First running version

reference_impl/mcplets/media-pool/email/index.ts

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+/**
+ * Email MCPlet
+ * pool: media-pool | mcpletType: action | visibility: [app] | auth: passkey workflow
+ *
+ * visibility: ['app'] means this tool is NOT exposed to the LLM directly.
+ * It is invoked only through the Host-controlled action-dispatch path
+ * (Dispatch Agent) after Passkey authentication.
+ * enforcement: 'workflow' — one Passkey ceremony per Director cycle (contextId),
+ * not one per individual email send.
+ */
+import { MCPletServer } from '../../mcplet-server.js';
+
+const MOCK_SERVICE_URL = process.env.MOCK_SERVICE_URL ?? 'http://localhost:5100';
+
+const server = new MCPletServer('email-mcplet');
+
+server.registerTool({
+  name: 'send_email',
+  description: '指定した宛先にメールを送信します。承認済みキャンペーン通知や予約リマインダーの送信に使用します。',
+  inputSchema: {
+    type: 'object',
+    properties: {
+      to: {
+        type: 'string',
+        description: '送信先メールアドレス',
+      },
+      subject: {
+        type: 'string',
+        description: 'メール件名',
+      },
+      body: {
+        type: 'string',
+        description: 'メール本文',
+      },
+      customerId: {
+        type: 'string',
+        description: '顧客ID (任意)',
+      },
+    },
+    required: ['to', 'subject', 'body'],
+  },
+  mcpletType: 'action',
+  pool: 'media-pool',
+  visibility: ['app'],
+  auth: {
+    required: 'passkey',
+    enforcement: 'workflow',
+    promptMessage: 'このキャンペーンのメール一括送信を承認してください',
+  },
+  handler: async (args, authPayload) => {
+    // In production: verify authPayload against FIDO2 server here.
+    // For demo: log and proceed if authPayload present.
+    if (authPayload) {
+      console.error(`[email-mcplet] Auth verified (challenge: ${authPayload['challenge'] ?? 'n/a'})`);
+    }
+
+    const res = await fetch(`${MOCK_SERVICE_URL}/email/send`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({
+        to: args['to'],
+        subject: args['subject'],
+        body: args['body'],
+      }),
+    });
+    if (!res.ok) throw new Error(`Email service returned ${res.status}`);
+    return res.json();
+  },
+});
+
+await server.listen();

reference_impl/mcplets/media-pool/site-access/index.ts

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+/**
+ * サイトアクセス MCPlet
+ * pool: media-pool | mcpletType: read | visibility: [model]
+ */
+import { MCPletServer } from '../../mcplet-server.js';
+
+const MOCK_SERVICE_URL = process.env.MOCK_SERVICE_URL ?? 'http://localhost:5100';
+
+const server = new MCPletServer('site-access-mcplet');
+
+server.registerTool({
+  name: 'read_site_stats',
+  description: 'EPARKサイトのアクセス統計を取得します。予約ページの閲覧数やコンバージョン率などを確認できます。',
+  inputSchema: {
+    type: 'object',
+    properties: {
+      period: {
+        type: 'string',
+        enum: ['last_7_days', 'last_30_days', 'today'],
+        description: '集計期間',
+      },
+    },
+    required: [],
+  },
+  mcpletType: 'read',
+  pool: 'media-pool',
+  visibility: ['model'],
+  handler: async (_args) => {
+    const res = await fetch(`${MOCK_SERVICE_URL}/site/stats`);
+    if (!res.ok) throw new Error(`Site stats API returned ${res.status}`);
+    return res.json();
+  },
+});
+
+await server.listen();

reference_impl/mcplets/media-pool/sns/index.ts

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+/**
+ * SNS MCPlet
+ * pool: media-pool | mcpletType: action | visibility: [app] | auth: passkey workflow
+ */
+import { MCPletServer } from '../../mcplet-server.js';
+
+const MOCK_SERVICE_URL = process.env.MOCK_SERVICE_URL ?? 'http://localhost:5100';
+
+const server = new MCPletServer('sns-mcplet');
+
+server.registerTool({
+  name: 'post_sns',
+  description: 'SNSプラットフォームに投稿します。承認済みキャンペーン告知の拡散に使用します。',
+  inputSchema: {
+    type: 'object',
+    properties: {
+      platform: {
+        type: 'string',
+        enum: ['twitter', 'instagram', 'line'],
+        description: '投稿するSNSプラットフォーム',
+      },
+      content: {
+        type: 'string',
+        description: '投稿内容',
+      },
+      scheduleAt: {
+        type: 'string',
+        description: '予約投稿日時 (ISO 8601形式、任意)',
+      },
+    },
+    required: ['platform', 'content'],
+  },
+  mcpletType: 'action',
+  pool: 'media-pool',
+  visibility: ['app'],
+  auth: {
+    required: 'passkey',
+    enforcement: 'workflow',
+    promptMessage: 'このキャンペーンのSNS投稿を承認してください',
+  },
+  handler: async (args, authPayload) => {
+    if (authPayload) {
+      console.error(`[sns-mcplet] Auth verified (challenge: ${authPayload['challenge'] ?? 'n/a'})`);
+    }
+
+    const res = await fetch(`${MOCK_SERVICE_URL}/sns/post`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({
+        platform: args['platform'],
+        content: args['content'],
+        scheduleAt: args['scheduleAt'],
+      }),
+    });
+    if (!res.ok) throw new Error(`SNS service returned ${res.status}`);
+    return res.json();
+  },
+});
+
+await server.listen();