data_purchase

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

Annotations indicate this is a mutation (readOnlyHint=false) with openWorldHint=true. The description adds only the route name but fails to disclose important behavioral traits like payment initiation, async polling, or side effects. Parameters like 'await_payment' and 'timeout_seconds' suggest complex behavior, but the description is silent.

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 a single sentence, which is concise but overly terse given the tool's complexity (12 parameters, no schema descriptions). It sacrifices clarity for brevity and does not earn its place by adding value beyond the name.

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?

Despite having an output schema (not shown), the tool has 12 parameters with zero description, no workflow explanation, and no mention of important concepts like the BulkClix purchase route's requirements. The description is inadequate for an agent to use this tool correctly in a realistic scenario.

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% (no parameter descriptions). The tool description adds no meaning to any of the 12 parameters, leaving agents without context for fields like 'bundle_id', 'network_id', or 'await_payment'. This severely impairs correct invocation.

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 clearly states the tool starts a data bundle purchase using the BulkClix route, specifying the verb ('Start'), resource ('data bundle purchase'), and method ('BulkClix purchase route'). It distinguishes from sibling tools like data_get_bundles or data_get_offers that list bundles or offers.

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 provides no guidance on when to use this tool versus alternatives, no prerequisites (e.g., need to fetch bundles first via data_get_bundles), and no exclusions. Users are left to infer context from the tool name and siblings.

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