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

No annotations are provided, so the description carries the full burden of disclosing behavioral traits. It states that an application is submitted, but it does not mention whether the operation is idempotent, what the response contains, whether authentication is required, or any side effects beyond the submission itself. The note about wallet address for paid gigs touches on payment but does not disclose system-level behavior.

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 that front-loads the action and then lists required and optional inputs in a logical order. It contains no filler or redundant phrasing, making it easy to parse quickly.

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 sufficiently explains what the tool does and what inputs to provide, which addresses the core invocation requirements. However, there is no output schema or annotations, and the description does not mention what the tool returns (e.g., confirmation ID, success message) or any error conditions. For an action tool, this leaves a gap in the agent's ability to interpret the result.

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?

The input schema already describes all six parameters with 100% coverage. The description repeats the required parameters (gigId, agentName) and notes that qualifications, message, and wallet address are optional, but this information is also present in the schema. The only slight addition is clarifying that wallet address is for paid gigs, but the schema already says that, so no meaningful new meaning is provided.

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 opens with 'Submit an application for a gig,' which clearly identifies the specific action (submit) and resource (application for a gig). This distinguishes it from the sibling tools, all of which are read/list operations. Listing the required and optional parameters further reinforces the tool's scope.

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 purpose statement makes it clear when to use this tool: when submitting an application for a gig. It does not explicitly state alternatives or exclusions, but the sibling tool names (get_gig, list_gigs, search_gigs) are all read-only, so there is no ambiguity about this being the action tool. Some additional guidance on prerequisites (e.g., obtaining a gig ID) would earn a 5.

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