marsgeo

Generate SEO structured data: JSON-LD schema, robots.txt, sitemaps, hreflang, Open Graph, meta.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
78%
Naming quality
100%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~651Tokens (tool definitions)
~451 BTypical response size
Moderate attention impact (0.51% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "marsgeo": {
      "url": "https://mars.cx/api/mcp"
    }
  }
}

Remote endpoints

https://mars.cx/api/mcpstreamable-http

What it can do

Tool inventory

Tools (9)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
⚪run_marsgeo_tool(tool, input)

Run any MarsGeo SEO tool by slug. Supported: faq-schema-generator, article-schema-generator, product-schema-generator, how-to-schema-generator, breadcrumb-schema-generator, organization-schema-generator, robots-txt-generator, sitemap-generator, hreflang-generator, meta-description-generator, open-graph-generator, serp-snippet-preview, keyword-density-analyzer, schema-validator, meta-tag-extractor, heading-extractor, json-ld-extractor.

Input Schema

{
  "type": "object",
  "properties": {
    "tool": {
      "type": "string"
    },
    "input": {
      "type": "object",
      "additionalProperties": true
    }
  },
  "required": [
    "tool"
  ]
}
⚪generate_faq_schema(items)

Generate FAQPage JSON-LD structured data from question/answer pairs.

Input Schema

{
  "type": "object",
  "properties": {
    "items": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "q": {
            "type": "string"
          },
          "a": {
            "type": "string"
          }
        },
        "required": [
          "q",
          "a"
        ]
      }
    }
  },
  "required": [
    "items"
  ]
}
⚪generate_product_schema(name, price, currency, availability, brand, ...)

Generate Product JSON-LD structured data.

Input Schema

{
  "type": "object",
  "properties": {
    "name": {
      "type": "string"
    },
    "price": {
      "type": "string"
    },
    "currency": {
      "type": "string"
    },
    "availability": {
      "type": "string"
    },
    "brand": {
      "type": "string"
    },
    "image": {
      "type": "string"
    }
  },
  "required": [
    "name",
    "price"
  ]
}
⚪generate_robots_txt(allow, disallow, sitemap)

Generate a robots.txt file with allow/disallow rules and an optional sitemap.

Input Schema

{
  "type": "object",
  "properties": {
    "allow": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "disallow": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "sitemap": {
      "type": "string"
    }
  }
}
🟢generate_sitemap(urls)

Generate an XML sitemap from a list of URLs.

Input Schema

{
  "type": "object",
  "properties": {
    "urls": {
      "type": "array",
      "items": {
        "type": "string"
      }
    }
  },
  "required": [
    "urls"
  ]
}
⚪generate_hreflang(defaultUrl, entries)

Generate reciprocal hreflang tags for a multilingual site.

Input Schema

{
  "type": "object",
  "properties": {
    "defaultUrl": {
      "type": "string"
    },
    "entries": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "lang": {
            "type": "string"
          },
          "url": {
            "type": "string"
          }
        },
        "required": [
          "lang",
          "url"
        ]
      }
    }
  }
}
⚪generate_open_graph(title, description, url, image, type)

Generate Open Graph social-preview meta tags.

Input Schema

{
  "type": "object",
  "properties": {
    "title": {
      "type": "string"
    },
    "description": {
      "type": "string"
    },
    "url": {
      "type": "string"
    },
    "image": {
      "type": "string"
    },
    "type": {
      "type": "string"
    }
  },
  "required": [
    "title"
  ]
}
⚪generate_meta_description(text)

Trim and format a paragraph into a meta description within length limits.

Input Schema

{
  "type": "object",
  "properties": {
    "text": {
      "type": "string"
    }
  },
  "required": [
    "text"
  ]
}
⚪validate_json_ld(json)

Validate JSON-LD and return the pretty-printed block plus detected @type.

Input Schema

{
  "type": "object",
  "properties": {
    "json": {
      "type": "string"
    }
  },
  "required": [
    "json"
  ]
}

Community

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Evidence

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