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dex_quote_exact_out

Calculate the minimum input token amount needed to receive a desired output amount on a DEX, given token pair and output quantity.

Instructions

Quote the least input required for a desired output amount

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pathNo
accountNoSigner account used to resolve its fee tier
max_hopsNo
token_inYes
token_outYes
amount_outYes
Behavior2/5

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

No annotations are provided, so the description must carry the full behavioral burden. It only states the tool 'quotes', implying a read-only operation, but does not disclose any side effects, authentication needs, rate limits, or output format.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence, making it very concise. It is front-loaded with the key purpose. However, it might be too minimal to be fully useful.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (6 parameters, no output schema, no annotations), the description is severely incomplete. It fails to explain the function's behavior, parameter roles, or return value.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With schema description coverage at only 17%, the description is expected to compensate by explaining parameters. However, it provides no additional meaning beyond the schema, leaving the purpose of most parameters unclear.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description 'Quote the least input required for a desired output amount' clearly states the tool's purpose with a specific verb ('Quote') and resource. It implies it computes input for a given output, distinguishing from the sibling 'dex_quote_exact_in' which does the reverse.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidelines on when to use this tool versus alternatives like dex_quote_exact_in. The description does not mention any prerequisites, context, or when it is appropriate to use.

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

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