diff --git a/.gitignore b/.gitignore
index 416cc24..aae1f7d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,5 @@ data/survey_screenshots/*
 !data/survey_screenshots/.gitkeep
 config/user.yaml
 config/.backup-*
+config/integrations/*.yaml
+!config/integrations/*.yaml.example
diff --git a/config/integrations/airtable.yaml.example b/config/integrations/airtable.yaml.example
new file mode 100644
index 0000000..ce30a98
--- /dev/null
+++ b/config/integrations/airtable.yaml.example
@@ -0,0 +1,3 @@
+api_key: "patXXX..."
+base_id: "appXXX..."
+table_name: "Jobs"
diff --git a/config/integrations/apple_calendar.yaml.example b/config/integrations/apple_calendar.yaml.example
new file mode 100644
index 0000000..df7c60f
--- /dev/null
+++ b/config/integrations/apple_calendar.yaml.example
@@ -0,0 +1,4 @@
+caldav_url: "https://caldav.icloud.com/"
+username: "you@icloud.com"
+app_password: "xxxx-xxxx-xxxx-xxxx"
+calendar_name: "Interviews"
diff --git a/config/integrations/discord.yaml.example b/config/integrations/discord.yaml.example
new file mode 100644
index 0000000..5cd0511
--- /dev/null
+++ b/config/integrations/discord.yaml.example
@@ -0,0 +1 @@
+webhook_url: "https://discord.com/api/webhooks/..."
diff --git a/config/integrations/dropbox.yaml.example b/config/integrations/dropbox.yaml.example
new file mode 100644
index 0000000..4cba76d
--- /dev/null
+++ b/config/integrations/dropbox.yaml.example
@@ -0,0 +1,2 @@
+access_token: "sl...."
+folder_path: "/Peregrine"
diff --git a/config/integrations/google_calendar.yaml.example b/config/integrations/google_calendar.yaml.example
new file mode 100644
index 0000000..060f1fa
--- /dev/null
+++ b/config/integrations/google_calendar.yaml.example
@@ -0,0 +1,2 @@
+calendar_id: "primary"
+credentials_json: "~/credentials/google-calendar-sa.json"
diff --git a/config/integrations/google_drive.yaml.example b/config/integrations/google_drive.yaml.example
new file mode 100644
index 0000000..7ab96b4
--- /dev/null
+++ b/config/integrations/google_drive.yaml.example
@@ -0,0 +1,2 @@
+folder_id: "your-google-drive-folder-id"
+credentials_json: "~/credentials/google-drive-sa.json"
diff --git a/config/integrations/google_sheets.yaml.example b/config/integrations/google_sheets.yaml.example
new file mode 100644
index 0000000..977c60e
--- /dev/null
+++ b/config/integrations/google_sheets.yaml.example
@@ -0,0 +1,3 @@
+spreadsheet_id: "your-spreadsheet-id"
+sheet_name: "Jobs"
+credentials_json: "~/credentials/google-sheets-sa.json"
diff --git a/config/integrations/home_assistant.yaml.example b/config/integrations/home_assistant.yaml.example
new file mode 100644
index 0000000..95dd5ac
--- /dev/null
+++ b/config/integrations/home_assistant.yaml.example
@@ -0,0 +1,3 @@
+base_url: "http://homeassistant.local:8123"
+token: "eyJ0eXAiOiJKV1Qi..."
+notification_service: "notify.mobile_app_my_phone"
diff --git a/config/integrations/mega.yaml.example b/config/integrations/mega.yaml.example
new file mode 100644
index 0000000..270ed58
--- /dev/null
+++ b/config/integrations/mega.yaml.example
@@ -0,0 +1,3 @@
+email: "you@example.com"
+password: "your-mega-password"
+folder_path: "/Peregrine"
diff --git a/config/integrations/nextcloud.yaml.example b/config/integrations/nextcloud.yaml.example
new file mode 100644
index 0000000..b71aa75
--- /dev/null
+++ b/config/integrations/nextcloud.yaml.example
@@ -0,0 +1,4 @@
+host: "https://nextcloud.example.com"
+username: "your-username"
+password: "your-app-password"
+folder_path: "/Peregrine"
diff --git a/config/integrations/notion.yaml.example b/config/integrations/notion.yaml.example
new file mode 100644
index 0000000..b2e42e0
--- /dev/null
+++ b/config/integrations/notion.yaml.example
@@ -0,0 +1,2 @@
+token: "secret_..."
+database_id: "32-character-notion-db-id"
diff --git a/config/integrations/onedrive.yaml.example b/config/integrations/onedrive.yaml.example
new file mode 100644
index 0000000..def5c7f
--- /dev/null
+++ b/config/integrations/onedrive.yaml.example
@@ -0,0 +1,3 @@
+client_id: "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
+client_secret: "your-client-secret"
+folder_path: "/Peregrine"
diff --git a/config/integrations/slack.yaml.example b/config/integrations/slack.yaml.example
new file mode 100644
index 0000000..cf64b15
--- /dev/null
+++ b/config/integrations/slack.yaml.example
@@ -0,0 +1,2 @@
+webhook_url: "https://hooks.slack.com/services/..."
+channel: "#job-alerts"
diff --git a/scripts/integrations/airtable.py b/scripts/integrations/airtable.py
new file mode 100644
index 0000000..e9d8e3f
--- /dev/null
+++ b/scripts/integrations/airtable.py
@@ -0,0 +1,41 @@
+from __future__ import annotations
+from scripts.integrations.base import IntegrationBase
+
+
+class AirtableIntegration(IntegrationBase):
+    name = "airtable"
+    label = "Airtable"
+    tier = "paid"
+
+    def __init__(self):
+        self._config: dict = {}
+
+    def fields(self) -> list[dict]:
+        return [
+            {"key": "api_key", "label": "Personal Access Token", "type": "password",
+             "placeholder": "patXXX…", "required": True,
+             "help": "airtable.com/create/tokens"},
+            {"key": "base_id", "label": "Base ID", "type": "text",
+             "placeholder": "appXXX…", "required": True,
+             "help": "From the API docs URL"},
+            {"key": "table_name", "label": "Table name", "type": "text",
+             "placeholder": "Jobs", "required": True,
+             "help": ""},
+        ]
+
+    def connect(self, config: dict) -> bool:
+        self._config = config
+        return bool(config.get("api_key") and config.get("base_id"))
+
+    def test(self) -> bool:
+        try:
+            import requests
+            r = requests.get(
+                f"https://api.airtable.com/v0/{self._config['base_id']}/{self._config.get('table_name', '')}",
+                headers={"Authorization": f"Bearer {self._config['api_key']}"},
+                params={"maxRecords": 1},
+                timeout=8,
+            )
+            return r.status_code == 200
+        except Exception:
+            return False
diff --git a/scripts/integrations/apple_calendar.py b/scripts/integrations/apple_calendar.py
new file mode 100644
index 0000000..71f9d17
--- /dev/null
+++ b/scripts/integrations/apple_calendar.py
@@ -0,0 +1,48 @@
+from __future__ import annotations
+from scripts.integrations.base import IntegrationBase
+
+
+class AppleCalendarIntegration(IntegrationBase):
+    name = "apple_calendar"
+    label = "Apple Calendar (CalDAV)"
+    tier = "paid"
+
+    def __init__(self):
+        self._config: dict = {}
+
+    def fields(self) -> list[dict]:
+        return [
+            {"key": "caldav_url", "label": "CalDAV URL", "type": "url",
+             "placeholder": "https://caldav.icloud.com/", "required": True,
+             "help": "iCloud: https://caldav.icloud.com/  |  self-hosted: your server URL"},
+            {"key": "username", "label": "Apple ID / username", "type": "text",
+             "placeholder": "you@icloud.com", "required": True,
+             "help": ""},
+            {"key": "app_password", "label": "App-Specific Password", "type": "password",
+             "placeholder": "xxxx-xxxx-xxxx-xxxx", "required": True,
+             "help": "appleid.apple.com → Security → App-Specific Passwords → Generate"},
+            {"key": "calendar_name", "label": "Calendar name", "type": "text",
+             "placeholder": "Interviews", "required": True,
+             "help": "Name of the calendar to write interview events to"},
+        ]
+
+    def connect(self, config: dict) -> bool:
+        self._config = config
+        return bool(
+            config.get("caldav_url") and
+            config.get("username") and
+            config.get("app_password")
+        )
+
+    def test(self) -> bool:
+        try:
+            import caldav
+            client = caldav.DAVClient(
+                url=self._config["caldav_url"],
+                username=self._config["username"],
+                password=self._config["app_password"],
+            )
+            principal = client.principal()
+            return principal is not None
+        except Exception:
+            return False
diff --git a/scripts/integrations/discord.py b/scripts/integrations/discord.py
new file mode 100644
index 0000000..2f80a61
--- /dev/null
+++ b/scripts/integrations/discord.py
@@ -0,0 +1,34 @@
+from __future__ import annotations
+from scripts.integrations.base import IntegrationBase
+
+
+class DiscordIntegration(IntegrationBase):
+    name = "discord"
+    label = "Discord (webhook)"
+    tier = "free"
+
+    def __init__(self):
+        self._config: dict = {}
+
+    def fields(self) -> list[dict]:
+        return [
+            {"key": "webhook_url", "label": "Webhook URL", "type": "url",
+             "placeholder": "https://discord.com/api/webhooks/…", "required": True,
+             "help": "Server Settings → Integrations → Webhooks → New Webhook → Copy URL"},
+        ]
+
+    def connect(self, config: dict) -> bool:
+        self._config = config
+        return bool(config.get("webhook_url"))
+
+    def test(self) -> bool:
+        try:
+            import requests
+            r = requests.post(
+                self._config["webhook_url"],
+                json={"content": "Peregrine connected successfully."},
+                timeout=8,
+            )
+            return r.status_code in (200, 204)
+        except Exception:
+            return False
diff --git a/scripts/integrations/dropbox.py b/scripts/integrations/dropbox.py
new file mode 100644
index 0000000..d6c0d60
--- /dev/null
+++ b/scripts/integrations/dropbox.py
@@ -0,0 +1,37 @@
+from __future__ import annotations
+from scripts.integrations.base import IntegrationBase
+
+
+class DropboxIntegration(IntegrationBase):
+    name = "dropbox"
+    label = "Dropbox"
+    tier = "free"
+
+    def __init__(self):
+        self._config: dict = {}
+
+    def fields(self) -> list[dict]:
+        return [
+            {"key": "access_token", "label": "Access Token", "type": "password",
+             "placeholder": "sl.…", "required": True,
+             "help": "dropbox.com/developers/apps → App Console → Generate access token"},
+            {"key": "folder_path", "label": "Folder path", "type": "text",
+             "placeholder": "/Peregrine", "required": True,
+             "help": "Dropbox folder path where resumes/cover letters will be stored"},
+        ]
+
+    def connect(self, config: dict) -> bool:
+        self._config = config
+        return bool(config.get("access_token"))
+
+    def test(self) -> bool:
+        try:
+            import requests
+            r = requests.post(
+                "https://api.dropboxapi.com/2/users/get_current_account",
+                headers={"Authorization": f"Bearer {self._config['access_token']}"},
+                timeout=8,
+            )
+            return r.status_code == 200
+        except Exception:
+            return False
diff --git a/scripts/integrations/google_calendar.py b/scripts/integrations/google_calendar.py
new file mode 100644
index 0000000..cd2c634
--- /dev/null
+++ b/scripts/integrations/google_calendar.py
@@ -0,0 +1,31 @@
+from __future__ import annotations
+import os
+from scripts.integrations.base import IntegrationBase
+
+
+class GoogleCalendarIntegration(IntegrationBase):
+    name = "google_calendar"
+    label = "Google Calendar"
+    tier = "paid"
+
+    def __init__(self):
+        self._config: dict = {}
+
+    def fields(self) -> list[dict]:
+        return [
+            {"key": "calendar_id", "label": "Calendar ID", "type": "text",
+             "placeholder": "primary  or  xxxxx@group.calendar.google.com", "required": True,
+             "help": "Settings → Calendars → [name] → Integrate calendar → Calendar ID"},
+            {"key": "credentials_json", "label": "Service Account JSON path", "type": "text",
+             "placeholder": "~/credentials/google-calendar-sa.json", "required": True,
+             "help": "Download from Google Cloud Console → Service Accounts → Keys"},
+        ]
+
+    def connect(self, config: dict) -> bool:
+        self._config = config
+        return bool(config.get("calendar_id") and config.get("credentials_json"))
+
+    def test(self) -> bool:
+        # TODO: use google-api-python-client calendars().get()
+        creds = os.path.expanduser(self._config.get("credentials_json", ""))
+        return os.path.exists(creds)
diff --git a/scripts/integrations/google_drive.py b/scripts/integrations/google_drive.py
new file mode 100644
index 0000000..1d2cc00
--- /dev/null
+++ b/scripts/integrations/google_drive.py
@@ -0,0 +1,31 @@
+from __future__ import annotations
+import os
+from scripts.integrations.base import IntegrationBase
+
+
+class GoogleDriveIntegration(IntegrationBase):
+    name = "google_drive"
+    label = "Google Drive"
+    tier = "free"
+
+    def __init__(self):
+        self._config: dict = {}
+
+    def fields(self) -> list[dict]:
+        return [
+            {"key": "folder_id", "label": "Folder ID", "type": "text",
+             "placeholder": "Paste the folder ID from the Drive URL", "required": True,
+             "help": "Open the folder in Drive → copy the ID from the URL after /folders/"},
+            {"key": "credentials_json", "label": "Service Account JSON path", "type": "text",
+             "placeholder": "~/credentials/google-drive-sa.json", "required": True,
+             "help": "Download from Google Cloud Console → Service Accounts → Keys"},
+        ]
+
+    def connect(self, config: dict) -> bool:
+        self._config = config
+        return bool(config.get("folder_id") and config.get("credentials_json"))
+
+    def test(self) -> bool:
+        # TODO: use google-api-python-client to list the folder
+        creds = os.path.expanduser(self._config.get("credentials_json", ""))
+        return os.path.exists(creds)
diff --git a/scripts/integrations/google_sheets.py b/scripts/integrations/google_sheets.py
new file mode 100644
index 0000000..656ad7f
--- /dev/null
+++ b/scripts/integrations/google_sheets.py
@@ -0,0 +1,34 @@
+from __future__ import annotations
+import os
+from scripts.integrations.base import IntegrationBase
+
+
+class GoogleSheetsIntegration(IntegrationBase):
+    name = "google_sheets"
+    label = "Google Sheets"
+    tier = "paid"
+
+    def __init__(self):
+        self._config: dict = {}
+
+    def fields(self) -> list[dict]:
+        return [
+            {"key": "spreadsheet_id", "label": "Spreadsheet ID", "type": "text",
+             "placeholder": "From the URL: /d/<ID>/edit", "required": True,
+             "help": ""},
+            {"key": "sheet_name", "label": "Sheet name", "type": "text",
+             "placeholder": "Jobs", "required": True,
+             "help": "Name of the tab to write to"},
+            {"key": "credentials_json", "label": "Service Account JSON path", "type": "text",
+             "placeholder": "~/credentials/google-sheets-sa.json", "required": True,
+             "help": "Download from Google Cloud Console → Service Accounts → Keys"},
+        ]
+
+    def connect(self, config: dict) -> bool:
+        self._config = config
+        return bool(config.get("spreadsheet_id") and config.get("credentials_json"))
+
+    def test(self) -> bool:
+        # TODO: use gspread to open_by_key()
+        creds = os.path.expanduser(self._config.get("credentials_json", ""))
+        return os.path.exists(creds)
diff --git a/scripts/integrations/home_assistant.py b/scripts/integrations/home_assistant.py
new file mode 100644
index 0000000..3ed7922
--- /dev/null
+++ b/scripts/integrations/home_assistant.py
@@ -0,0 +1,40 @@
+from __future__ import annotations
+from scripts.integrations.base import IntegrationBase
+
+
+class HomeAssistantIntegration(IntegrationBase):
+    name = "home_assistant"
+    label = "Home Assistant"
+    tier = "free"
+
+    def __init__(self):
+        self._config: dict = {}
+
+    def fields(self) -> list[dict]:
+        return [
+            {"key": "base_url", "label": "Home Assistant URL", "type": "url",
+             "placeholder": "http://homeassistant.local:8123", "required": True,
+             "help": ""},
+            {"key": "token", "label": "Long-Lived Access Token", "type": "password",
+             "placeholder": "eyJ0eXAiOiJKV1Qi…", "required": True,
+             "help": "Profile → Long-Lived Access Tokens → Create Token"},
+            {"key": "notification_service", "label": "Notification service", "type": "text",
+             "placeholder": "notify.mobile_app_my_phone", "required": True,
+             "help": "Developer Tools → Services → search 'notify' to find yours"},
+        ]
+
+    def connect(self, config: dict) -> bool:
+        self._config = config
+        return bool(config.get("base_url") and config.get("token"))
+
+    def test(self) -> bool:
+        try:
+            import requests
+            r = requests.get(
+                f"{self._config['base_url'].rstrip('/')}/api/",
+                headers={"Authorization": f"Bearer {self._config['token']}"},
+                timeout=8,
+            )
+            return r.status_code == 200
+        except Exception:
+            return False
diff --git a/scripts/integrations/mega.py b/scripts/integrations/mega.py
new file mode 100644
index 0000000..d9ee02c
--- /dev/null
+++ b/scripts/integrations/mega.py
@@ -0,0 +1,32 @@
+from __future__ import annotations
+from scripts.integrations.base import IntegrationBase
+
+
+class MegaIntegration(IntegrationBase):
+    name = "mega"
+    label = "MEGA"
+    tier = "free"
+
+    def __init__(self):
+        self._config: dict = {}
+
+    def fields(self) -> list[dict]:
+        return [
+            {"key": "email", "label": "MEGA email", "type": "text",
+             "placeholder": "you@example.com", "required": True,
+             "help": "Your MEGA account email address"},
+            {"key": "password", "label": "MEGA password", "type": "password",
+             "placeholder": "your-mega-password", "required": True,
+             "help": "Your MEGA account password"},
+            {"key": "folder_path", "label": "Folder path", "type": "text",
+             "placeholder": "/Peregrine", "required": True,
+             "help": "MEGA folder path for resumes and cover letters"},
+        ]
+
+    def connect(self, config: dict) -> bool:
+        self._config = config
+        return bool(config.get("email") and config.get("password"))
+
+    def test(self) -> bool:
+        # TODO: use mega.py SDK to login and verify folder access
+        return bool(self._config.get("email") and self._config.get("password"))
diff --git a/scripts/integrations/nextcloud.py b/scripts/integrations/nextcloud.py
new file mode 100644
index 0000000..d2a2f94
--- /dev/null
+++ b/scripts/integrations/nextcloud.py
@@ -0,0 +1,48 @@
+from __future__ import annotations
+from scripts.integrations.base import IntegrationBase
+
+
+class NextcloudIntegration(IntegrationBase):
+    name = "nextcloud"
+    label = "Nextcloud"
+    tier = "free"
+
+    def __init__(self):
+        self._config: dict = {}
+
+    def fields(self) -> list[dict]:
+        return [
+            {"key": "host", "label": "Nextcloud URL", "type": "url",
+             "placeholder": "https://nextcloud.example.com", "required": True,
+             "help": "Your Nextcloud server URL"},
+            {"key": "username", "label": "Username", "type": "text",
+             "placeholder": "your-username", "required": True,
+             "help": ""},
+            {"key": "password", "label": "Password / App password", "type": "password",
+             "placeholder": "your-password", "required": True,
+             "help": "Recommend using a Nextcloud app password for security"},
+            {"key": "folder_path", "label": "Folder path", "type": "text",
+             "placeholder": "/Peregrine", "required": True,
+             "help": "Nextcloud WebDAV folder for resumes and cover letters"},
+        ]
+
+    def connect(self, config: dict) -> bool:
+        self._config = config
+        return bool(config.get("host") and config.get("username") and config.get("password"))
+
+    def test(self) -> bool:
+        try:
+            import requests
+            host = self._config["host"].rstrip("/")
+            username = self._config["username"]
+            folder = self._config.get("folder_path", "")
+            dav_url = f"{host}/remote.php/dav/files/{username}{folder}"
+            r = requests.request(
+                "PROPFIND", dav_url,
+                auth=(username, self._config["password"]),
+                headers={"Depth": "0"},
+                timeout=8,
+            )
+            return r.status_code in (207, 200)
+        except Exception:
+            return False
diff --git a/scripts/integrations/notion.py b/scripts/integrations/notion.py
new file mode 100644
index 0000000..203d00e
--- /dev/null
+++ b/scripts/integrations/notion.py
@@ -0,0 +1,35 @@
+from __future__ import annotations
+from scripts.integrations.base import IntegrationBase
+
+
+class NotionIntegration(IntegrationBase):
+    name = "notion"
+    label = "Notion"
+    tier = "paid"
+
+    def __init__(self):
+        self._token = ""
+        self._database_id = ""
+
+    def fields(self) -> list[dict]:
+        return [
+            {"key": "token", "label": "Integration Token", "type": "password",
+             "placeholder": "secret_…", "required": True,
+             "help": "Settings → Connections → Develop or manage integrations → New integration"},
+            {"key": "database_id", "label": "Database ID", "type": "text",
+             "placeholder": "32-character ID from Notion URL", "required": True,
+             "help": "Open your Notion database → Share → Copy link → extract the ID"},
+        ]
+
+    def connect(self, config: dict) -> bool:
+        self._token = config.get("token", "")
+        self._database_id = config.get("database_id", "")
+        return bool(self._token and self._database_id)
+
+    def test(self) -> bool:
+        try:
+            from notion_client import Client
+            db = Client(auth=self._token).databases.retrieve(self._database_id)
+            return bool(db)
+        except Exception:
+            return False
diff --git a/scripts/integrations/onedrive.py b/scripts/integrations/onedrive.py
new file mode 100644
index 0000000..6f8af58
--- /dev/null
+++ b/scripts/integrations/onedrive.py
@@ -0,0 +1,33 @@
+from __future__ import annotations
+from scripts.integrations.base import IntegrationBase
+
+
+class OneDriveIntegration(IntegrationBase):
+    name = "onedrive"
+    label = "OneDrive"
+    tier = "free"
+
+    def __init__(self):
+        self._config: dict = {}
+
+    def fields(self) -> list[dict]:
+        return [
+            {"key": "client_id", "label": "Application (client) ID", "type": "text",
+             "placeholder": "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx", "required": True,
+             "help": "Azure portal → App registrations → your app → Application (client) ID"},
+            {"key": "client_secret", "label": "Client secret", "type": "password",
+             "placeholder": "your-client-secret", "required": True,
+             "help": "Azure portal → your app → Certificates & secrets → New client secret"},
+            {"key": "folder_path", "label": "Folder path", "type": "text",
+             "placeholder": "/Peregrine", "required": True,
+             "help": "OneDrive folder path for resumes and cover letters"},
+        ]
+
+    def connect(self, config: dict) -> bool:
+        self._config = config
+        return bool(config.get("client_id") and config.get("client_secret"))
+
+    def test(self) -> bool:
+        # TODO: OAuth2 token exchange via MSAL, then GET /me/drive
+        # For v1, return True if required fields are present
+        return bool(self._config.get("client_id") and self._config.get("client_secret"))
diff --git a/scripts/integrations/slack.py b/scripts/integrations/slack.py
new file mode 100644
index 0000000..e2c6614
--- /dev/null
+++ b/scripts/integrations/slack.py
@@ -0,0 +1,37 @@
+from __future__ import annotations
+from scripts.integrations.base import IntegrationBase
+
+
+class SlackIntegration(IntegrationBase):
+    name = "slack"
+    label = "Slack"
+    tier = "paid"
+
+    def __init__(self):
+        self._config: dict = {}
+
+    def fields(self) -> list[dict]:
+        return [
+            {"key": "webhook_url", "label": "Incoming Webhook URL", "type": "url",
+             "placeholder": "https://hooks.slack.com/services/…", "required": True,
+             "help": "api.slack.com → Your Apps → Incoming Webhooks → Add New Webhook"},
+            {"key": "channel", "label": "Channel (optional)", "type": "text",
+             "placeholder": "#job-alerts", "required": False,
+             "help": "Leave blank to use the webhook's default channel"},
+        ]
+
+    def connect(self, config: dict) -> bool:
+        self._config = config
+        return bool(config.get("webhook_url"))
+
+    def test(self) -> bool:
+        try:
+            import requests
+            r = requests.post(
+                self._config["webhook_url"],
+                json={"text": "Peregrine connected successfully."},
+                timeout=8,
+            )
+            return r.status_code == 200
+        except Exception:
+            return False
diff --git a/tests/test_integrations.py b/tests/test_integrations.py
index a858792..b2b0604 100644
--- a/tests/test_integrations.py
+++ b/tests/test_integrations.py
@@ -126,3 +126,56 @@ def test_sync_default_returns_zero():
     inst = TestIntegration()
     assert inst.sync([]) == 0
     assert inst.sync([{"id": 1}]) == 0
+
+
+def test_registry_has_all_13_integrations():
+    """After all modules are implemented, registry should have 13 entries."""
+    from scripts.integrations import REGISTRY
+    expected = {
+        "notion", "google_drive", "google_sheets", "airtable",
+        "dropbox", "onedrive", "mega", "nextcloud",
+        "google_calendar", "apple_calendar",
+        "slack", "discord", "home_assistant",
+    }
+    assert expected == set(REGISTRY.keys()), (
+        f"Missing: {expected - set(REGISTRY.keys())}, "
+        f"Extra: {set(REGISTRY.keys()) - expected}"
+    )
+
+
+def test_all_integrations_have_required_attributes():
+    from scripts.integrations import REGISTRY
+    for name, cls in REGISTRY.items():
+        assert hasattr(cls, "name") and cls.name, f"{name} missing .name"
+        assert hasattr(cls, "label") and cls.label, f"{name} missing .label"
+        assert hasattr(cls, "tier") and cls.tier in ("free", "paid", "premium"), f"{name} invalid .tier"
+
+
+def test_all_integrations_fields_schema():
+    from scripts.integrations import REGISTRY
+    for name, cls in REGISTRY.items():
+        inst = cls()
+        fields = inst.fields()
+        assert isinstance(fields, list), f"{name}.fields() must return list"
+        for f in fields:
+            assert "key" in f, f"{name} field missing 'key'"
+            assert "label" in f, f"{name} field missing 'label'"
+            assert "type" in f, f"{name} field missing 'type'"
+            assert f["type"] in ("text", "password", "url", "checkbox"), \
+                f"{name} field type must be text/password/url/checkbox"
+
+
+def test_free_integrations():
+    from scripts.integrations import REGISTRY
+    free_integrations = {"google_drive", "dropbox", "onedrive", "mega", "nextcloud", "discord", "home_assistant"}
+    for name in free_integrations:
+        assert name in REGISTRY, f"{name} not in registry"
+        assert REGISTRY[name].tier == "free", f"{name} should be tier='free'"
+
+
+def test_paid_integrations():
+    from scripts.integrations import REGISTRY
+    paid_integrations = {"notion", "google_sheets", "airtable", "google_calendar", "apple_calendar", "slack"}
+    for name in paid_integrations:
+        assert name in REGISTRY, f"{name} not in registry"
+        assert REGISTRY[name].tier == "paid", f"{name} should be tier='paid'"