performancem.co.uk

{
  "name": "scan_images_c2pa",
  "kind": "answer",
  "impl": "imperative",
  "description": "Scan every <img> on the current page for C2PA Content Credentials (content provenance metadata) and return a per-image summary: whether a manifest is present, the claim generator (the tool that produced or edited the image), the title, and the signer name. Use this to find which images on a page carry provenance data. Note: provenance is decoded but NOT cryptographically verified.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "limit": {
        "type": "integer",
        "minimum": 1,
        "maximum": 100,
        "default": 25,
        "description": "Maximum number of images to fetch and scan (default 25, max 100)."
      }
    },
    "required": []
  },
  "page": "/"
}

{
  "name": "inspect_image_c2pa",
  "kind": "answer",
  "impl": "imperative",
  "description": "Fetch a single image (by CSS selector or URL) and return its fully decoded C2PA manifest store: every manifest's claim, assertions (e.g. c2pa.actions edit history, schema.org authorship), and the COSE signature details (algorithm and signing-certificate identity). Provide exactly one of `selector` or `url`. Note: the signature is decoded but NOT cryptographically verified.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "selector": {
        "type": "string",
        "maxLength": 8192,
        "description": "CSS selector for an <img> element on the page."
      },
      "url": {
        "type": "string",
        "maxLength": 8192,
        "description": "Same-origin image URL (absolute same-origin, or relative to the current page) to fetch and inspect. Cross-origin URLs are rejected."
      }
    },
    "required": []
  },
  "page": "/"
}