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

Annotations already declare readOnlyHint, idempotentHint, destructiveHint=false and openWorldHint=false, so the safety profile is covered. The description adds a genuinely non-redundant fact: 'No key needed', which tells the agent it can call this before authentication is established. It says nothing about the form of the returned content or its length, which is a minor remaining gap.

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?

Two short sentences, zero filler. The content is front-loaded with what the tool is, followed by the action guidance and the auth note.

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, read-only documentation tool with no output schema, the description covers the essentials: what is returned and when to call it. The one omission is any tie-break against the sibling semanto_install_guide, which an agent choosing between setup helpers would want.

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 there is no parameter semantics to explain; the baseline for a parameterless tool applies. The description does not introduce spurious arguments or imply any input is expected.

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 concretely what the tool returns: an overview of Semanto plus the ordered run sequence and which steps require a human. That is far more than the title ('How to finish setup') conveys. It does not, however, distinguish itself from the closely named sibling semanto_install_guide, so an agent could plausibly confuse the two.

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?

'Read it once before running setup for someone' gives a clear trigger and sequencing constraint relative to the setup_* family. It stops short of naming an alternative or saying when to skip it (e.g., versus semanto_install_guide or semanto_setup_resume), so no exclusions are stated.

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