Machine Works capability catalog

Detect what changed on a domain or website

Tell me what changed on a domain or website since a previous Machine Works snapshot: compare DNS, redirects, HTTP status, response headers and content hash. Requires priorSnapshotId from Domain Evidence for the identical URL. On-demand comparison; no recurring monitoring or semantic content diff.

$0.05 native Base USDC per successful settled call. On demand. Receive-only.

POST https://machine-works-evidence-candidates.weathered-dew-46b4.workers.dev/mnra/domain-endpoint-change-evidence

Request example

{
  "domain": "example.com",
  "priorSnapshotId": "YOUR_SERVER_SNAPSHOT_ID"
}

OpenAPI schemas · x402 discovery and payment terms

Free preflight

Check input compatibility and price before making a paid request. This reads the registry; it does not fetch the target or create a demand request.

POST https://machine-works-broker.weathered-dew-46b4.workers.dev/preflight
{
  "capability_id": "domain-endpoint-change-evidence",
  "task": "domain endpoint change evidence",
  "inputs": {
    "domain": "example.com",
    "priorSnapshotId": "YOUR_SERVER_SNAPSHOT_ID"
  },
  "economics": {
    "max_price_usd": 0.05
  }
}

Need a different outcome?

Use the free Broker to capture an unmet request. Requests express economic intent and do not authorize spending.

POST https://machine-works-broker.weathered-dew-46b4.workers.dev/requests
{
  "task": "your requested outcome",
  "inputs": {
    "domain": "example.com",
    "priorSnapshotId": "YOUR_SERVER_SNAPSHOT_ID"
  },
  "economics": {
    "max_price_usd": 0.05
  }
}

MCP · A2A · ARD · llms.txt