/**
* Wrap a specific MCP server with mcpwall
*/
import { readFile, writeFile } from 'node:fs/promises';
import { existsSync } from 'node:fs';
import { homedir } from 'node:os';
import { join } from 'node:path';
import type { McpServerConfig, McpConfigFile } from '../types.js';
const CONFIG_PATHS = [
() => join(homedir(), '.claude.json'),
() => join(process.cwd(), '.mcp.json'),
];
export async function runWrap(serverName: string): Promise<void> {
for (const getPath of CONFIG_PATHS) {
const configPath = getPath();
if (!existsSync(configPath)) continue;
let raw: string;
let config: McpConfigFile;
try {
raw = await readFile(configPath, 'utf-8');
config = JSON.parse(raw);
} catch {
continue;
}
if (!config.mcpServers?.[serverName]) continue;
const server = config.mcpServers[serverName];
if (server.command === 'npx' && server.args.includes('mcpwall')) {
process.stderr.write(`[mcpwall] ${serverName} is already wrapped in ${configPath}\n`);
return;
}
config.mcpServers[serverName] = {
command: 'npx',
args: ['-y', 'mcpwall', '--', server.command, ...server.args],
env: server.env,
};
await writeFile(configPath, JSON.stringify(config, null, 2), 'utf-8');
process.stderr.write(`[mcpwall] Wrapped ${serverName} in ${configPath}\n`);
process.stderr.write(` ${server.command} ${server.args.join(' ')}\n`);
process.stderr.write(` -> npx -y mcpwall -- ${server.command} ${server.args.join(' ')}\n`);
return;
}
process.stderr.write(`[mcpwall] Server "${serverName}" not found in any config file.\n`);
process.stderr.write(`Searched:\n`);
for (const getPath of CONFIG_PATHS) {
const p = getPath();
const exists = existsSync(p) ? '' : ' (not found)';
process.stderr.write(` - ${p}${exists}\n`);
}
process.exit(1);
}
