finance_financial_advice_foreign_exchange_ca

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

The description adds one useful behavioral trait beyond the annotations: this is a passthrough wrapper that routes to a domain-agent dispatcher under JWT, tenant, and company scope, which signals the agent that actual behavior is delegated elsewhere. However, with destructiveHint=true and openWorldHint=true, the description carries a burden to hint at what kind of side effects the underlying action may produce (e.g., executing FX transactions, creating records), and it says nothing about effects or consequences. No contradiction with annotations, but the disclosure is thin for a destructive open-world tool.

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 compact, front-loaded with the action name, and has a clean docstring-like Args section. There is no bloat or redundant repetition of the schema. The structural presentation is good even though the substantive content is thin.

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 destructive, open-world dispatcher tool with 0% parameter schema coverage and a huge sibling set, the description is materially incomplete. It does not explain what the foreign exchange advice action does, when it is appropriate, what objectives fit, what structured inputs are valid, or what side effects to expect. The output schema exists, so return values are covered structurally, but an agent still cannot confidently decide when to select this tool or how to invoke it meaningfully.

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%, so the description must fully compensate, and it partially does: `message` is clarified as a free-text objective and `inputs` as an optional JSON string of structured inputs — both absent from the schema. However, the `inputs` parameter remains a black box with no indication of what structured inputs the underlying action accepts, and `message` gives no sense of what an effective objective looks like. The compensation is minimal and leaves both parameters underspecified.

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 "Run the finance domain agent action `financial_advice_foreign_exchange_ca`" which merely restates the tool name as an imperative. The remaining sentence explains the routing mechanism (domain-agent dispatcher under JWT/tenant/company scope) but never states what the action actually accomplishes for the user — no mention of what foreign exchange advice entails, what scenarios it addresses, or what the user receives. This is close to a tautology dressed up with implementation detail.

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 zero guidance on when to use this tool versus alternatives. The sibling list contains closely related tools (finance_financial_advice_foreign_exchange_au, life_insurance_ca/au, mortgage_finance_ca/au, personal_investments_ca/au, and the generic dispatch_domain_agent), yet the description names none of them and gives no selection criteria. An agent must infer the CA/Canada distinction purely from the name with no confirmation.

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