MCP Installer

import { McpClientListEnum } from "../interfaces/mcp-client-list.type.js"; import { ISmitheryServerDetailResponse, ISmitheryServerListResponse, } from "../interfaces/response/smithery.api.response.js"; export class SmitheryClient { private readonly apiKey: string = process.env.SMITHERY_API_KEY ?? ""; private readonly baseUrl: string = "https://registry.smithery.ai"; private fetchClient: typeof globalThis.fetch; constructor() { this.fetchClient = (url: string | URL | Request, init?: RequestInit) => { return globalThis.fetch(url, { ...init, headers: { ...init?.headers, Authorization: `Bearer ${this.apiKey}`, }, }); }; } async getServerListOrNull( query: string ): Promise<ISmitheryServerListResponse | null> { const response = await this.fetchClient( `${this.baseUrl}/servers?q=${query}` ); if (response.status !== 200) { return null; } return response.json(); } async getServerDetail( qualifiedName: string ): Promise<ISmitheryServerDetailResponse> { const response = await this.fetchClient( `${this.baseUrl}/servers/${qualifiedName}` ); return response.json(); } async getServerDetailOrNull( qualifiedName: string ): Promise<ISmitheryServerDetailResponse | null> { const response = await this.fetchClient( `${this.baseUrl}/servers/${qualifiedName}` ); if (response.status === 404) { return null; } return response.json(); } async getInstallCommand( qualifiedName: string, client: McpClientListEnum, config: { [key: string]: any } | null ): Promise<string> { const escapedConfig = JSON.stringify(config).replace(/"/g, '\\"'); const configString = config ? `--config "${escapedConfig}"` : ""; return `npx -y @smithery/cli@latest install ${qualifiedName} --client ${client} ${configString}`; } }