Tool detail

bias-audit

Compares each group's positive-outcome rate to a reference group and returns rate differences and selection-rate ratios.

Categories: Agent trust safety

Use when

check selection-rate disparity between demographic groups
compute an adverse-impact ratio for a hiring or lending decision set

Not for

does not establish discrimination, fairness or legal compliance
not for intersectional or causal analysis

Inputs

POST JSON body: { groups: [{group_id,total_count,positive_count}] } (2-100 items, required); optional reference_group_id, minimum_selection_rate_ratio

Admitted input schema

{
  "type": "object",
  "properties": {
    "groups": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "group_id": {
            "type": "string",
            "minLength": 1,
            "maxLength": 128
          },
          "positive_count": {
            "type": "integer",
            "minimum": 0,
            "maximum": 1000000000
          },
          "total_count": {
            "type": "integer",
            "minimum": 1,
            "maximum": 1000000000
          }
        },
        "required": [
          "group_id",
          "total_count",
          "positive_count"
        ],
        "additionalProperties": false
      },
      "minItems": 2,
      "maxItems": 100
    },
    "minimum_selection_rate_ratio": {
      "type": "number",
      "minimum": 0,
      "maximum": 1
    },
    "reference_group_id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 128
    }
  },
  "required": [
    "groups"
  ],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://aialign.halowerk.com/v1/bias-audit

Payment

Protocol: x402
Listed price: 0.004 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: POST https://aialign.halowerk.com/v1/bias-audit
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z