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

Annotations already declare a safe, idempotent, closed-world read; the description adds ordering (newest first), cursor-based pagination semantics, row-level permission scoping for team rows, required credential scope, and the specific 403 failure for sandbox keys on unclaimed workspaces. That is materially more than the annotations convey.

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?

Three dense sentences, front-loaded with purpose, then filters/pagination, then access constraints; nothing is padding. The credential phrasing ('a Last Price credential') is slightly opaque but not wasteful.

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 7-optional-param read tool with no output schema, the description covers what the rows represent, ordering, paging, permissions, and the main failure mode. Error handling beyond the 403 and the empty-result case are the only notable omissions, and those are minor.

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 coverage is 100%, so the baseline would be 3, but the description adds workflow meaning for the cursor ('pass the returned cursor to page on') and clarifies the filter dimensions collectively. It still does not add format examples for since/action beyond what the schema states.

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 and resource ('Read the workspace audit log') plus ordering ('newest first') and content ('who did what and when, including who decided each approval'), so the agent knows exactly what comes back. It does not name the closest sibling, list_commerce_audit_events, so the workspace-vs-commerce distinction is left implicit.

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?

Gives concrete selection context: filter by action/subject/agent/since, page with the cursor, team rows visible only to owners and admins. It also front-loads prerequisites (audit read scope credential, claimed workspace, 403 otherwise) that determine whether calling is viable, though it never routes to an alternative tool.

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