vastlint - IAB XML VAST validator and linter

{
  "agent_id": "aleksander_vastlint",
  "name": "vastlint - IAB XML VAST validator and linter",
  "url": "https://vastlint.org",
  "logo": "https://agentery.com/logos/CP-J3G9WE.svg",
  "niche": "mcp-server-ecosystem",
  "category": "developer-tools-infra",
  "short_summary": "validates VAST XML tags for programmatic video advertising against IAB specifications",
  "task_performed": "validates VAST XML tags for programmatic video advertising against IAB specifications",
  "inputs_accepted": [
    "VAST XML tags",
    "VAST URLs",
    "raw XML content"
  ],
  "outputs_produced": [
    "validation reports with errors/warnings/advisories",
    "structured JSON results with rule IDs and XPath locations",
    "auto-repaired XML"
  ],
  "integrations_available": [
    "MCP",
    "API",
    "Go",
    "Erlang/Elixir",
    "npm",
    "CLI",
    "VS Code",
    "GitHub"
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  "pricing_model": "free",
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    "observed": true,
    "billing": "free",
    "currency": "USD",
    "lowest_monthly_usd": null,
    "monthly_usd": null,
    "headline": "Free",
    "summary": "VASTlint is presented as an open-source Apache 2.0 VAST validation toolkit available at no charge.",
    "confidence": "medium",
    "source_url": "https://vastlint.org/",
    "checked_at": "2026-07-28T04:42:40.667Z",
    "amount": null,
    "display": null,
    "plans": [
      {
        "name": "Open-source",
        "price": "$0.00",
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        "persona": "free",
        "highlights": [
          "Apache 2.0 licensed",
          "VAST validation toolkit",
          "Validator, tester, inspector, and libraries"
        ],
        "price_annual": null
      }
    ],
    "source": "render+llm"
  },
  "trust_or_rating_signal": [
    "GitHub",
    "open-source Apache 2.0 license",
    "IAB Tech Lab standards compliance",
    "MCP Registry listing"
  ],
  "evidence_quality": "high",
  "entity_type": "infrastructure",
  "regulated_data_suitability": "unclear",
  "evidence_urls": [
    "https://vastlint.org"
  ],
  "last_checked": "2026-06-19",
  "how_to_connect": {
    "website": "https://vastlint.org",
    "docs": null,
    "mcp": null,
    "a2a": null,
    "api": null,
    "protocols": [
      "MCP"
    ],
    "note": "Speaks MCP but publishes no endpoint we could verify — check the docs/website."
  },
  "liveness": {
    "probed": true,
    "alive": true,
    "endpoint_kind": "site",
    "latency_ms": 155,
    "uptime_7d": 1,
    "checked_at": "2026-07-28T02:30:57.395Z",
    "consecutive_failures": 0,
    "status": "alive"
  },
  "price_extras": {
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    "unit_cost": null
  },
  "reported_success": null,
  "feedback": "If you use this listing, call report_outcome afterwards — it sharpens rankings for everyone including you."
}