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devcer

open-payments-mcp

by devcer

Create Quote

create_quote

Generate a payment quote from a finalized grant session, specifying sender wallet, receiver, and debit or receive amount to determine transfer costs and details before sending.

Instructions

Create a quote using a finalized quote grant session.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
methodNo
receiverYes
debitAmountNo
receiveAmountNo
grantSessionIdYes
senderWalletAddressYes
Behavior2/5

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

With no annotations, the description must carry the full burden of behavioral disclosure. It only states the core action and prerequisite, with no mention of side effects, required permissions, error conditions, or return behavior. This leaves significant gaps for a tool that creates a quote.

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

Conciseness3/5

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

The description is a single, concise sentence, which is efficient. However, it is under-specified, omitting details about parameters and behavior, so the conciseness comes at the cost of clarity.

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?

For a tool with 6 parameters, nested objects, no output schema, and no annotations, the description is severely incomplete. It provides only a vague premise and leaves the agent without enough context to select and invoke the tool correctly.

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

Parameters1/5

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

Schema description coverage is 0%, and the description provides no explanation of any of the six parameters, including nested objects like debitAmount and receiveAmount. The description fails to compensate for the lack of parameter documentation, making it difficult to know what values to supply.

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 clearly states the action ('Create') and the resource ('a quote'), and specifies a key prerequisite ('using a finalized quote grant session'). This distinguishes it from read tools like get_quote, though it doesn't explicitly differentiate from other create tools.

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

Usage Guidelines3/5

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

The description implies when to use the tool by mentioning the need for a finalized quote grant session, but it does not provide explicit alternatives or exclusions. It lacks guidance on when not to use it or which sibling tool to choose instead.

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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