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

Annotations already declare readOnlyHint=true and destructiveHint=false, so the safety profile is covered. The description adds the underlying endpoint (GET /php_functions/project_get_data.php), which is mild context but doesn't disclose return shape, error behavior, or permission requirements. Useful but not rich.

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, no wasted words, with the returned-fields summary front-loaded before the ID sourcing instruction.

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?

A single-parameter read tool with annotations covering safety; the description even enumerates what comes back (details, customer, managers, dates, status) in the absence of an output schema. Missing only minor detail like pagination or error cases, which are unlikely to apply here.

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 0%, so the description needs to carry the load — and it does: it tells the agent the parameter is a numeric project ID obtained from hirehop_search_jobs. It doesn't add format/validation detail (e.g., 1-based integer), but the essential meaning is supplied.

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?

Specific verb ('Read') plus resource ('a project's details') and an enumeration of the returned facets: customer, managers, dates and status. It implicitly differentiates from siblings like hirehop_get_job by naming hirehop_search_jobs as the source of the project ID, though it doesn't explicitly contrast with get_job.

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?

States the prerequisite clearly: 'Use its numeric project ID from hirehop_search_jobs', which gives the agent a workflow (search first, then get). No explicit when-not or alternative routing beyond that one reference.

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