MCP MeasureMCP Measure

índice observado

fetcher

The web capability layer for AI agents: render, extract, DNS, SSL, WHOIS & more via x402.

¿Debería usar esto?

Calidad y seguridad

A
Calidad de la descripción
99%
Integridad del esquema
92%
Calidad de los nombres
88%
Riesgo de envenenamiento
100%
Coincidencia de permisos
100%
Cumplimiento del protocolo
100%

Basado en el análisis automatizado de las definiciones de herramientas y el cumplimiento del protocolo.

Costo de contexto

~1,730Tokens (definiciones de herramientas)
~431 BTamaño de respuesta típico
Impacto moderado en la atención (1.35% del contexto de 128k)

Este es el número aproximado de tokens que se consumen cada vez que las herramientas del servidor se cargan en el contexto de un modelo. Los recuentos más altos reducen la atención disponible para otras tareas.

Instalar

Instalación con un clic

Agrega esto a tu archivo `claude_desktop_config.json`:

{
  "mcpServers": {
    "fetcher": {
      "url": "https://api.fetcher.cloud/mcp"
    }
  }
}

Puntos de conexión remotos

https://api.fetcher.cloud/mcpstreamable-http

Qué puede hacer

Inventario de herramientas

Herramientas (19)

🟢 Solo lectura🟡 Escritura🔴 Eliminación⚪ Desconocido
⚪render_page(url, screenshot, full_page)

Render a JavaScript page in a real browser; returns rendered HTML, text, optional screenshot. (browser; $0.02/call in USDC via x402, 10 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "Target URL or hostname."
    },
    "screenshot": {
      "type": "boolean"
    },
    "full_page": {
      "type": "boolean"
    }
  },
  "required": [
    "url"
  ]
}
⚪screenshot_page(url, full_page)

Screenshot a page (real browser) as a base64 PNG/JPEG. (browser; $0.02/call in USDC via x402, 10 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "Target URL or hostname."
    },
    "full_page": {
      "type": "boolean"
    }
  },
  "required": [
    "url"
  ]
}
🟢extract_content(url, mode)

Extract a page's main content as clean Markdown + text with metadata. (content; $0.005/call in USDC via x402, 30 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "Target URL or hostname."
    },
    "mode": {
      "type": "string",
      "enum": [
        "markdown",
        "text",
        "full"
      ]
    }
  },
  "required": [
    "url"
  ]
}
⚪resolve_url(url)

Follow a URL's full redirect chain; return final URL, hops, and metadata. (web-intel; $0.003/call in USDC via x402, 50 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "Target URL or hostname."
    }
  },
  "required": [
    "url"
  ]
}
⚪unfurl_url(url)

Link preview card (title, description, image, favicon) for any URL. (content; $0.003/call in USDC via x402, 50 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "Target URL or hostname."
    }
  },
  "required": [
    "url"
  ]
}
🟢get_feed(url, limit)

Discover and parse a site's RSS/Atom feed into JSON items. (content; $0.003/call in USDC via x402, 40 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "Target URL or hostname."
    },
    "limit": {
      "type": "number"
    }
  },
  "required": [
    "url"
  ]
}
🟢get_oembed(url)

Rich embed (oEmbed) data for a media URL (YouTube, Vimeo, X, Spotify...). (content; $0.002/call in USDC via x402, 50 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "Target URL or hostname."
    }
  },
  "required": [
    "url"
  ]
}
🟢find_favicon(host)

Find a site's best icon/logo. (web-intel; $0.002/call in USDC via x402, 50 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "host": {
      "type": "string",
      "description": "Target URL or hostname."
    }
  },
  "required": [
    "host"
  ]
}
🟢check_robots(host, path, user_agent)

Parse robots.txt; answer whether a user-agent may crawl a path; list sitemaps. (web-intel; $0.002/call in USDC via x402, 50 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "host": {
      "type": "string",
      "description": "Target URL or hostname."
    },
    "path": {
      "type": "string"
    },
    "user_agent": {
      "type": "string"
    }
  },
  "required": [
    "host"
  ]
}
🟢inspect_headers(url)

HTTP response headers + security-header analysis for a URL. (web-intel; $0.002/call in USDC via x402, 50 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "Target URL or hostname."
    }
  },
  "required": [
    "url"
  ]
}
⚪dns_lookup(host)

Full DNS record dump (A/AAAA/MX/NS/TXT/SOA/CAA/CNAME) for a host. (domain-dns; $0.003/call in USDC via x402, 50 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "host": {
      "type": "string",
      "description": "Target URL or hostname."
    }
  },
  "required": [
    "host"
  ]
}
⚪ssl_lookup(host)

TLS certificate details (issuer, expiry, SANs) via Certificate Transparency logs. (domain-dns; $0.004/call in USDC via x402, 40 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "host": {
      "type": "string",
      "description": "Target URL or hostname."
    }
  },
  "required": [
    "host"
  ]
}
⚪whois_lookup(domain)

Deep domain registration record via RDAP (registrar, dates, nameservers, DNSSEC). (domain-dns; $0.005/call in USDC via x402, 40 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string"
    }
  },
  "required": [
    "domain"
  ]
}
🟢extract_pdf(url, max_pages)

Extract text + metadata from a PDF URL (text-based PDFs). (content; $0.01/call in USDC via x402, 20 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "Target URL or hostname."
    },
    "max_pages": {
      "type": "number"
    }
  },
  "required": [
    "url"
  ]
}
⚪generate_qr(data, ecc)

Generate a QR code (SVG) for text or a URL. (utility; $0.002/call in USDC via x402, 50 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "data": {
      "type": "string"
    },
    "ecc": {
      "type": "string",
      "enum": [
        "L",
        "M",
        "Q",
        "H"
      ]
    }
  },
  "required": [
    "data"
  ]
}
⚪diff_pages(url_a, url_b)

Compare two pages (or one page vs its latest Wayback snapshot); return what changed. (content; $0.008/call in USDC via x402, 25 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "url_a": {
      "type": "string",
      "description": "Target URL or hostname."
    },
    "url_b": {
      "type": "string"
    }
  },
  "required": [
    "url_a"
  ]
}
🟢guard_inspect(text, deep)

Screen untrusted content (web pages, emails, tool output) for prompt-injection/manipulation before your agent trusts it. Returns a risk score + reasons; a screening signal, not a guarantee. (security; $0.005/call in USDC via x402, 30 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "text": {
      "type": "string",
      "description": "Untrusted content to screen."
    },
    "deep": {
      "type": "boolean",
      "description": "Use the ML classifier too (default true)."
    }
  },
  "required": [
    "text"
  ]
}
⚪guard_tx(to, data, value, chain, from)

Pre-sign wallet firewall: decode a transaction and flag unlimited approvals, setApprovalForAll, scam addresses, and spend-cap breaches before signing. Returns a risk verdict + reasons. (security; $0.008/call in USDC via x402, 25 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "to": {
      "type": "string"
    },
    "data": {
      "type": "string",
      "description": "Calldata (0x...)."
    },
    "value": {
      "type": "string",
      "description": "Native value in wei."
    },
    "chain": {
      "type": "string"
    },
    "from": {
      "type": "string"
    }
  },
  "required": [
    "to"
  ]
}
🟡check_domain(name, tlds, enriched)

Check domain availability across TLDs via RDAP. Set enriched=true for DNS, age, and Wayback history. (domain-dns; $0.004/call in USDC via x402, 50 free/day).

Esquema de entrada

{
  "type": "object",
  "properties": {
    "name": {
      "type": "string"
    },
    "tlds": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "enriched": {
      "type": "boolean"
    }
  },
  "required": [
    "name"
  ]
}

Prompts recomendados

find_specific
Find [specific item] using fetcher
Herramientas esperadas: find_favicon
research_workflow
Search for [topic], then get detailed information about the top results using fetcher
Herramientas esperadas: find_faviconget_feed
fetch_info
Fetch [information type] using fetcher
Herramientas esperadas: get_feed
search_research
Search for information about [topic] using fetcher
Herramientas esperadas: find_favicon
retrieve_data
Get details about [item] from fetcher
Herramientas esperadas: get_feed

Comunidad

Califica este servidor

Evidencia

Observaciones recientes

verificadoversión no registrada19 herramientas
verificadoversión no registrada19 herramientas