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# PIM MCP Server # DAV/IMAP MCP Server
A self-hosted MCP server for managing your email, calendar, and contacts through AI assistants. A self-hosted MCP server that connects IMAP/SMTP, CalDAV, and CardDAV to MCP-compatible clients. It exposes email, calendar, and contacts tools and can optionally send new email notifications to a Poke webhook.
Connect your existing mail server (IMAP/SMTP) and CalDAV/CardDAV services to any MCP-compatible client. ## Features
## Prerequisites - Email tools over IMAP/SMTP (list, read, search, send, drafts, flags, unsubscribe)
- Calendar tools over CalDAV (list, create, update, delete)
- Contacts tools over CardDAV (list, create, update, delete)
- Optional email notifications via webhook with IMAP IDLE or polling
- SQLite cache with Alembic migrations
- API key auth for the MCP endpoint
- Docker and Docker Compose (recommended), OR Python 3.12+ ## Quickstart (Docker Compose)
- An email account with IMAP/SMTP access
- (Optional) A CalDAV server for calendars (Nextcloud, Fastmail, Radicale, etc.)
- (Optional) A CardDAV server for contacts
## Setup 1. Copy the environment template:
### Option 1: Docker Compose (Recommended)
1. **Clone the repository**
```bash
git clone https://github.com/your-repo/pim-mcp-server.git
cd pim-mcp-server
```
2. **Create your environment file**
```bash ```bash
cp .env.example .env cp .env.example .env
``` ```
3. **Edit `.env` with your credentials** 2. Edit `.env` with your credentials.
```bash
# Required: Generate an API key
MCP_API_KEY=$(python3 -c "import secrets; print(secrets.token_urlsafe(32))")
# Then edit .env with your mail server details 3. Start the server:
nano .env
```
4. **Start the server**
```bash ```bash
docker compose up -d docker compose up -d
``` ```
5. **Verify it's running** 4. Verify it is running:
```bash ```bash
curl http://localhost:8000/mcp curl http://localhost:8000/mcp
``` ```
### Option 2: Local Python ## Local Run (Python)
1. **Clone and setup environment**
```bash ```bash
git clone https://github.com/your-repo/pim-mcp-server.git
cd pim-mcp-server
python -m venv venv python -m venv venv
source venv/bin/activate # Windows: venv\Scripts\activate source venv/bin/activate # Windows: venv\Scripts\activate
pip install -r requirements.txt pip install -r requirements.txt
```
2. **Configure**
```bash
cp .env.example .env cp .env.example .env
nano .env # Add your credentials # Edit .env
```
3. **Initialize database**
```bash
# Create initial migration (first time only)
alembic revision --autogenerate -m "Initial tables"
alembic upgrade head
```
4. **Run**
```bash
python src/server.py python src/server.py
``` ```
## Configuration ## Configuration
Edit `.env` with your service credentials. Only configure the services you want to use. All settings are read from `.env`. Configure only the services you want to enable.
### Minimal Setup (Email Only) ### Minimal email-only setup
```bash ```bash
# Server MCP_API_KEY=your-secret-key
MCP_API_KEY=your-secret-key-here
PORT=8000 PORT=8000
# Email
IMAP_HOST=imap.example.com IMAP_HOST=imap.example.com
IMAP_USERNAME=you@example.com IMAP_USERNAME=you@example.com
IMAP_PASSWORD=your-password IMAP_PASSWORD=your-password
@@ -95,121 +59,67 @@ SMTP_USERNAME=you@example.com
SMTP_PASSWORD=your-password SMTP_PASSWORD=your-password
SMTP_FROM_EMAIL=you@example.com SMTP_FROM_EMAIL=you@example.com
# Disable other services
ENABLE_CALENDAR=false ENABLE_CALENDAR=false
ENABLE_CONTACTS=false ENABLE_CONTACTS=false
``` ```
### Full Setup (Email + Calendar + Contacts) ### Full setup (email + calendar + contacts)
```bash ```bash
# Server MCP_API_KEY=your-secret-key
MCP_API_KEY=your-secret-key-here
PORT=8000 PORT=8000
# Email (IMAP/SMTP)
IMAP_HOST=imap.example.com IMAP_HOST=imap.example.com
IMAP_PORT=993 IMAP_PORT=993
IMAP_USERNAME=you@example.com IMAP_USERNAME=you@example.com
IMAP_PASSWORD=your-password IMAP_PASSWORD=your-password
IMAP_USE_SSL=true
SMTP_HOST=smtp.example.com SMTP_HOST=smtp.example.com
SMTP_PORT=587 SMTP_PORT=587
SMTP_USERNAME=you@example.com SMTP_USERNAME=you@example.com
SMTP_PASSWORD=your-password SMTP_PASSWORD=your-password
SMTP_USE_TLS=true
SMTP_FROM_EMAIL=you@example.com SMTP_FROM_EMAIL=you@example.com
SMTP_FROM_NAME=Your Name SMTP_FROM_NAME=Your Name
# Calendar (CalDAV)
CALDAV_URL=https://caldav.example.com/dav CALDAV_URL=https://caldav.example.com/dav
CALDAV_USERNAME=you@example.com CALDAV_USERNAME=you@example.com
CALDAV_PASSWORD=your-password CALDAV_PASSWORD=your-password
# Contacts (CardDAV)
CARDDAV_URL=https://carddav.example.com/dav CARDDAV_URL=https://carddav.example.com/dav
CARDDAV_USERNAME=you@example.com CARDDAV_USERNAME=you@example.com
CARDDAV_PASSWORD=your-password CARDDAV_PASSWORD=your-password
``` ```
### Provider-Specific Examples ### Email notifications (Poke webhook)
<details> Enable notifications to send new-email alerts to Poke. The server will use IMAP IDLE when available and fall back to polling.
<summary><strong>Fastmail</strong></summary>
```bash ```bash
IMAP_HOST=imap.fastmail.com ENABLE_EMAIL_NOTIFICATIONS=true
IMAP_PORT=993 NOTIFICATION_MAILBOXES=INBOX,Updates
SMTP_HOST=smtp.fastmail.com NOTIFICATION_POLL_INTERVAL=60
SMTP_PORT=587 NOTIFICATION_IDLE_TIMEOUT=1680
CALDAV_URL=https://caldav.fastmail.com/dav/calendars/user/you@fastmail.com
CARDDAV_URL=https://carddav.fastmail.com/dav/addressbooks/user/you@fastmail.com POKE_WEBHOOK_URL=https://poke.com/api/v1/inbound-sms/webhook
POKE_API_KEY=your-poke-api-key
POKE_WEBHOOK_TIMEOUT=30
POKE_WEBHOOK_MAX_RETRIES=3
``` ```
Use an [app-specific password](https://www.fastmail.help/hc/en-us/articles/360058752854).
</details>
<details> ## MCP Client Setup
<summary><strong>Nextcloud</strong></summary>
```bash ### MCP Inspector
# Use your mail server for IMAP/SMTP
IMAP_HOST=mail.example.com
SMTP_HOST=mail.example.com
# Nextcloud for CalDAV/CardDAV
CALDAV_URL=https://cloud.example.com/remote.php/dav
CARDDAV_URL=https://cloud.example.com/remote.php/dav
CALDAV_USERNAME=your-nextcloud-user
CARDDAV_USERNAME=your-nextcloud-user
```
</details>
<details>
<summary><strong>Gmail</strong></summary>
```bash
IMAP_HOST=imap.gmail.com
IMAP_PORT=993
SMTP_HOST=smtp.gmail.com
SMTP_PORT=587
```
You must use an [App Password](https://support.google.com/accounts/answer/185833) (not your regular password).
Note: Gmail's CalDAV/CardDAV requires OAuth2, which is not currently supported.
</details>
<details>
<summary><strong>Mailcow</strong></summary>
```bash
IMAP_HOST=mail.example.com
SMTP_HOST=mail.example.com
CALDAV_URL=https://mail.example.com/SOGo/dav
CARDDAV_URL=https://mail.example.com/SOGo/dav
```
</details>
<details>
<summary><strong>Radicale (Self-hosted)</strong></summary>
```bash
CALDAV_URL=https://radicale.example.com/user/
CARDDAV_URL=https://radicale.example.com/user/
```
</details>
## Connecting to MCP Clients
### MCP Inspector (Testing)
```bash ```bash
npx @modelcontextprotocol/inspector npx @modelcontextprotocol/inspector
``` ```
- Transport: **Streamable HTTP** - Transport: Streamable HTTP
- URL: `http://localhost:8000/mcp` - URL: `http://localhost:8000/mcp`
### Claude Desktop ### Claude Desktop
Add to your Claude Desktop config (`~/.config/claude/claude_desktop_config.json` on Linux/Mac):
```json ```json
{ {
"mcpServers": { "mcpServers": {
@@ -223,99 +133,32 @@ Add to your Claude Desktop config (`~/.config/claude/claude_desktop_config.json`
### Poke ### Poke
Go to [poke.com/settings/connections](https://poke.com/settings/connections) and add your server URL. Add your MCP endpoint at https://poke.com/settings/connections.
## Available Tools ## Available Tools
Once connected, your AI assistant can use these tools:
| Category | Tools | | Category | Tools |
|----------|-------| | --- | --- |
| **Email** | `list_mailboxes`, `list_emails`, `read_email`, `search_emails`, `move_email`, `delete_email`, `send_email` | | Email | `list_mailboxes`, `list_emails`, `list_drafts`, `read_email`, `search_emails`, `move_email`, `delete_email`, `delete_draft`, `save_draft`, `edit_draft`, `send_email`, `set_email_flags`, `unsubscribe_email` |
| **Calendar** | `list_calendars`, `list_events`, `get_event`, `create_event`, `update_event`, `delete_event` | | Calendar | `list_calendars`, `list_events`, `get_event`, `create_event`, `update_event`, `delete_event` |
| **Contacts** | `list_addressbooks`, `list_contacts`, `get_contact`, `create_contact`, `update_contact`, `delete_contact` | | Contacts | `list_addressbooks`, `list_contacts`, `get_contact`, `create_contact`, `update_contact`, `delete_contact` |
| **System** | `get_server_info` | | System | `get_server_info` |
## Database Migrations ## Database and Migrations
The server uses SQLModel with Alembic for database migrations. The server uses SQLite (default: `/data/cache.db`) and Alembic.
### When you update the code
```bash ```bash
# Pull latest changes alembic revision --autogenerate -m "Describe change"
git pull
# Run any new migrations
alembic upgrade head alembic upgrade head
# Restart
docker compose restart
# or: python src/server.py
``` ```
### Adding custom fields
1. Edit `src/database/models.py`
2. Generate migration: `alembic revision --autogenerate -m "Description"`
3. Apply: `alembic upgrade head`
## Troubleshooting ## Troubleshooting
### Connection refused - Connection refused: check `docker compose ps` or `curl http://localhost:8000/mcp`
- Check the server is running: `docker compose ps` or `curl localhost:8000/mcp` - Auth errors: confirm `MCP_API_KEY` and client config
- Check logs: `docker compose logs -f` - IMAP/SMTP failures: verify credentials and app-specific passwords
- CalDAV/CardDAV failures: confirm base URL and username
### Authentication failed (IMAP/SMTP)
- Verify credentials in `.env`
- Many providers require app-specific passwords (Gmail, Fastmail, etc.)
- Check if 2FA is enabled on your account
### CalDAV/CardDAV not working
- Verify the URL is correct (try opening it in a browser)
- Check if your provider requires a specific URL format
- Some providers need the full path including username
### Service disabled
If you see "service: disabled (not configured)", check that:
- All required env vars are set (host, username, password)
- `ENABLE_*` is not set to `false`
### View logs
```bash
# Docker
docker compose logs -f
# Local
# Logs print to stdout
```
## Project Structure
```
├── src/
│ ├── server.py # Entry point
│ ├── config.py # Environment configuration
│ ├── database/ # SQLModel ORM
│ │ ├── models.py # Table definitions
│ │ └── connection.py # Database connection
│ ├── models/ # Pydantic models (API)
│ ├── services/ # Business logic
│ └── tools/ # MCP tool definitions
├── migrations/ # Alembic migrations
├── docker-compose.yml
├── Dockerfile
├── .env.example
└── requirements.txt
```
## Security Notes
- Never commit `.env` files
- Use app-specific passwords where available
- The Docker container runs as non-root
- Consider running behind a reverse proxy with HTTPS for remote access
- The `MCP_API_KEY` is optional but recommended for production
## License ## License