1  import fs from 'fs';
 2  import os from 'os';
 3  import path from 'path';
 4  
 5  const CONFIG_FILENAME = 'gnosis-mcp-config.json';
 6  
 7  export function writeMcpConfig(githubToken: string): string {
 8    const configPath = path.join(os.tmpdir(), CONFIG_FILENAME);
 9    const config = {
10      mcpServers: {
11        github: {
12          command: 'npx',
13          args: ['-y', '@modelcontextprotocol/server-github'],
14          env: {
15            GITHUB_PERSONAL_ACCESS_TOKEN: githubToken,
16          },
17        },
18      },
19    };
20    fs.writeFileSync(configPath, JSON.stringify(config, null, 2), { encoding: 'utf-8', mode: 0o600 });
21    return configPath;
22  }
23  
24  export function cleanupMcpConfig(configPath: string): void {
25    try {
26      if (fs.existsSync(configPath)) fs.unlinkSync(configPath);
27    } catch {
28      // best-effort cleanup
29    }
30  }