Langfuse MCP Server

import { z } from 'zod'; import { LangfuseAnalyticsClient } from '../langfuse-client.js'; export const getDatasetItemSchema = z.object({ itemId: z.string().min(1).describe('ID of the dataset item to retrieve'), }); export type GetDatasetItemArgs = z.infer<typeof getDatasetItemSchema>; export async function getDatasetItem( client: LangfuseAnalyticsClient, args: GetDatasetItemArgs ) { try { const data = await client.getDatasetItem(args.itemId); return { content: [{ type: 'text' as const, text: JSON.stringify(data, null, 2) }], }; } catch (error) { const errorMessage = error instanceof Error ? error.message : String(error); return { content: [{ type: 'text' as const, text: `Error: ${errorMessage}` }], isError: true, }; } }