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@quackai/q402-mcp

@quackai/q402-mcp

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by quackai-org
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q402_escrow_refund

Refund a locked escrow to the buyer after the release deadline or arbiter window, requiring user confirmation to execute the return.

Instructions

Permissionlessly refund a locked escrow to the BUYER - only valid AFTER the release deadline (or, if disputed, after the arbiter resolve window). Confirm with the user first (confirm:true).

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "escrowId": "<escrowId>",
      "confirm": "<confirm>"
    },
    "name": "q402_escrow_refund"
  }
}

Input Schema

NameRequiredDescriptionDefault
confirmYesMUST be true, only after the user explicitly confirmed this exact escrow action in chat.
escrowIdYesThe esc_... id from escrow_create.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.11.14

TDQS

A4.2/5.0
Behavior4/5

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

With no annotations provided, the description carries the full burden. It discloses that the action is permissionless, time-limited, and requires user confirmation. It doesn't detail side effects or error conditions, but the key behavioral traits are covered.

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

Conciseness5/5

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

Two concise sentences, front-loaded with the action and key constraints. Every word earns its place; no fluff or redundant details.

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

Completeness4/5

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

For a simple two-parameter tool with no output schema, the description covers the essential when, what, and confirmation steps. It could mention success/error behavior, but the overall context is sufficient for an agent to invoke it correctly.

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

Parameters3/5

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

Schema description coverage is 100%, so baseline is 3. The description reinforces the confirm parameter's meaning ('confirm with the user first') but doesn't add information beyond the schema's own clear descriptions.

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

Purpose5/5

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

The description uses a specific verb 'refund' with a clear resource ('locked escrow') and beneficiary ('to the BUYER'). It also states the timing condition ('after the release deadline'), distinguishing it from sibling tools like escrow_release or escrow_dispute.

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

Usage Guidelines4/5

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

Provides explicit timing constraints ('only valid AFTER the release deadline...') and a confirmation requirement ('Confirm with the user first'). It doesn't explicitly mention sibling alternatives, but the conditions are clear enough for an agent to know when to use this tool.

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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