MCP Tools Reference: design.googleapis.com

Tool: search_fonts

Finds appropriate fonts matching categories and/or languages.

The following sample demonstrate how to use curl to invoke the search_fonts MCP tool.

Curl Request 
                  
curl --location 'https://design.googleapis.com/mcp' \
--header 'content-type: application/json' \
--header 'accept: application/json, text/event-stream' \
--data '{
  "method": "tools/call",
  "params": {
    "name": "search_fonts",
    "arguments": {
      // provide these details according to the tool's MCP specification
    }
  },
  "jsonrpc": "2.0",
  "id": 1
}'

Input Schema

Request message for the FindFonts method. Used to discover Google Fonts based on categories or supported languages.

FindFontsRequest

JSON representation 
{
  "categories": [
    string
  ],
  "languages": [
    string
  ],
  "platform": enum (Platform)
}
Fields
categories[]

string

Optional. One or more categories to filter font families (e.g., "serif", "sans-serif", "handwriting").
languages[]

string

Optional. Language tags in BCP47 format to filter fonts that support specific scripts (e.g., "en_Latn", "zh_Hans").
platform

enum (Platform)

Required. The platform in which the font family is going to be used.

Output Schema

Response message for the FindFonts method. Contains a list of font family names.

FindFontsResponse

JSON representation 
{
  "errorHelp": string,
  "fontFamilies": [
    string
  ]
}
Fields
errorHelp

string

Optional. Contextual help text or error descriptions if the query failed.
fontFamilies[]

string

The names of font families that match the search criteria (e.g., "Roboto", "Open Sans").

Tool Annotations

Destructive Hint: ❌ | Idempotent Hint: ✅ | Read Only Hint: ✅ | Open World Hint: ❌