Find the US laws that apply to a question (Vaquill)

Liveby Vaquill

Searches the US Code, federal regulations, the Federal Register and the statutes, regulations and constitutions of all 50 states plus DC and territories for your plain-language question.

Returns up to 10 sections with citation, title, jurisdiction, an excerpt, the official source link, whether it is still good law and when it was last amended. Filter by state or by body of law. Not case law.

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Use Find the US laws that apply to a question (Vaquill) to look this up for me.

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How it works

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For developersSummary, tool id, API call and input schema

Find the US laws that apply to a question API by Vaquill, callable through Superpowers. It costs $0.060 per call, charged only when the call succeeds. Call it with one API key: POST /v1/run with "tool": "vaquill.search-law", or over MCP with run_tool.

Tool id
Price per call: $0.060 / call

Call it

Also over MCP as run_tool

curl -X POST https://superpowers.tools/v1/run \
  -H 'Authorization: Bearer $SP_KEY' \
  -d '{"tool":"vaquill.search-law","input":{"query":"agência de marketing"},"idempotency_key":"example-request-1"}'

Input

4 fields · 1 required

{
  "type": "object",
  "additionalProperties": false,
  "required": [
    "query"
  ],
  "properties": {
    "query": {
      "type": "string",
      "minLength": 3,
      "maxLength": 400,
      "description": "The legal question in plain words, e.g. \"consent required before sending marketing text messages\""
    },
    "state": {
      "type": "string",
      "pattern": "^[a-zA-Z]{2}$",
      "description": "Limit to one state (two-letter code, e.g. CA, TX, NY)"
    },
    "source": {
      "type": "string",
      "enum": [
        "us_code",
        "federal_regulations",
        "federal_register",
        "state_statutes",
        "state_regulations",
        "state_constitutions"
      ],
      "description": "Limit to one body of law"
    },
    "limit": {
      "type": "integer",
      "minimum": 1,
      "maximum": 10,
      "default": 5
    }
  }
}