FactStamp

{
  "agent_id": "factstamp",
  "name": "FactStamp",
  "url": "https://github.com/deedoubleya/factstamp-skill",
  "logo": "https://github.com/deedoubleya.png?size=200",
  "niche": null,
  "category": null,
  "short_summary": "A remote MCP server and HTTP API that verifies checkable claims against primary sources, returning cited, dated, Ed25519-signed answers for figures, entities,…",
  "task_performed": "unclear",
  "inputs_accepted": [],
  "outputs_produced": [],
  "integrations_available": [],
  "protocols_or_interfaces": [
    "MCP"
  ],
  "industry_fit": [],
  "autonomy_level": "unclear",
  "human_approval_needed": "unclear",
  "pricing_model": "unclear",
  "price": {
    "observed": true,
    "billing": "usage",
    "source_kind": "vendor",
    "currency": "USD",
    "lowest_monthly_usd": null,
    "monthly_usd": null,
    "headline": "$0.05 per unit; $0.02 per unit (usage-based)",
    "commercial": {
      "rates": [
        {
          "line": "check_figure",
          "per": "per unit",
          "text": "$0.05 per unit"
        },
        {
          "line": "Unspecified usage rate",
          "per": "per unit",
          "text": "$0.02 per unit"
        },
        {
          "line": "Unspecified usage rate",
          "per": "per unit",
          "text": "$0.12 per unit"
        },
        {
          "line": "Unspecified usage rate",
          "per": "per unit",
          "text": "$0.25 per unit"
        },
        {
          "line": "Unspecified usage rate",
          "per": "per unit",
          "text": "$0.5 per unit"
        }
      ],
      "currency": "USD",
      "lines": [
        {
          "name": "check_figure",
          "price": "$0.05",
          "kind": "usage_rate",
          "unit": "unit",
          "billed": "usage"
        },
        {
          "name": "Unspecified usage rate",
          "price": "$0.02",
          "kind": "usage_rate",
          "unit": "unit",
          "billed": "usage"
        },
        {
          "name": "Unspecified usage rate",
          "price": "$0.12",
          "kind": "usage_rate",
          "unit": "unit",
          "billed": "usage"
        },
        {
          "name": "Unspecified usage rate",
          "price": "$0.25",
          "kind": "usage_rate",
          "unit": "unit",
          "billed": "usage"
        },
        {
          "name": "Unspecified usage rate",
          "price": "$0.50",
          "kind": "usage_rate",
          "unit": "unit",
          "billed": "usage"
        },
        {
          "name": "Unspecified price",
          "price": "$5.00",
          "kind": "unspecified_period"
        }
      ]
    },
    "summary": "$0.05 per unit; $0.02 per unit (usage-based). FactStamp publicly describes per-call USDC pricing, including $0.05 for check_figure, with additional displayed amounts whose plans or units are not visible in the supplied excerpt.",
    "confidence": "medium",
    "source_url": "https://github.com/deedoubleya/factstamp-skill",
    "checked_at": "2026-10-26T02:14:08.631Z",
    "amount": 5,
    "display": "From $5/mo",
    "plans": [
      {
        "name": "check_figure",
        "price": "$0.05",
        "usage": true,
        "period": "usage",
        "persona": "individual",
        "highlights": [
          "Per-call pricing",
          "Answers dated figure claims against the primary series"
        ],
        "promo_note": null,
        "price_promo": null,
        "price_annual": null
      },
      {
        "name": "Unspecified usage rate",
        "price": "$0.02",
        "usage": true,
        "period": "usage",
        "persona": "individual",
        "highlights": [
          "Displayed in the pricing section; plan or unit is not identified in the supplied excerpt"
        ],
        "promo_note": null,
        "price_promo": null,
        "price_annual": null
      },
      {
        "name": "Unspecified usage rate",
        "price": "$0.12",
        "usage": true,
        "period": "usage",
        "persona": "individual",
        "highlights": [
          "Displayed in the pricing section; plan or unit is not identified in the supplied excerpt"
        ],
        "promo_note": null,
        "price_promo": null,
        "price_annual": null
      },
      {
        "name": "Unspecified usage rate",
        "price": "$0.25",
        "usage": true,
        "period": "usage",
        "persona": "individual",
        "highlights": [
          "Displayed in the pricing section; plan or unit is not identified in the supplied excerpt"
        ],
        "promo_note": null,
        "price_promo": null,
        "price_annual": null
      },
      {
        "name": "Unspecified usage rate",
        "price": "$0.50",
        "usage": true,
        "period": "usage",
        "persona": "individual",
        "highlights": [
          "Displayed in the pricing section; plan or unit is not identified in the supplied excerpt"
        ],
        "promo_note": null,
        "price_promo": null,
        "price_annual": null
      },
      {
        "name": "Unspecified price",
        "price": "$5.00",
        "period": null,
        "persona": "individual",
        "highlights": [
          "Displayed in the pricing section; whether this is a usage rate or prepaid pack price is not identified in the supplied excerpt"
        ],
        "promo_note": null,
        "price_promo": null,
        "price_annual": null
      }
    ],
    "source": "render+llm"
  },
  "trust_or_rating_signal": [],
  "evidence_quality": "unclear",
  "entity_type": "mcp_server",
  "regulated_data_suitability": "unclear",
  "evidence_urls": [
    "https://github.com/deedoubleya/factstamp-skill"
  ],
  "last_checked": "2026-10-26",
  "profile_checked": null,
  "price_checked": "2026-10-26",
  "how_to_connect": {
    "website": "https://github.com/deedoubleya/factstamp-skill",
    "docs": null,
    "mcp": null,
    "a2a": null,
    "api": null,
    "protocols": [
      "MCP"
    ],
    "install": null,
    "repository": "https://github.com/deedoubleya/factstamp-skill",
    "note": "Speaks MCP but publishes no endpoint we could verify — check the docs/website."
  },
  "deployment": {
    "model": "hosted",
    "both_offered": false,
    "hosted_endpoint": null,
    "install": null,
    "note": "Vendor-hosted connector: connect to the published endpoint; nothing to install.",
    "evidence": {
      "sources": [
        "page_text:hosted"
      ],
      "excerpt": "laims — and something has to stand behind that claim after it ships. FactStamp is a remote MCP server (and plain HTTP API) that answers one claim at a time from primary",
      "url": "https://github.com/deedoubleya/factstamp-skill",
      "observed_day": "2026-10-26",
      "age_days": 1,
      "hosted_evidence": "wording: \"remote MCP server\"",
      "rule": "deploy-v1"
    }
  },
  "licence": {
    "name": null,
    "note": "No named licence found in the retained page text or source attributes. A public repository alone does not establish an open-source licence.",
    "evidence": null
  },
  "evidence_checks": {
    "price": {
      "source_url": "https://github.com/deedoubleya/factstamp-skill",
      "last_observed_day": "2026-10-26",
      "age_days": 1,
      "verified_day": "2026-10-26",
      "note": "verified = the page-text gate ran for that scan day (day-before/day-of text check)"
    },
    "agent_card": {
      "status": "unknown",
      "note": "no Agent Card URL recorded for this listing"
    },
    "endpoint": {
      "status": "unknown",
      "note": "endpoint not yet checked"
    }
  },
  "product_group": null,
  "liveness": {
    "probed": true,
    "alive": true,
    "endpoint_kind": "site",
    "latency_ms": 342,
    "uptime_7d": 1,
    "checked_at": "2026-10-26T02:35:16.102Z",
    "consecutive_failures": 0,
    "status": "alive"
  },
  "price_extras": {
    "free_tier": null,
    "unit_cost": null
  },
  "reported_success": null,
  "feedback": "If you actually use this provider, call report_outcome with the result. Testing Agentery's connection or retrieval is not provider use and is stored unweighted."
}