MCP (Model Context Protocol) - Opsional

MCP = standar buat hubungkan AI agent ke layanan/data eksternal (database, API, file system, browser, dll).

Link resmi: https://modelcontextprotocol.io

Daftar MCP Server Terpercaya:

• Official: https://github.com/modelcontextprotocol/servers
• Community: https://github.com/punkpeye/awesome-mcp-servers
• Registry: https://mcp.so

Apa Itu MCP?

┌─────────────┐     MCP      ┌──────────────────┐
│  AI Agent   │ ──────────►  │  External Service │
│  (OpenCode) │  protocol    │  (DB, API, Files) │
└─────────────┘              └──────────────────┘

Agent nggak perlu tau detail API masing-masing. Cukup pakai MCP tools.

Kapan Butuh MCP?

| Butuh MCP | Nggak Butuh MCP | |-----------|-----------------| | Akses database (Postgres, MySQL) | Cuma baca/tulis file lokal | | Panggil API eksternal (GitHub, Slack, Notion) | Project sederhana offline | | Browser automation (scrape, test) | Belajar dasar agent | | File system remote (SSH, FTP) | Model gratis OpenCode cukup |

Contoh MCP Server Populer

| Server | Fungsi | Link | |--------|--------|------| | filesystem | Baca/tulis file lokal | Official | | github | Issue, PR, repo ops | Official | | postgres | Query database | Official | | sqlite | Database lokal | Official | | fetch | HTTP request | Official | | puppeteer | Browser automation | Community | | memory | Persistent memory | Community |

Cara Tambah MCP ke OpenCode

Via OpenCode (mudah):

Tambah MCP server filesystem

Manual config:

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "filesystem": {
      "type": "local",
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-filesystem", "/path/to/folder"]
    },
    "github": {
      "type": "local",
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-github"],
      "env": {
        "GITHUB_PERSONAL_ACCESS_TOKEN": "your-token"
      }
    }
  }
}

⚠️ Risiko & Keamanan

MCP server = akses penuh ke resource kamu

• Server MCP bisa baca semua file di folder yang diizinkan
• Server remote bisa lihat data yang dikirim
• Token/API key di config = risiko kebocoran

Best practice:

1. Pakai MCP official/community yang populer
2. Batasi folder akses (jangan root /)
3. Gunakan read-only mode kalau bisa
4. Audit config secara berkala
5. Hapus MCP yang nggak dipakai

Kapan Mulai Pakai MCP?

Setelah:

• ✅ Agent pertama udah jalan
• ✅ Paham cara OpenCode kerja
• ✅ Butuh integrasi spesifik yg nggak bisa dikerjain manual

Belum perlu buru-buru. Fokus belajar dulu.

Selesai Tutorial Opsional! 🎉

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