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

The description clearly indicates external writes via 'batch-publishes/verifies' and the confirm_external_writes parameter. It also mentions '0 customer credits', which is a behavioral side effect. Annotations (readOnlyHint=false, destructiveHint=false) are consistent with the description. No contradictions.

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 concise (two sentences), covers key aspects (permission, action, scope, cost) and is well-structured. It avoids redundancy and gets straight to the point. Minor jargon like 'five-offering fleet' is not expanded, but it does not detract from overall clarity.

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?

The description provides necessary context for an admin tool: who can use it, what it does, the scope, and the credit impact. The presence of an output schema and the confirm_external_writes parameter help complete the picture. Some domain terms (registries, five-offering fleet) are not explained, but they appear in sibling tool names and are likely understood in this context.

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% with clear per-parameter descriptions. The tool description adds no extra semantic value beyond the schema, but the schema itself is sufficient. The confirm_external_writes description in the schema already conveys the need for explicit approval, so no additional explanation is required.

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 (batch-publishes/verifies), resource (ready Field Agents to registries), and audience (Owner/admin only). It also adds cost ('Uses 0 customer credits') and mentions syncing the 'complete five-offering fleet'. While it does not explicitly name sibling tools, it is specific enough to distinguish it from general fleet management 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 lacks explicit guidance on when to choose this tool over alternatives (e.g., manage_virtuals_field_agent_fleet). It implies a batch/admin action but does not state conditions like 'use when you need to sync all ready agents' or 'use for admin operations only'. The cost note is the only implicit differentiator, but it is not framed as a usage guideline.

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