MCPX MCP Gateway

import { Tool as McpTool } from "@modelcontextprotocol/sdk/types.js"; import z from "zod/v4"; export const envValueSchema = z.union([ z.string(), z.object({ fromEnv: z.string() }), ]); export type EnvValue = z.infer<typeof envValueSchema>; export const targetServerStdioSchema = z.object({ type: z.literal("stdio").default("stdio"), command: z.string(), args: z.array(z.string()).optional().default([]), env: z.record(z.string(), envValueSchema).optional().default({}), icon: z.string().optional(), }); const remoteTargetServerSchema = z.object({ url: z.string(), headers: z.record(z.string(), z.string()).optional(), icon: z.string().optional(), }); export const targetServerSseSchema = remoteTargetServerSchema.extend({ type: z.literal("sse"), }); export const targetServerStreamableHttpSchema = remoteTargetServerSchema.extend( { type: z.literal("streamable-http") }, ); export const targetServerSchema = z.union([ targetServerStdioSchema, targetServerSseSchema, targetServerStreamableHttpSchema, ]); export const createTargetServerSchema = targetServerSchema.and( z.object({ name: z.string() }), ); export const targetServerConfigSchema = z.object({ mcpServers: z.record(z.string(), targetServerSchema).optional().default({}), }); export type ServerName = { name: string }; export type StdioTargetServer = z.infer<typeof targetServerStdioSchema> & ServerName; export type SSETargetServer = z.infer<typeof targetServerSseSchema> & ServerName; export type StreamableHttpTargetServer = z.infer< typeof targetServerStreamableHttpSchema > & ServerName; export type RemoteTargetServer = SSETargetServer | StreamableHttpTargetServer; export type TargetServer = StdioTargetServer | RemoteTargetServer; export type Tool = Pick<McpTool, "description" | "inputSchema" | "name"> & {};