sightline-5vu.pages.dev

{
  "name": "list_packs",
  "kind": "answer",
  "impl": "imperative",
  "description": "List the rule packs this page exposes (accessibility, seo, performance): id, label, what each checks, and which fixes require agent-authored content. Call this first to decide which packs to scan.",
  "inputSchema": {
    "type": "object",
    "properties": {},
    "additionalProperties": false
  }
}

{
  "name": "scan_page",
  "kind": "act",
  "impl": "imperative",
  "description": "Run Sightline’s audit over the live page with one or more rule packs (default: all). Returns stable issue IDs with packId, rule, impact, selector, and per-pack plus overall 0–100 score. Start every workflow here.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "wcagLevel": {
        "type": "string",
        "enum": [
          "A",
          "AA",
          "AAA"
        ],
        "default": "AA",
        "description": "Requested WCAG conformance target (accessibility pack)."
      },
      "packs": {
        "type": "array",
        "items": {
          "type": "string",
          "enum": [
            "accessibility",
            "seo",
            "performance"
          ]
        },
        "description": "Rule packs to run. Omit to run all."
      }
    },
    "additionalProperties": false
  }
}

{
  "name": "navigate_node",
  "kind": "act",
  "impl": "imperative",
  "description": "Navigate the shared preview to a CSS selector and return a short HTML/text snapshot. Use it to understand surrounding page context without changing anything.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "selector": {
        "type": "string",
        "description": "CSS selector inside the audited preview."
      }
    },
    "required": [
      "selector"
    ],
    "additionalProperties": false
  }
}

{
  "name": "highlight_issue",
  "kind": "act",
  "impl": "imperative",
  "description": "Move the human-visible focus overlay to one current audit issue. This creates shared visual context before discussing a repair.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "issueId": {
        "type": "string",
        "description": "A current ID returned by scan_page."
      }
    },
    "required": [
      "issueId"
    ],
    "additionalProperties": false
  }
}

{
  "name": "propose_fix",
  "kind": "act",
  "impl": "imperative",
  "description": "Create a selector-scoped patch for one current issue. Does not mutate the page. Where a fix needs human-facing words the AGENT must author them from the page context — image-alt → altText, label → labelText, aria-roles → role, document-title → title, meta-description → description, link-text → linkText. Call without that field first to receive a needs_input response with requiredField, guidance, html and nearbyText, then call again with it. Contrast, heading level, tabindex, lang, image dimensions and rel=noopener are measured by the engine from the live DOM. The returned patch carries evidence[] and authoredBy; pass its id to apply_fix.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "issueId": {
        "type": "string",
        "description": "A current ID returned by scan_page."
      },
      "altText": {
        "type": "string",
        "description": "image-alt only. Agent-authored description of what the image shows, ≤160 chars, plain text. Empty string marks the image decorative."
      },
      "labelText": {
        "type": "string",
        "description": "label only. Agent-authored visible label for the form field, ≤80 chars, in the page language."
      },
      "role": {
        "type": "string",
        "description": "aria-roles only. The valid ARIA role the control should have, chosen from its behaviour (e.g. button, link)."
      },
      "headingLevel": {
        "type": "integer",
        "minimum": 1,
        "maximum": 6,
        "description": "heading-order only. Optional override; omit to accept the level the engine derives from the document outline."
      },
      "title": {
        "type": "string",
        "description": "seo document-title only. Agent-authored page title, 10–60 chars, plain text, in the page language."
      },
      "description": {
        "type": "string",
        "description": "seo meta-description only. Agent-authored summary, 50–155 chars, plain text."
      },
      "linkText": {
        "type": "string",
        "description": "seo link-text only. Agent-authored descriptive link text (2–6 words) replacing generic text like \"click here\"."
      }
    },
    "required": [
      "issueId"
    ],
    "additionalProperties": false
  }
}

{
  "name": "re_scan",
  "kind": "act",
  "impl": "imperative",
  "description": "Re-run the focused audit after page changes. Returns the updated score, remaining issue IDs and next recommended barrier.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "scope": {
        "type": "string",
        "enum": [
          "page",
          "changed"
        ],
        "default": "changed",
        "description": "Label this as a full audit or post-change verification."
      }
    },
    "additionalProperties": false
  }
}