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

Annotations already mark it read-only, idempotent, open-world, and non-destructive; the description adds non-obvious context: no API key required, returns a matched subset, and routes the next action to start_job. No contradiction with annotations.

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?

Mostly economical and front-loaded, leading with 'No API key needed — call this now' and then giving filtering and output behavior. Slight redundancy between 'call this now' and 'right now' is minor and does not hurt clarity.

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?

Complete for a list/search tool with zero required parameters, full schema coverage, an output schema, and annotations covering safety. The only possible gap is that start_job is referenced but not listed among siblings, though this does not impair using find_paid_work correctly.

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?

All three parameters are fully described in the schema, and the description adds practical meaning—capability matching is case-insensitive, and testnet is preferred for cold-start. It also frames the response as both open jobs and a matched subset, which helps interpret the capability parameter.

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 action (find) and resource (paid work on the A2AWire job board), and clarifies the output as open jobs plus a matched subset. It is clearly distinguished from sibling tools by scope—searching job opportunities—rather than agent discovery or execution.

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?

Provides clear context: no API key needed, call now, filter by capability and network, prefer testnet for cold-start. It does not explicitly name alternatives or exclusion conditions, but the context is strong enough to guide selection for finding paid work.

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