@agenite/mcp/dist/index.cjs.map

A MCP implementation for Agenite

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{ Client } from '@modelcontextprotocol/sdk/client/index.js';\nimport { StdioClientTransport } from '@modelcontextprotocol/sdk/client/stdio.js';\nimport { SSEClientTransport } from '@modelcontextprotocol/sdk/client/sse.js';\nimport { Tool, JSONSchema } from '@agenite/tool';\nimport { MCPServerConfig, MCPToolCallResult } from './types';\n\ninterface ServerClient {\n  client: Client;\n  connected: boolean;\n  serverConfig: MCPServerConfig;\n}\n\nexport class MCPClient {\n  private clients: Map<string, ServerClient> = new Map();\n  private clientConfig: {\n    name: string;\n    version: string;\n  };\n\n  constructor(\n    private config: {\n      mcpServers: {\n        [name: string]: MCPServerConfig;\n      };\n      name?: string;\n      version?: string;\n    }\n  ) {\n    this.clientConfig = {\n      name: this.config.name || 'mcp-client',\n      version: this.config.version || '1.0.0',\n    };\n    \n    // Initialize clients for each server\n    Object.entries(this.config.mcpServers).forEach(([name, serverConfig]) => {\n      this.clients.set(name, {\n        client: new Client(this.clientConfig),\n        connected: false,\n        serverConfig\n      });\n    });\n  }\n\n  /**\n   * Connect to a specific MCP server\n   * @private\n   */\n  private async connect(serverName: string): Promise<void> {\n    const serverClient = this.clients.get(serverName);\n    if (!serverClient) {\n      throw new Error(`Server ${serverName} not found in configuration`);\n    }\n\n    if (serverClient.connected) return;\n\n    const { serverConfig } = serverClient;\n    let transport;\n\n    if ('url' in serverConfig) {\n      if (!serverConfig.url) {\n        throw new Error('URL is required for SSE transport');\n      }\n\n      transport = new SSEClientTransport(new URL(serverConfig.url));\n    } else if ('command' in serverConfig) {\n      // Default to stdio transport\n      if (!serverConfig.command || !serverConfig.args) {\n        throw new Error('Command and args are required for stdio transport');\n      }\n\n      transport = new StdioClientTransport({\n        command: serverConfig.command,\n        args: serverConfig.args,\n        env: serverConfig.env,\n      });\n    }\n\n    if (!transport) {\n      throw new Error('Transport is required');\n    }\n\n    await serverClient.client.connect(transport);\n    serverClient.connected = true;\n  }\n\n  /**\n   * Connect to all configured MCP servers\n   * @private\n   */\n  private async connectAll(): Promise<void> {\n    const serverNames = Array.from(this.clients.keys());\n    await Promise.all(serverNames.map(name => this.connect(name)));\n  }\n\n  /**\n   * Get available tools from a specific MCP server\n   */\n  public async getTools(serverName: string): Promise<Tool[]> {\n    const serverClient = this.clients.get(serverName);\n    if (!serverClient) {\n      throw new Error(`Server ${serverName} not found in configuration`);\n    }\n\n    if (!serverClient.connected) {\n      await this.connect(serverName);\n    }\n\n    const toolList = await serverClient.client.listTools();\n\n    return toolList.tools.map((toolSchema) => {\n      return new Tool({\n        name: `${serverName}.${toolSchema.name}`,\n        description: toolSchema.description || '',\n        inputSchema: toolSchema.inputSchema as JSONSchema,\n        execute: async ({ input }) => {\n          const result = await this.callTool(\n            serverName,\n            toolSchema.name,\n            input as Record<string, unknown>\n          );\n          return result;\n        },\n      });\n    });\n  }\n\n  /**\n   * Get available tools from all connected MCP servers as a flat array\n   * This is the preferred method for integration with Agent\n   */\n  public async getAllTools(): Promise<Tool[]> {\n    await this.connectAll();\n    const serverNames = Array.from(this.clients.keys());\n    const toolPromises = serverNames.map(name => this.getTools(name));\n    \n    const results = await Promise.all(toolPromises);\n    return results.flat();\n  }\n\n  /**\n   * Get available tools from all connected MCP servers organized by server\n   */\n  public async getAllToolsByServer(): Promise<{[serverName: string]: Tool[]}> {\n    await this.connectAll();\n    const serverNames = Array.from(this.clients.keys());\n    const toolsPromises = serverNames.map(async (name) => {\n      const tools = await this.getTools(name);\n      return [name, tools];\n    });\n    \n    const results = await Promise.all(toolsPromises);\n    return Object.fromEntries(results);\n  }\n\n  /**\n   * Call a tool on a specific MCP server\n   * @private This is internally used by the Tool execute functions\n   */\n  private async callTool(\n    serverName: string,\n    toolName: string,\n    input?: Record<string, unknown>\n  ): Promise<MCPToolCallResult> {\n    const serverClient = this.clients.get(serverName);\n    if (!serverClient) {\n      throw new Error(`Server ${serverName} not found in configuration`);\n    }\n\n    if (!serverClient.connected) {\n      await this.connect(serverName);\n    }\n\n    const result = await serverClient.client.callTool({\n      name: toolName,\n      arguments: input,\n    });\n\n    return {\n      isError: !!result.isError,\n      data: result.content as string,\n    };\n  }\n\n  /**\n   * Get configured server names\n   */\n  public getServerNames(): string[] {\n    return Array.from(this.clients.keys());\n  }\n}\n"]}