diff --git a/dailySummary/README.md b/dailySummary/README.md
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+++ b/dailySummary/README.md
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+# Daily Coding Summary
+
+Track your coding activity from **Zed** editors and **Git** commits, then write a summary into your Obsidian daily note.
+
+## Features
+
+- **Zed Integration** – reads Zed's SQLite database to find which files you edited today and groups them by project.
+- **Git Tracking** – scans `~/Code` (or custom directories) for git repositories and collects today's commits with stats (insertions, deletions, files changed).
+- **Obsidian Daily Notes** – writes or appends a `## Coding Work` section to your daily note (`YYYY-MM-DD.md`).
+- **Idempotent** – running multiple times on the same day replaces the existing `## Coding Work` section rather than duplicating it.
+
+## Usage
+
+```bash
+# Use default vault (from OBSIDIAN_VAULT env var or ~/Obsidian)
+python main.py
+
+# Specify vault and code directories
+python main.py --vault ~/Documents/obsidian_vault --code-dir ~/Code --code-dir ~/Work
+
+# Dry-run to preview without writing
+python main.py --dry-run
+
+# Summarize a specific day
+python main.py --date 2026-05-20
+
+# Skip Zed or Git tracking
+python main.py --no-zed
+python main.py --no-git
+```
+
+## Configuration
+
+| Environment Variable | Description | Default |
+|---------------------|-------------|---------|
+| `OBSIDIAN_VAULT` | Path to your Obsidian vault | auto-detected from `~/Obsidian` |
+| `OBSIDIAN_DAILY_FOLDER` | Folder inside the vault for daily notes | `Daily Notes` |
+
+## Requirements
+
+- Python 3.9+
+- Git (for commit tracking)
+- Zed editor (optional, for editor tracking)
diff --git a/dailySummary/__pycache__/main.cpython-314.pyc b/dailySummary/__pycache__/main.cpython-314.pyc
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diff --git a/dailySummary/daily-summary.sh b/dailySummary/daily-summary.sh
new file mode 100755
index 0000000..c8e7bb6
--- /dev/null
+++ b/dailySummary/daily-summary.sh
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+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+cd "$SCRIPT_DIR"
+python3 main.py "$@"
diff --git a/dailySummary/main.py b/dailySummary/main.py
new file mode 100644
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--- /dev/null
+++ b/dailySummary/main.py
@@ -0,0 +1,141 @@
+#!/usr/bin/env python3
+"""Daily Coding Summary for Obsidian
+
+Track coding activity from Zed editors and Git commits, then write
+a summary into your Obsidian daily note.
+
+Usage:
+    python main.py
+    python main.py --vault ~/Obsidian/MyVault
+    python main.py --code-dir ~/Code --code-dir ~/Work
+    python main.py --date 2026-05-20
+"""
+
+import argparse
+import sys
+from datetime import datetime, timezone
+from pathlib import Path
+
+from utils.config import date_range, get_vault_path
+from utils.git_tracker import fetch_git_activity
+from utils.obsidian_writer import write_daily_summary
+from utils.zed_tracker import fetch_zed_activity
+
+
+def parse_date(date_str: str) -> datetime:
+    """Parse YYYY-MM-DD string into a datetime object."""
+    try:
+        dt = datetime.strptime(date_str, "%Y-%m-%d")
+        return dt.replace(tzinfo=timezone.utc).astimezone()
+    except ValueError:
+        raise argparse.ArgumentTypeError(
+            f"Invalid date format: '{date_str}'. Expected YYYY-MM-DD."
+        )
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Track daily coding activity and write it to Obsidian."
+    )
+    parser.add_argument(
+        "--vault",
+        dest="vault",
+        default=None,
+        help="Path to the Obsidian vault. Overrides OBSIDIAN_VAULT env var.",
+    )
+    parser.add_argument(
+        "--code-dir",
+        dest="code_dirs",
+        action="append",
+        default=None,
+        help="Directory to scan for git repos (default: ~/Code). Can be given multiple times.",
+    )
+    parser.add_argument(
+        "--daily-folder",
+        dest="daily_folder",
+        default=None,
+        help="Folder inside the vault for daily notes (default: Daily Notes). Overrides OBSIDIAN_DAILY_FOLDER env var.",
+    )
+    parser.add_argument(
+        "--date",
+        dest="date",
+        type=parse_date,
+        default=None,
+        help="Date to summarize (YYYY-MM-DD). Defaults to today.",
+    )
+    parser.add_argument(
+        "--no-zed",
+        dest="no_zed",
+        action="store_true",
+        help="Skip Zed editor tracking.",
+    )
+    parser.add_argument(
+        "--no-git",
+        dest="no_git",
+        action="store_true",
+        help="Skip Git commit tracking.",
+    )
+    parser.add_argument(
+        "--dry-run",
+        dest="dry_run",
+        action="store_true",
+        help="Print the summary instead of writing to Obsidian.",
+    )
+
+    args = parser.parse_args()
+
+    try:
+        vault_path = get_vault_path(args.vault)
+    except Exception as e:
+        print(f"Error: {e}", file=sys.stderr)
+        sys.exit(1)
+
+    if args.daily_folder:
+        daily_folder = args.daily_folder
+    else:
+        import os
+
+        daily_folder = os.environ.get("OBSIDIAN_DAILY_FOLDER", "Daily Notes")
+
+    code_dirs = args.code_dirs
+    if code_dirs:
+        code_dirs = [Path(d).expanduser().resolve() for d in code_dirs]
+    else:
+        code_dirs = [Path.home() / "Code"]
+
+    target_date = args.date or datetime.now(timezone.utc).astimezone()
+    start_ts, end_ts = date_range(target_date)
+
+    zed_projects = []
+    git_repos = []
+
+    if not args.no_zed:
+        print("🔍 Reading Zed editor history…")
+        zed_projects = fetch_zed_activity(start_ts, end_ts, code_dirs=code_dirs)
+        print(f"   Found {len(zed_projects)} project(s) with editor activity.")
+
+    if not args.no_git:
+        print("🔍 Scanning git repositories…")
+        git_repos = fetch_git_activity(start_ts, end_ts, code_dirs=code_dirs)
+        print(f"   Found {len(git_repos)} repo(s) with commits today.")
+
+    if args.dry_run:
+        from utils.obsidian_writer import generate_markdown
+
+        print("\n--- Daily Summary ---\n")
+        print(generate_markdown(zed_projects, git_repos, target_date))
+        print("\n---------------------")
+        return
+
+    note_path = write_daily_summary(
+        vault_path=vault_path,
+        zed_projects=zed_projects,
+        git_repos=git_repos,
+        daily_folder=daily_folder,
+        date=target_date,
+    )
+    print(f"✅ Daily note updated: {note_path}")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/dailySummary/utils/__init__.py b/dailySummary/utils/__init__.py
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diff --git a/dailySummary/utils/config.py b/dailySummary/utils/config.py
new file mode 100644
index 0000000..0929e3f
--- /dev/null
+++ b/dailySummary/utils/config.py
@@ -0,0 +1,61 @@
+"""Configuration and common utilities for daily summary."""
+
+import os
+from datetime import datetime, timedelta, timezone
+from pathlib import Path
+from typing import Optional
+
+
+def get_vault_path(cli_vault: Optional[str] = None) -> Path:
+    """Resolve the Obsidian vault path from CLI arg, env var, or default locations."""
+    if cli_vault:
+        vault = Path(cli_vault).expanduser().resolve()
+        if not vault.exists():
+            raise FileNotFoundError(f"Vault path does not exist: {vault}")
+        return vault
+
+    env_vault = os.environ.get("OBSIDIAN_VAULT")
+    if env_vault:
+        vault = Path(env_vault).expanduser().resolve()
+        if vault.exists():
+            return vault
+
+    obsidian_dir = Path.home() / "Obsidian"
+    if obsidian_dir.exists():
+        vaults = [d for d in obsidian_dir.iterdir() if d.is_dir()]
+        if len(vaults) == 1:
+            return vaults[0]
+        elif len(vaults) > 1:
+            raise RuntimeError(
+                f"Multiple vaults found in {obsidian_dir}. "
+                "Set OBSIDIAN_VAULT or use --vault."
+            )
+
+    raise RuntimeError(
+        "Could not determine Obsidian vault path. "
+        "Use --vault or set OBSIDIAN_VAULT environment variable."
+    )
+
+
+def get_daily_notes_folder(vault_path: Path) -> Path:
+    """Return the daily notes folder, defaulting to 'Daily Notes'."""
+    folder = os.environ.get("OBSIDIAN_DAILY_FOLDER", "Daily Notes")
+    return vault_path / folder
+
+
+def date_range(dt: datetime) -> tuple[int, int]:
+    """Return Unix timestamp range for the given datetime's date (start, end)."""
+    start = datetime(dt.year, dt.month, dt.day, tzinfo=dt.tzinfo or timezone.utc)
+    end = start + timedelta(days=1)
+    return int(start.timestamp()), int(end.timestamp())
+
+
+def format_duration(seconds: int) -> str:
+    """Format seconds as 'Xh Ym' or 'Ym'."""
+    if seconds < 60:
+        return f"{seconds}s"
+    hours, remainder = divmod(seconds, 3600)
+    minutes = remainder // 60
+    if hours:
+        return f"{hours}h {minutes}m"
+    return f"{minutes}m"
diff --git a/dailySummary/utils/git_tracker.py b/dailySummary/utils/git_tracker.py
new file mode 100644
index 0000000..2a7782d
--- /dev/null
+++ b/dailySummary/utils/git_tracker.py
@@ -0,0 +1,225 @@
+"""Scan git repositories for today's commits."""
+
+import subprocess
+from dataclasses import dataclass
+from datetime import datetime, timezone
+from pathlib import Path
+from typing import List, Optional
+
+
+@dataclass
+class CommitInfo:
+    hash: str
+    message: str
+    author: str
+    timestamp: int
+    files_changed: int
+    insertions: int
+    deletions: int
+
+
+@dataclass
+class RepoSummary:
+    name: str
+    path: Path
+    commits: List[CommitInfo]
+    total_insertions: int
+    total_deletions: int
+    total_files: int
+
+
+def _run_git(args: List[str], cwd: Path, check: bool = True) -> str:
+    """Run a git command and return stdout."""
+    result = subprocess.run(
+        ["git"] + args,
+        cwd=cwd,
+        capture_output=True,
+        text=True,
+        check=check,
+    )
+    if result.returncode != 0 and check:
+        raise subprocess.CalledProcessError(
+            result.returncode,
+            ["git"] + args,
+            output=result.stdout,
+            stderr=result.stderr,
+        )
+    return result.stdout
+
+
+def _parse_git_date(date_str: str) -> int:
+    """Parse a git date string into Unix timestamp.
+
+    Handles both ISO ('2026-05-26 14:30:00 +0200') and
+    RFC ('Tue, 26 May 2026 14:30:00 +0200') formats.
+    """
+    date_str = date_str.strip()
+    # Try ISO format first
+    for fmt in ("%Y-%m-%d %H:%M:%S %z", "%a, %d %b %Y %H:%M:%S %z"):
+        try:
+            dt = datetime.strptime(date_str, fmt)
+            return int(dt.timestamp())
+        except ValueError:
+            continue
+    return 0
+
+
+def _get_commits_for_date(
+    repo_path: Path, start_ts: int, end_ts: int
+) -> List[CommitInfo]:
+    """Get commits in the given timestamp range."""
+    # Use --since and --until with ISO format which git understands reliably
+    since = datetime.fromtimestamp(start_ts, tz=timezone.utc).isoformat()
+    until = datetime.fromtimestamp(end_ts, tz=timezone.utc).isoformat()
+
+    log_format = "%H%x00%s%x00%an%x00%ad%x00"
+    try:
+        output = _run_git(
+            [
+                "log",
+                f"--since={since}",
+                f"--until={until}",
+                f"--format={log_format}",
+                "--date=iso",
+                "--no-merges",
+            ],
+            cwd=repo_path,
+            check=False,
+        )
+    except subprocess.CalledProcessError:
+        return []
+
+    if not output.strip():
+        return []
+
+    commits = []
+    entries = output.strip().split("\n")
+    for entry in entries:
+        parts = entry.split("\x00")
+        if len(parts) < 4:
+            continue
+        commit_hash, message, author, date_str = parts[0], parts[1], parts[2], parts[3]
+        ts = _parse_git_date(date_str)
+
+        # Get stats for this commit
+        try:
+            stat_output = _run_git(
+                ["show", "--stat", "--format=", commit_hash],
+                cwd=repo_path,
+                check=False,
+            )
+        except subprocess.CalledProcessError:
+            stat_output = ""
+
+        files_changed, insertions, deletions = 0, 0, 0
+        for line in stat_output.splitlines():
+            line = line.strip()
+            if "file changed" in line or "files changed" in line:
+                # Parse line like "3 files changed, 10 insertions(+), 2 deletions(-)"
+                parts_stat = line.split(",")
+                for part in parts_stat:
+                    part = part.strip()
+                    if "changed" in part:
+                        try:
+                            files_changed = int(part.split()[0])
+                        except ValueError:
+                            pass
+                    elif "insertion" in part:
+                        try:
+                            insertions = int(part.split()[0])
+                        except ValueError:
+                            pass
+                    elif "deletion" in part:
+                        try:
+                            deletions = int(part.split()[0])
+                        except ValueError:
+                            pass
+
+        commits.append(
+            CommitInfo(
+                hash=commit_hash[:8],
+                message=message.strip(),
+                author=author.strip(),
+                timestamp=ts,
+                files_changed=files_changed,
+                insertions=insertions,
+                deletions=deletions,
+            )
+        )
+
+    return commits
+
+
+def _is_git_repo(path: Path) -> bool:
+    """Check if a directory is a git repository."""
+    return (path / ".git").is_dir()
+
+
+def find_git_repos(base_dir: Path, max_depth: int = 3) -> List[Path]:
+    """Find git repositories under base_dir up to max_depth levels."""
+    repos = []
+    base_dir = base_dir.expanduser().resolve()
+    if not base_dir.exists():
+        return repos
+
+    for depth in range(max_depth + 1):
+        pattern = "/".join(["*"] * depth) if depth > 0 else "."
+        if depth == 0:
+            if _is_git_repo(base_dir):
+                repos.append(base_dir)
+            continue
+
+        for candidate in base_dir.glob(pattern):
+            if candidate.is_dir() and _is_git_repo(candidate):
+                repos.append(candidate)
+
+    return repos
+
+
+def fetch_git_activity(
+    start_ts: int,
+    end_ts: int,
+    code_dirs: Optional[List[Path]] = None,
+    max_depth: int = 3,
+) -> List[RepoSummary]:
+    """Scan code directories and return git activity summaries."""
+    if code_dirs is None:
+        code_dirs = [Path.home() / "Code"]
+
+    all_repos = []
+    for d in code_dirs:
+        all_repos.extend(find_git_repos(d, max_depth=max_depth))
+
+    # Deduplicate
+    seen = set()
+    unique_repos = []
+    for r in all_repos:
+        resolved = r.resolve()
+        if resolved not in seen:
+            seen.add(resolved)
+            unique_repos.append(resolved)
+
+    summaries = []
+    for repo_path in unique_repos:
+        commits = _get_commits_for_date(repo_path, start_ts, end_ts)
+        if not commits:
+            continue
+
+        total_insertions = sum(c.insertions for c in commits)
+        total_deletions = sum(c.deletions for c in commits)
+        total_files = sum(c.files_changed for c in commits)
+
+        summaries.append(
+            RepoSummary(
+                name=repo_path.name,
+                path=repo_path,
+                commits=commits,
+                total_insertions=total_insertions,
+                total_deletions=total_deletions,
+                total_files=total_files,
+            )
+        )
+
+    # Sort by number of commits descending
+    summaries.sort(key=lambda r: -len(r.commits))
+    return summaries
diff --git a/dailySummary/utils/obsidian_writer.py b/dailySummary/utils/obsidian_writer.py
new file mode 100644
index 0000000..b775875
--- /dev/null
+++ b/dailySummary/utils/obsidian_writer.py
@@ -0,0 +1,112 @@
+"""Write or append daily summaries to Obsidian notes."""
+
+from datetime import datetime, timezone
+from pathlib import Path
+from typing import List
+
+from .git_tracker import RepoSummary
+from .zed_tracker import ProjectSummary
+
+DAILY_NOTE_FORMAT = "%Y-%m-%d"
+SECTION_HEADER = "## Coding Work"
+
+
+def _format_time(ts: int) -> str:
+    """Format a Unix timestamp as HH:MM."""
+    dt = datetime.fromtimestamp(ts, tz=timezone.utc).astimezone()
+    return dt.strftime("%H:%M")
+
+
+def generate_markdown(
+    zed_projects: List[ProjectSummary],
+    git_repos: List[RepoSummary],
+    date: datetime,
+) -> str:
+    """Generate the markdown content for the daily summary."""
+    lines = []
+    lines.append(SECTION_HEADER)
+    lines.append("")
+
+    if not zed_projects and not git_repos:
+        lines.append("No coding activity tracked today. 🌴")
+        return "\n".join(lines)
+
+    if zed_projects:
+        lines.append("### Zed Editors")
+        lines.append("")
+        for project in zed_projects:
+            langs = (
+                f" ({', '.join(sorted(project.languages))})"
+                if project.languages
+                else ""
+            )
+            lines.append(
+                f"- **{project.project}**{langs} — {len(project.files)} file(s)"
+            )
+            # Show up to 5 most recent files
+            for path, mtime in project.files[:5]:
+                time_str = _format_time(mtime)
+                lines.append(f"  - `{Path(path).name}` at {time_str}")
+            if len(project.files) > 5:
+                lines.append(f"  - *…and {len(project.files) - 5} more*")
+        lines.append("")
+
+    if git_repos:
+        lines.append("### Git Commits")
+        lines.append("")
+        for repo in git_repos:
+            lines.append(
+                f"- **{repo.name}** — {len(repo.commits)} commit(s), "
+                f"+{repo.total_insertions}/-{repo.total_deletions} lines, "
+                f"{repo.total_files} file(s)"
+            )
+            for commit in repo.commits:
+                time_str = _format_time(commit.timestamp)
+                lines.append(f"  - `{commit.hash}` {commit.message} — {time_str}")
+        lines.append("")
+
+    return "\n".join(lines)
+
+
+# Backward compatibility alias
+_generate_markdown = generate_markdown
+
+
+def write_daily_summary(
+    vault_path: Path,
+    zed_projects: List[ProjectSummary],
+    git_repos: List[RepoSummary],
+    daily_folder: str = "Daily Notes",
+    date: datetime = None,
+) -> Path:
+    """Write or append a coding summary to the Obsidian daily note."""
+    if date is None:
+        date = datetime.now(timezone.utc).astimezone()
+
+    note_dir = vault_path / daily_folder
+    note_dir.mkdir(parents=True, exist_ok=True)
+
+    note_name = date.strftime(DAILY_NOTE_FORMAT)
+    note_path = note_dir / f"{note_name}.md"
+
+    content = _generate_markdown(zed_projects, git_repos, date)
+
+    if note_path.exists():
+        existing = note_path.read_text(encoding="utf-8")
+        # If section already exists, replace it; otherwise append
+        if SECTION_HEADER in existing:
+            before, _, after = existing.partition(SECTION_HEADER)
+            # Find the next section header or end of file
+            next_section_idx = after.find("\n## ")
+            if next_section_idx != -1:
+                after = after[next_section_idx:]
+            else:
+                after = ""
+            new_content = before.rstrip() + "\n\n" + content + "\n" + after.lstrip()
+        else:
+            new_content = existing.rstrip() + "\n\n" + content + "\n"
+    else:
+        new_content = f"# {note_name}\n\n" + content + "\n"
+
+    note_path.write_text(new_content, encoding="utf-8")
+    return note_path
diff --git a/dailySummary/utils/zed_tracker.py b/dailySummary/utils/zed_tracker.py
new file mode 100644
index 0000000..36c9cac
--- /dev/null
+++ b/dailySummary/utils/zed_tracker.py
@@ -0,0 +1,140 @@
+"""Read recent editor activity from Zed's SQLite database."""
+
+import sqlite3
+from collections import defaultdict
+from dataclasses import dataclass
+from pathlib import Path
+from typing import Dict, List, Optional, Tuple
+
+
+@dataclass
+class EditorSession:
+    path: str
+    mtime: int
+    language: Optional[str]
+
+
+@dataclass
+class ProjectSummary:
+    project: str
+    files: List[Tuple[str, int]]  # (relative_path, mtime)
+    languages: set
+
+
+def _find_zed_db() -> Optional[Path]:
+    """Locate the most recent Zed stable database."""
+    zed_db_dir = Path.home() / ".local" / "share" / "zed" / "db"
+    if not zed_db_dir.exists():
+        return None
+
+    candidates = []
+    for sub in zed_db_dir.iterdir():
+        db_file = sub / "db.sqlite"
+        if db_file.exists():
+            # Prefer stable, then preview, then anything else
+            priority = 0
+            if "stable" in sub.name:
+                priority = 2
+            elif "preview" in sub.name:
+                priority = 1
+            candidates.append((priority, db_file.stat().st_mtime, db_file))
+
+    if not candidates:
+        return None
+
+    candidates.sort(key=lambda x: (x[0], x[1]), reverse=True)
+    return candidates[0][2]
+
+
+def _resolve_project(file_path: Path, code_dirs: List[Path]) -> Optional[str]:
+    """Return the project name for a file path based on code directories."""
+    for code_dir in code_dirs:
+        try:
+            rel = file_path.relative_to(code_dir)
+            parts = rel.parts
+            if parts:
+                return parts[0]
+        except ValueError:
+            continue
+    # Fallback: use parent directory name
+    return file_path.parent.name if file_path.parent != Path("/") else None
+
+
+def fetch_zed_activity(
+    start_ts: int,
+    end_ts: int,
+    code_dirs: Optional[List[Path]] = None,
+) -> List[ProjectSummary]:
+    """Fetch editor activity from Zed for the given time range."""
+    db_path = _find_zed_db()
+    if not db_path:
+        return []
+
+    if code_dirs is None:
+        code_dirs = [Path.home() / "Code"]
+    code_dirs = [d.expanduser().resolve() for d in code_dirs if d.exists()]
+
+    sessions: List[EditorSession] = []
+    try:
+        conn = sqlite3.connect(str(db_path))
+        cursor = conn.cursor()
+        cursor.execute(
+            """
+            SELECT path, mtime_seconds, language
+            FROM editors
+            WHERE mtime_seconds >= ? AND mtime_seconds < ?
+            ORDER BY mtime_seconds DESC
+            """,
+            (start_ts, end_ts),
+        )
+        for row in cursor.fetchall():
+            path_blob, mtime, language = row
+            if not path_blob:
+                continue
+            try:
+                path_str = (
+                    path_blob.decode("utf-8")
+                    if isinstance(path_blob, bytes)
+                    else str(path_blob)
+                )
+            except (UnicodeDecodeError, AttributeError):
+                continue
+            sessions.append(
+                EditorSession(path=path_str, mtime=mtime, language=language)
+            )
+    except sqlite3.Error as e:
+        print(f"Warning: could not read Zed database: {e}")
+        return []
+
+    # Group by project
+    by_project: Dict[str, List[EditorSession]] = defaultdict(list)
+    for s in sessions:
+        fp = Path(s.path)
+        project = _resolve_project(fp, code_dirs)
+        if not project:
+            project = fp.parent.name
+        by_project[project].append(s)
+
+    summaries = []
+    for project, items in by_project.items():
+        files = []
+        seen = set()
+        languages = set()
+        for item in items:
+            if item.language:
+                languages.add(item.language)
+            rel = item.path
+            # Store unique files with their latest mtime
+            key = rel
+            if key not in seen:
+                seen.add(key)
+                files.append((rel, item.mtime))
+        # Sort by mtime descending
+        files.sort(key=lambda x: x[1], reverse=True)
+        summaries.append(
+            ProjectSummary(project=project, files=files, languages=languages)
+        )
+
+    # Sort projects by number of files, then by latest mtime
+    summaries.sort(key=lambda s: (-len(s.files), -s.files[0][1] if s.files else 0))
+    return summaries