Klaviyo MCP Server

Implementation Reference

• src/tools/segments.js:35-47 (handler)

  Handler function that retrieves a specific segment from the Klaviyo API using the provided ID and returns the segment data or an error.

  async (params) => {
    try {
      const segment = await klaviyoClient.get(`/segments/${params.id}/`);
      return {
        content: [{ type: "text", text: JSON.stringify(segment, null, 2) }]
      };
    } catch (error) {
      return {
        content: [{ type: "text", text: `Error retrieving segment: ${error.message}` }],
        isError: true
      };
    }
  },

• src/tools/segments.js:32-34 (schema)

  Zod schema for the tool input, requiring a string 'id' parameter for the segment ID.

  {
    id: z.string().describe("ID of the segment to retrieve")
  },

• src/tools/segments.js:31-49 (registration)

  Registers the 'get_segment' tool on the MCP server with schema, handler, and description.

    "get_segment",
    {
      id: z.string().describe("ID of the segment to retrieve")
    },
    async (params) => {
      try {
        const segment = await klaviyoClient.get(`/segments/${params.id}/`);
        return {
          content: [{ type: "text", text: JSON.stringify(segment, null, 2) }]
        };
      } catch (error) {
        return {
          content: [{ type: "text", text: `Error retrieving segment: ${error.message}` }],
          isError: true
        };
      }
    },
    { description: "Get a specific segment from Klaviyo" }
  );