Signal Desk MCP

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "url"
  ],
  "properties": {
    "url": {
      "type": "string",
      "format": "uri",
      "description": "Public http(s) page to render. Private, local and cloud-metadata addresses are refused."
    },
    "width": {
      "type": "integer",
      "maximum": 1920,
      "minimum": 320,
      "description": "Viewport width in px, default 1280."
    },
    "format": {
      "enum": [
        "markdown",
        "screenshot",
        "pdf"
      ],
      "type": "string",
      "default": "markdown",
      "description": "markdown: the page's main content as text. screenshot: a PNG image. pdf: a PDF document."
    },
    "height": {
      "type": "integer",
      "maximum": 1920,
      "minimum": 320,
      "description": "Viewport height in px, default 800."
    },
    "fullPage": {
      "type": "boolean",
      "description": "screenshot: capture the whole page, up to 8000px tall."
    },
    "selector": {
      "type": "string",
      "maxLength": 256,
      "description": "CSS selector. markdown: convert only that element. screenshot: capture only that element."
    },
    "pdfFormat": {
      "enum": [
        "A4",
        "Letter"
      ],
      "type": "string",
      "description": "pdf: paper size, default A4."
    },
    "timeoutMs": {
      "type": "integer",
      "maximum": 25000,
      "minimum": 1000,
      "description": "Navigation timeout, default 15000."
    },
    "waitUntil": {
      "enum": [
        "load",
        "domcontentloaded",
        "networkidle0",
        "networkidle2"
      ],
      "type": "string",
      "description": "When the page counts as loaded, default networkidle2."
    },
    "waitForSelector": {
      "type": "string",
      "maxLength": 256,
      "description": "Wait until this CSS selector exists before capturing."
    }
  },
  "additionalProperties": false
}

{
  "title": "Render a web page",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": false,
  "destructiveHint": false
}

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "data",
    "contentType"
  ],
  "properties": {
    "data": {
      "type": "string",
      "minLength": 1,
      "description": "The file, base64 (standard or URL-safe alphabet). Up to 10485760 bytes decoded."
    },
    "filename": {
      "type": "string",
      "maxLength": 128,
      "minLength": 1,
      "description": "Suggested download name. Never used as the storage key."
    },
    "ttlHours": {
      "type": "integer",
      "maximum": 168,
      "minimum": 1,
      "description": "Hours the download URL keeps working, default 24."
    },
    "contentType": {
      "type": "string",
      "pattern": "^[A-Za-z0-9!#$&^_.+-]+\\/[A-Za-z0-9!#$&^_.+-]+",
      "maxLength": 128,
      "description": "MIME type the file is served with, e.g. image/png or application/pdf. Executable types are refused; text/html and image/svg+xml are served as attachments."
    }
  },
  "additionalProperties": false
}

{
  "title": "Host a file",
  "readOnlyHint": false,
  "openWorldHint": true,
  "idempotentHint": false,
  "destructiveHint": false
}

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "url"
  ],
  "properties": {
    "at": {
      "type": "string",
      "description": "Absolute time with a timezone, e.g. 2026-10-28T15:00:00Z, 60 seconds to 7 days ahead. Give this or delaySeconds, not both."
    },
    "url": {
      "type": "string",
      "format": "uri",
      "description": "Public http(s) URL to call. Private, local and cloud-metadata addresses are refused, when scheduled and again when fired. Redirects are reported, not followed."
    },
    "body": {
      "description": "Any JSON value. Present: the callback is a POST with this as its JSON body (up to 65536 bytes). Absent: a GET."
    },
    "headers": {
      "type": "object",
      "description": "Extra request headers, up to 16, printable ASCII values up to 1024 characters. host, content-length and connection-level headers are refused.",
      "additionalProperties": {
        "type": "string"
      }
    },
    "delaySeconds": {
      "type": "integer",
      "maximum": 604800,
      "minimum": 60,
      "description": "Seconds from now, 60 to 604800. Give this or at, not both."
    }
  },
  "additionalProperties": false
}

{
  "title": "Schedule a callback",
  "readOnlyHint": false,
  "openWorldHint": true,
  "idempotentHint": false,
  "destructiveHint": false
}

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "limit": {
      "type": "integer",
      "maximum": 200,
      "minimum": 1,
      "description": "Newest first (default 50)."
    },
    "creator": {
      "type": "string",
      "description": "Only launches by this creator wallet (base58)."
    },
    "minutes": {
      "type": "integer",
      "maximum": 1440,
      "minimum": 1,
      "description": "Look back this many minutes (default 10)."
    },
    "trendOnly": {
      "type": "boolean",
      "description": "Only launches matched to a live off-chain trend."
    }
  },
  "additionalProperties": false
}

{
  "title": "Recent pump.fun launches, trend-matched",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": false,
  "destructiveHint": false
}

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "hours": {
      "type": "integer",
      "maximum": 48,
      "minimum": 1,
      "description": "Topics seen within this many hours (default 6)."
    },
    "limit": {
      "type": "integer",
      "maximum": 100,
      "minimum": 1,
      "description": "Strongest first (default 25)."
    },
    "source": {
      "enum": [
        "google_trends",
        "polymarket"
      ],
      "type": "string",
      "description": "Omit for both sources."
    },
    "minScore": {
      "type": "integer",
      "minimum": 0,
      "description": "Drop topics below this score."
    }
  },
  "additionalProperties": false
}

{
  "title": "Trending topics, cross-source",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": false,
  "destructiveHint": false
}