Langfuse MCP Server

import { z } from 'zod'; import { LangfuseAnalyticsClient } from '../langfuse-client.js'; export const listPromptsSchema = z.object({ limit: z.number().optional().describe('Maximum number of prompts to return (default: 50)'), page: z.number().optional().describe('Page number for pagination'), name: z.string().optional().describe('Filter by prompt name (substring match)'), }); export type ListPromptsArgs = z.infer<typeof listPromptsSchema>; export async function listPrompts( client: LangfuseAnalyticsClient, args: ListPromptsArgs = {} ) { try { const promptsData = await client.listPrompts(args); return { content: [ { type: 'text' as const, text: JSON.stringify(promptsData, null, 2), }, ], }; } catch (error) { const errorMessage = error instanceof Error ? error.message : String(error); return { content: [ { type: 'text' as const, text: `Error listing prompts: ${errorMessage}`, }, ], isError: true, }; } }