Shot — canonical payload contracts

Render a public URL to a PNG/JPEG screenshot (Playwright + system Chromium).

Service id: shot
Docs: https://mcp.glc-rag.hu/guide/shot
Markdown docs: https://mcp.glc-rag.hu/guide/shot.md
MCP resource: docs://shot/payload

POST https://mcp.glc-rag.hu/mcp. Values below are type slots from the live input schema (e.g. <string, required>), not example data. Fill them from the user task.

RPC result wrapper: result.structuredContent is the object in Output schema. result.isError mirrors structuredContent.is_error.

screenshot

Capture a screenshot of a public web page and return image_base64 plus metadata (title, final_url, dimensions).

Required arguments: url

Request contract

{
  "jsonrpc": "2.0",
  "id": "<integer|string>",
  "method": "tools/call",
  "params": {
    "name": "screenshot",
    "arguments": {
      "url": "<string, required>",
      "width": "<integer, optional, default 1280, minimum 320, maximum 1920>",
      "height": "<integer, optional, default 720, minimum 240, maximum 1080>",
      "full_page": "<boolean, optional, default False>",
      "format": "<string, optional, enum png|jpeg, default 'png'>",
      "quality": "<integer, optional, minimum 1, maximum 100>",
      "wait_until": "<string, optional, enum load|domcontentloaded|networkidle|commit, default 'domcontentloaded'>",
      "timeout_ms": "<integer, optional, default 30000, minimum 1000, maximum 60000>"
    }
  }
}

Input schema

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "Public http(s) URL to capture"
    },
    "width": {
      "type": "integer",
      "minimum": 320,
      "maximum": 1920,
      "default": 1280
    },
    "height": {
      "type": "integer",
      "minimum": 240,
      "maximum": 1080,
      "default": 720
    },
    "full_page": {
      "type": "boolean",
      "default": false,
      "description": "Capture full scrollable page"
    },
    "format": {
      "type": "string",
      "enum": [
        "png",
        "jpeg"
      ],
      "default": "png"
    },
    "quality": {
      "type": "integer",
      "minimum": 1,
      "maximum": 100,
      "description": "JPEG quality (ignored for png)"
    },
    "wait_until": {
      "type": "string",
      "enum": [
        "load",
        "domcontentloaded",
        "networkidle",
        "commit"
      ],
      "default": "domcontentloaded"
    },
    "timeout_ms": {
      "type": "integer",
      "minimum": 1000,
      "maximum": 60000,
      "default": 30000
    }
  },
  "required": [
    "url"
  ],
  "additionalProperties": false
}

Output schema (structuredContent on success)

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string"
    },
    "image_url": {
      "type": "string"
    },
    "format": {
      "type": "string"
    },
    "bytes": {
      "type": "integer"
    }
  },
  "additionalProperties": true,
  "required": [
    "image_url"
  ]
}

Error object

{
  "type": "object",
  "required": [
    "error",
    "is_error"
  ],
  "properties": {
    "error": {
      "type": "string"
    },
    "is_error": {
      "type": "boolean",
      "const": true
    }
  },
  "additionalProperties": true
}

screenshot_status

Screenshot service health and Chromium path.

Required arguments: (none)

Request contract

{
  "jsonrpc": "2.0",
  "id": "<integer|string>",
  "method": "tools/call",
  "params": {
    "name": "screenshot_status",
    "arguments": {}
  }
}

Input schema

{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}

Output schema (structuredContent on success)

{
  "type": "object",
  "properties": {
    "ok": {
      "type": "boolean"
    }
  },
  "additionalProperties": true,
  "required": [
    "ok"
  ]
}

Error object

{
  "type": "object",
  "required": [
    "error",
    "is_error"
  ],
  "properties": {
    "error": {
      "type": "string"
    },
    "is_error": {
      "type": "boolean",
      "const": true
    }
  },
  "additionalProperties": true
}