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check_minimum_wage

PAID ($0.05). Compliance verdict: is a salary at, above or below the country's statutory minimum wage? Returns verdict, margin, the statutory floor and the legal instrument it rests on. Honest statuses when no enforceable floor exists or the period doesn't match the floor's period (cross-period conversion is never guessed). Pass api_key if you have one; otherwise the response explains how to pay via x402. Optional receipt (boolean, default false): on a paid success, include an Ed25519 answer receipt at no extra USDC. An answer receipt is not a series certified extract (GET /v1/certified/{country}/{series} is $0.25 and is not an MCP tool) and is not legal advice. Verify with verify_answer_receipt against /certified/public-key.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
amountYesWage to check, in the country's own currency
periodYesPeriod the amount covers — must match the statutory floor's period
api_keyNoAPI key (bypasses x402; metered for invoicing)
countryYesISO country code
receiptNoDefault false. When true, a paid success includes an Ed25519 answer receipt (kind answer_receipt) at no extra USDC. Unpaid 402 and free refusals do not include one. Not a series certified extract (GET /v1/certified/{country}/{series} at $0.25; that SKU is not an MCP tool).

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • addedInput schema / properties / receipt
      Added value: +{
+  "default": false,
+  "description": "Default false. When true, a paid success includes an Ed25519 answer receipt (kind answer_receipt) at no extra USDC. Unpaid 402 and free refusals do not include one. Not a series certified extract (GET /v1/certified/{country}/{series} at $0.25; that SKU is not an MCP tool).",
+  "type": "boolean"
+}
  2. Changed1 schema field changed
    • changedInput schema / properties / country / enum
      Previous value: -[
-  "au",
-  "nz"
-]New value: +[
+  "au",
+  "fj",
+  "nz",
+  "pg",
+  "sb",
+  "to",
+  "vu",
+  "ws"
+]
  3. First observed

TDQS

A4.4/5.0
Behavior5/5

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

With no annotations, the description carries the full behavioral burden. It discloses paid status, honest statuses, refusal to guess cross-period conversions, receipt behavior, and the fact that output is not legal advice. This is unusually transparent.

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 front-loaded with the paid status and the core verdict, then flows to outputs, edge cases, payment, and verification. It is dense but each sentence earns its place; only slight redundancy with the schema keeps it from a 5.

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

Completeness5/5

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

Given there is no output schema, the description adequately explains return contents, edge cases, payment path, and receipt verification. An agent has enough context to invoke the tool and interpret its responses 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 coverage is 100%, so the baseline is 3. The description adds minor usage nuance around api_key fallback and period matching, but most parameter meaning already exists in the schema 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 states a specific compliance question: whether a salary is at, above, or below the statutory minimum wage, and lists the returned outputs (verdict, margin, statutory floor, legal instrument). This clearly distinguishes it from sibling tax, cost, and holiday tools.

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?

The intended use case is clear: check a salary against a country's statutory minimum wage, with explicit paid-access and api_key guidance. It does not explicitly compare against sibling tools like compute_income_tax, but it does clarify what the answer receipt is not and how to verify it.

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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