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

The readOnlyHint annotation already declares the safety profile, and the description correctly reinforces it by specifying that no create/change/commit occurs against the edit. Beyond that, it says nothing about permissions, what the read costs, whether reading is idempotent across edit sessions, or how large the release payload is.

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 tight sentences with the read scope front-loaded and the lifecycle constraint immediately after. No filler, no restatement of the title.

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 read-only getter with no output schema, the description does the important work of summarizing the return payload (configuration plus active releases). The gap is the unexplained 'track' value domain, which matters for a required parameter with no schema description.

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%, so all three parameters rely entirely on the description. Only editId gets any meaning ('from an existing app edit'); 'track' is never explained (e.g., production vs. beta vs. a custom track name) and packageName is never mentioned at all, leaving the agent to infer its format from the regex.

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 gives a specific verb ('Read') and a specific resource ('track configuration and active releases'), scoped to 'an existing app edit'. That is enough to separate it from the mutation sibling update_track and from the broader list_tracks, even though neither sibling is named.

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 prerequisite ('Requires an editId') and the negative scope ('does not create, change, or commit an edit') tell an agent what state it must already be in and what this call will not do. It stops short of naming update_track or create_edit as the alternatives, so the routing is implied rather than explicit.

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