Frankfurter Currency Exchange MCP

Frankfurter Currency Exchange MCP

Provides real-time and historical exchange rate data for JPY against major currencies using the Frankfurter API. It enables AI agents to perform currency conversions and generate detailed Japanese Yen fluctuation analysis reports.

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README

為替変動分析 AI エージェント(ADK + MCP デモ)

概要

Google Agent Development Kit (ADK) と Model Context Protocol (MCP) の連携を実演するデモプロジェクトです。

日本円(JPY)対 米ドル(USD)・人民元(CNY)・ユーロ(EUR)の為替レートを MCP Server 経由で取得し、Gemini 2.5-Flash が変動分析レポートを日本語で生成します。

アーキテクチャ

Vertex AI Agent Engine
┌──────────────────────────────────────────────────┐
│                                                  │
│  ADK Agent(Gemini 2.5-Flash)                    │
│  為替変動分析エージェント                          │
│       │ stdio                                    │
│       ▼                                          │
│  MCP Server(FastMCP / Python)                   │
│  ├─ get_jpy_latest_rates   最新レート取得         │
│  ├─ get_jpy_rate_history   期間変動推移取得       │
│  └─ convert_jpy            金額換算              │
│       │ HTTPS                                    │
│       ▼                                          │
│  Frankfurter API(外部・無料・APIキー不要)        │
└──────────────────────────────────────────────────┘

セットアップ

python -m venv .venv
source .venv/bin/activate
pip install -r requirements.txt

ローカルテスト

# ADK Web UI
adk web forex_agent

# ブラウザで http://localhost:8000 を開く

デプロイ

# GCP 認証
gcloud auth login
gcloud auth application-default login
gcloud config set project dsk-agentspace-trial

# GCS バケット作成(初回のみ)
gcloud storage buckets create gs://forex-mcp-agent-staging \
  --project=dsk-agentspace-trial \
  --location=us-central1

# デプロイ
python deploy.py

デプロイ後の動作確認

test_remote_agent.py 内の RESOURCE_NAME をデプロイ出力のリソース名に変更し、実行:

python test_remote_agent.py

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