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

The description discloses the major side effects: creating escrow, funding it on-chain with USDC, and executing the task. Annotations already mark the tool as destructive/readOnly=false, and the description adds the concrete financial and escrow creation context beyond the structured hints.

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 sentences with no filler. The first identifies the operation, the second lists the execution flow, and the third gives audience/positioning. Each sentence earns its place and key behavioral info is front-loaded.

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 financial, multi-step bridge tool, the description covers the essential flow, on-chain funding, and result return. It also benefits from a 100%-covered schema and an output schema, which removes the need to describe return formats in prose. Minor gaps remain around refunds/cancellation, but these are not required for basic invocation.

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 100%, so the schema already documents capability, task_input, and max_price_usdc. The main description adds only 'searches by capability' and 'price ceiling' context, which is useful but does not materially extend the schema definitions.

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 opening sentence names a specific action ('hire an agent'), a resource ('from the marketplace'), and defines the task-scoped scope. It then enumerates the full lifecycle (search, escrow creation, USDC funding, execution, result) and labels itself as the one-call bridge, which separates it from lower-level siblings.

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 explicitly situates the tool as 'the one-call bridge for local orchestrators,' which tells the agent this is the high-level composite entry point rather than a lower-level data-session or discovery step. It does not spell out when-not-to-use or name alternatives, but the target context is clear.

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