Method readServerConfigFromFile

src/services/mcp/McpHub.ts:1956–1999

* Helper method to read a server's configuration from the appropriate settings file * @param serverName The name of the server to read * @param source Whether to read from the global or project config * @returns The validated server configuration

(
		serverName: string,
		source: "global" | "project" = "global",
	)

	 * @returns The validated server configuration
	 */
	private async readServerConfigFromFile(
		serverName: string,
		source: "global" | "project" = "global",
	): Promise<z.infer<typeof ServerConfigSchema>> {
		// Determine which config file to read
		let configPath: string
		if (source === "project") {
			const projectMcpPath = await this.getProjectMcpPath()
			if (!projectMcpPath) {
				throw new Error("Project MCP configuration file not found")
			}
			configPath = projectMcpPath
		} else {
			configPath = await this.getMcpSettingsFilePath()
		}

		// Ensure the settings file exists and is accessible
		try {
			await fs.access(configPath)
		} catch (error) {
			console.error("Settings file not accessible:", error)
			throw new Error("Settings file not accessible")
		}

		// Read and parse the config file
		const content = await fs.readFile(configPath, "utf-8")
		const config = JSON.parse(content)

		// Validate the config structure
		if (!config || typeof config !== "object") {
			throw new Error("Invalid config structure")
		}

		if (!config.mcpServers || typeof config.mcpServers !== "object") {
			throw new Error("No mcpServers section in config")
		}

		if (!config.mcpServers[serverName]) {
			throw new Error(`Server ${serverName} not found in config`)
		}

		// Validate and return the server config
		return this.validateServerConfig(config.mcpServers[serverName], serverName)
	}

	/**
	 * Helper method to update a server's configuration in the appropriate settings file