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

No annotations exist, so the description carries the full burden. 'Fetch' implies a read-only operation and 'public' implies no auth is required, but the description says nothing about not-found/error behavior, rate limits, or whether the id namespace is shared with other tools — significant gaps for a no-annotation tool.

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?

A single complete sentence with zero filler and the resource front-loaded after the verb. It is efficient, though so terse that it borders on under-specification rather than model conciseness.

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?

With no annotations and no output schema, the description should describe what is returned and how failures surface. It does neither, leaving an agent unable to anticipate the response shape or error conditions for this fetch tool.

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 0% and the single 'id' parameter is only typed as a non-empty string. The description's 'by id' confirms the parameter identifies the agent, which is a small but real addition over the bare schema, though no format or scope (opaque id vs. name/slug) is clarified.

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 ('Fetch') and resource ('public agent') scoped to a single record ('one ... by id'). It implicitly distinguishes itself from the sibling list tool (veya_public_list_agents) via 'one', but never names that alternative, so it falls short of 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?

Usage is only implied: the word 'public' hints this is for unauthenticated/publicly-exposed agents, contrasting with veya_list_agents or veya_read_agent_onchain, but there is no explicit when-to-use, when-not-to-use, or prerequisite statement.

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