/**
* Utilities for managing Claude Code configuration
*/
import { existsSync } from 'fs';
import { mkdir, readFile, writeFile } from 'fs/promises';
import { join } from 'path';
import { getClaudeConfigDir } from './platform.js';
export interface McpServerConfig {
command: string;
args: string[];
env?: Record<string, string>;
}
/**
* Ensure Claude config directory exists
*/
export async function ensureClaudeConfigDir(): Promise<void> {
const claudeDir = getClaudeConfigDir();
if (!existsSync(claudeDir)) {
await mkdir(claudeDir, { recursive: true });
}
}
/**
* Check if MCP server is configured
*/
export async function isMcpServerConfigured(serverName: string): Promise<boolean> {
try {
const mcpConfigPath = join(getClaudeConfigDir(), 'mcp.json');
if (!existsSync(mcpConfigPath)) {
return false;
}
const content = await readFile(mcpConfigPath, 'utf-8');
const config = JSON.parse(content);
return !!(config.mcpServers && config.mcpServers[serverName]);
} catch (error) {
return false;
}
}
/**
* Add MCP server to Claude configuration
*/
export async function addMcpServer(
serverName: string,
serverConfig: McpServerConfig
): Promise<void> {
await ensureClaudeConfigDir();
const mcpConfigPath = join(getClaudeConfigDir(), 'mcp.json');
let config: any = {
mcpServers: {},
};
// Read existing config
if (existsSync(mcpConfigPath)) {
const content = await readFile(mcpConfigPath, 'utf-8');
config = JSON.parse(content);
if (!config.mcpServers) {
config.mcpServers = {};
}
}
// Add or update server
config.mcpServers[serverName] = serverConfig;
// Write back
await writeFile(mcpConfigPath, JSON.stringify(config, null, 2), 'utf-8');
}
/**
* Remove MCP server from Claude configuration
*/
export async function removeMcpServer(serverName: string): Promise<void> {
const mcpConfigPath = join(getClaudeConfigDir(), 'mcp.json');
if (!existsSync(mcpConfigPath)) {
return;
}
const content = await readFile(mcpConfigPath, 'utf-8');
const config = JSON.parse(content);
if (config.mcpServers && config.mcpServers[serverName]) {
delete config.mcpServers[serverName];
await writeFile(mcpConfigPath, JSON.stringify(config, null, 2), 'utf-8');
}
}
