diff --git a/posimai-log b/posimai-log
new file mode 160000
index 00000000..40dace3d
--- /dev/null
+++ b/posimai-log
@@ -0,0 +1 @@
+Subproject commit 40dace3dddf681af4f7f3bb54717a6900441e7e4
diff --git a/scripts/memory-push.sh b/scripts/memory-push.sh
index cb30ee63..96d37ab0 100644
--- a/scripts/memory-push.sh
+++ b/scripts/memory-push.sh
@@ -3,11 +3,11 @@
 # Write ツール使用後に memory/ ファイルへの変更を自動コミット&プッシュする
 # 環境変数 CLAUDE_TOOL_INPUT (JSON) を stdin 経由で受け取る
 
-MEMORY_DIR="C:/Users/maita/.claude/projects/c--Users-maita-posimai-project/memory"
+MEMORY_DIR="$HOME/.claude/projects/c--Users-maita-posimai-project/memory"
 
-# stdin から JSON を読み取り、file_path を取得
+# stdin から JSON を読み取り、tool_input.file_path を取得
 INPUT=$(cat)
-FILE_PATH=$(echo "$INPUT" | python3 -c "import sys,json; d=json.load(sys.stdin); print(d.get('file_path',''))" 2>/dev/null || echo "")
+FILE_PATH=$(echo "$INPUT" | python3 -c "import sys,json; d=json.load(sys.stdin); print(d.get('tool_input',{}).get('file_path',''))" 2>/dev/null || echo "")
 
 # memory ディレクトリ以外は何もしない
 if ! echo "$FILE_PATH" | grep -qi "memory"; then
diff --git a/tools/posimai-scribe/.gitignore b/tools/posimai-scribe/.gitignore
new file mode 100644
index 00000000..2d7ec5ce
--- /dev/null
+++ b/tools/posimai-scribe/.gitignore
@@ -0,0 +1,2 @@
+.env
+node_modules/
diff --git a/tools/posimai-scribe/package.json b/tools/posimai-scribe/package.json
new file mode 100644
index 00000000..4806964c
--- /dev/null
+++ b/tools/posimai-scribe/package.json
@@ -0,0 +1,14 @@
+{
+  "name": "posimai-scribe",
+  "version": "2.0.0",
+  "description": "Auto-blogging engine for Posimai — Memory-First + Hook Driven",
+  "type": "module",
+  "scripts": {
+    "generate": "node src/generate-post.js",
+    "serve": "node src/diary-server.js"
+  },
+  "dependencies": {
+    "@google/generative-ai": "^0.24.1",
+    "dotenv": "^16.4.5"
+  }
+}
diff --git a/tools/posimai-scribe/src/diary-server.js b/tools/posimai-scribe/src/diary-server.js
new file mode 100644
index 00000000..69d3153b
--- /dev/null
+++ b/tools/posimai-scribe/src/diary-server.js
@@ -0,0 +1,63 @@
+/**
+ * diary-server.js
+ * localhost:2626 で常時待機する軽量デーモン。
+ * posimai-log のダイアリーパネルから diary.md を読み書きする。
+ * Usage: npm run serve
+ */
+import http from 'http';
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const DIARY_FILE = path.join(__dirname, '../diary.md');
+const PORT = 2626;
+
+const server = http.createServer((req, res) => {
+    // localhost 専用サーバーなので CORS はワイルドカードで問題なし
+    res.setHeader('Access-Control-Allow-Origin', '*');
+    res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');
+    res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
+
+    if (req.method === 'OPTIONS') {
+        res.writeHead(204);
+        res.end();
+        return;
+    }
+
+    // GET /diary → diary.md の内容を返す
+    if (req.url === '/diary' && req.method === 'GET') {
+        const content = fs.existsSync(DIARY_FILE)
+            ? fs.readFileSync(DIARY_FILE, 'utf8')
+            : '';
+        res.writeHead(200, { 'Content-Type': 'application/json' });
+        res.end(JSON.stringify({ content }));
+        return;
+    }
+
+    // POST /diary → diary.md に上書き保存
+    if (req.url === '/diary' && req.method === 'POST') {
+        let body = '';
+        req.on('data', chunk => { body += chunk; });
+        req.on('end', () => {
+            try {
+                const { content } = JSON.parse(body);
+                fs.writeFileSync(DIARY_FILE, content ?? '', 'utf8');
+                res.writeHead(200, { 'Content-Type': 'application/json' });
+                res.end(JSON.stringify({ ok: true }));
+            } catch {
+                res.writeHead(400);
+                res.end();
+            }
+        });
+        return;
+    }
+
+    res.writeHead(404);
+    res.end();
+});
+
+server.listen(PORT, '127.0.0.1', () => {
+    console.log(`[diary-server] http://localhost:${PORT} ready`);
+    console.log(`[diary-server] diary -> ${DIARY_FILE}`);
+});
diff --git a/tools/posimai-scribe/src/event-collector.js b/tools/posimai-scribe/src/event-collector.js
new file mode 100644
index 00000000..58a31bea
--- /dev/null
+++ b/tools/posimai-scribe/src/event-collector.js
@@ -0,0 +1,45 @@
+/**
+ * event-collector.js
+ * Called automatically by Claude Code PostToolUse hook.
+ * Reads tool payload from stdin, appends a lightweight JSONL entry to logs/events.jsonl.
+ * Never throws — a crash here would interrupt Claude Code sessions.
+ */
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+const LOG_FILE = path.join(__dirname, '../logs/events.jsonl');
+
+// Only track tools that indicate real work
+const TRACKED_TOOLS = new Set(['Edit', 'Write', 'Bash', 'NotebookEdit']);
+
+let raw = '';
+process.stdin.setEncoding('utf8');
+process.stdin.on('data', chunk => { raw += chunk; });
+process.stdin.on('end', () => {
+  try {
+    const payload = JSON.parse(raw);
+    const tool = payload.tool_name;
+
+    if (!TRACKED_TOOLS.has(tool)) process.exit(0);
+
+    const input = payload.tool_input || {};
+    const entry = {
+      ts: new Date().toISOString(),
+      tool,
+      // file_path for Edit/Write, truncated command for Bash
+      target: input.file_path
+        ? path.basename(input.file_path)
+        : (input.command || '').slice(0, 80) || null,
+      ok: !(payload.tool_response?.is_error ?? false)
+    };
+
+    fs.appendFileSync(LOG_FILE, JSON.stringify(entry) + '\n', 'utf8');
+  } catch {
+    // Silent fail — never interrupt Claude Code
+  }
+  process.exit(0);
+});
diff --git a/tools/posimai-scribe/src/generate-post.js b/tools/posimai-scribe/src/generate-post.js
new file mode 100644
index 00000000..03bad79a
--- /dev/null
+++ b/tools/posimai-scribe/src/generate-post.js
@@ -0,0 +1,162 @@
+/**
+ * generate-post.js
+ * Gathers context from 3 sources and calls Gemini API to write a full blog article.
+ * Usage: npm run generate
+ *
+ * Sources:
+ *   1. logs/events.jsonl  — today's Shadow Log (auto-collected by hook)
+ *   2. git log + diff     — what was built
+ *   3. memory/ mtime diff — why decisions were made (Antigravity's advice #2)
+ *   4. diary (VPS)        — optional hand-written notes from posimai-log diary panel
+ */
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import { execSync } from 'child_process';
+import { GoogleGenerativeAI } from '@google/generative-ai';
+import dotenv from 'dotenv';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const SCRIBE_DIR = path.resolve(__dirname, '..');
+const REPO_ROOT  = path.resolve(__dirname, '../../../');
+
+// Memory directory — update this path if the project moves
+const MEMORY_DIR = 'C:/Users/maita/.claude/projects/c--Users-maita-posimai-project/memory';
+
+dotenv.config({ path: path.join(SCRIBE_DIR, '.env') });
+
+const GEMINI_API_KEY = process.env.GEMINI_API_KEY;
+if (!GEMINI_API_KEY) {
+  console.error('[generate-post] GEMINI_API_KEY not set. Add it to tools/posimai-scribe/.env');
+  process.exit(1);
+}
+
+const GEMINI_MODEL = process.env.GEMINI_MODEL || 'gemini-2.5-flash';
+
+const dateStr  = new Date().toISOString().split('T')[0];
+const DRAFT_DIR = path.join(SCRIBE_DIR, 'drafts');
+const LOG_FILE  = path.join(SCRIBE_DIR, 'logs/events.jsonl');
+
+if (!fs.existsSync(DRAFT_DIR)) fs.mkdirSync(DRAFT_DIR, { recursive: true });
+
+console.log('[generate-post] Gathering context...\n');
+
+// --- 1. Today's shadow events (last 24h) ---
+const cutoffMs = Date.now() - 24 * 60 * 60 * 1000;
+let events = [];
+if (fs.existsSync(LOG_FILE)) {
+  events = fs.readFileSync(LOG_FILE, 'utf8')
+    .split('\n').filter(Boolean)
+    .map(l => { try { return JSON.parse(l); } catch { return null; } })
+    .filter(e => e && new Date(e.ts).getTime() > cutoffMs);
+}
+console.log(`  Shadow events (24h): ${events.length} entries`);
+
+// --- 2. Git log + diff stats (last 24h) ---
+let gitLog = 'No commits in the last 24 hours.';
+let gitStats = '';
+try {
+  const log = execSync('git log --since="24 hours ago" --oneline', { cwd: REPO_ROOT, encoding: 'utf8' }).trim();
+  if (log) gitLog = log;
+  gitStats = execSync('git log --since="24 hours ago" --stat --oneline', { cwd: REPO_ROOT, encoding: 'utf8' }).trim();
+} catch {
+  gitLog = '(git unavailable)';
+}
+console.log(`  Git commits: ${gitLog.split('\n').filter(Boolean).length} commits`);
+
+// --- 3. Memory files updated in last 48h (Antigravity advice #2: diff only today's Why) ---
+const memoryWindowMs = 48 * 60 * 60 * 1000;
+const updatedMemory = [];
+if (fs.existsSync(MEMORY_DIR)) {
+  const files = fs.readdirSync(MEMORY_DIR)
+    .filter(f => f.endsWith('.md') && f !== 'MEMORY.md');
+  for (const f of files) {
+    const fp = path.join(MEMORY_DIR, f);
+    try {
+      const stat = fs.statSync(fp);
+      if (Date.now() - stat.mtimeMs < memoryWindowMs) {
+        updatedMemory.push({ file: f, content: fs.readFileSync(fp, 'utf8').trim() });
+      }
+    } catch { /* skip unreadable */ }
+  }
+}
+console.log(`  Memory files updated (48h): ${updatedMemory.length} files`);
+
+// --- 4. diary — VPS site_config から取得 ---
+let diary = '';
+try {
+  const res = await fetch('https://api.soar-enrich.com/brain/api/site/config/public?user=maita',
+    { signal: AbortSignal.timeout(5000) });
+  if (res.ok) {
+    const data = await res.json();
+    diary = data.config?.diary_content || '';
+  }
+} catch {
+  // ネットワーク不可時は空のまま続行
+}
+console.log(`  Diary: ${diary ? 'present' : 'empty (OK)'}\n`);
+
+// --- Build prompt ---
+const memorySection = updatedMemory.length > 0
+  ? updatedMemory.map(m => `### ${m.file}\n${m.content}`).join('\n\n---\n\n')
+  : '（本日の更新なし）';
+
+const eventsSection = events.length > 0
+  ? JSON.stringify(events, null, 2)
+  : '（ログなし）';
+
+const prompt = `あなたはPosimaiプロジェクトの専属ライターです。
+以下のデータを元に「Architect without Code（コードは書けないが、アーキテクチャは支配する）」の視点でブログ記事をMarkdown形式で執筆してください。
+
+**対象読者**: DXに挫折した非エンジニア、AIを使った開発に興味がある人
+**トーン**: 理知的でサイバー美学を持ちつつ、泥臭い苦労も隠さない。ターミナルに流れるログを眺めてニヤリとするハッカー的快感を文章に滲ませること。
+**禁止事項**: 絵文字の使用禁止。
+
+---
+
+## Source 1: 本日のShadow Log（自動記録）
+フィールド: ts=タイムスタンプ / tool=使用ツール / target=対象ファイルorコマンド / ok=成否
+
+\`\`\`json
+${eventsSection}
+\`\`\`
+
+## Source 2: 本日のGitコミット
+\`\`\`
+${gitLog}
+\`\`\`
+
+## Source 3: 本日更新されたmemory（意思決定のWhy）
+${memorySection}
+
+## Source 4: 手書きメモ（任意・感情・ポエム）
+${diary || '（なし）'}
+
+---
+
+## 出力フォーマット（Zenn投稿可能なMarkdown）
+
+以下の構成で記事を書くこと。出力はMarkdownのみ。前置きや説明は不要。
+
+1. タイトル（h1）— 今日のドラマを一言で表す
+2. 本日のテーマと直面した課題
+3. 葛藤と試行錯誤（AIにどう指示し、どこで詰まったか）
+4. 到達した解決策
+5. アーキテクトとしての所感（「コードを書かない自分がここまでできた」という視点で）
+
+`;
+
+// --- Call Gemini API ---
+console.log(`[generate-post] Calling ${GEMINI_MODEL}...`);
+const genAI = new GoogleGenerativeAI(GEMINI_API_KEY);
+const model = genAI.getGenerativeModel({ model: GEMINI_MODEL });
+
+const result = await model.generateContent(prompt);
+const article = result.response.text();
+
+const outPath = path.join(DRAFT_DIR, `${dateStr}.md`);
+fs.writeFileSync(outPath, article, 'utf8');
+
+console.log(`[generate-post] Done.`);
+console.log(`  -> ${outPath}`);