in the Accelo Cloud Browser — which is real guidance beyond the schema. However, no explicit when-not or alternative is given, and the closing sentence about Accelo's official REST API and hosted MCP server being "built for questions about your data" muddies rather than clarifies when this tool is the right choice, since listing tickets is itself a data question.

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