Postscript MCP. Manage SMS Marketing Data Inside Your Chat.
Postscript MCP connects your AI agent directly to your Shopify SMS marketing account. Manage subscribers, campaign performance, and automated keywords conversationally from any chat client. You can list all contacts, monitor abandoned cart flows, update user details, and even check overall account plan health—all without touching a dashboard.
Give Claude and any AI agent real-world access
List every active subscriber and fetch specific details about individual user profiles.
Access performance data for all your SMS campaigns and automated flows, like welcome series or cart recovery sequences.
Search through and list the keywords that manage how customers opt-in to your messaging program.
Create, delete, or view webhook metadata to keep your system integrations running smoothly.
Get high-level information about your Postscript account and current plan details.
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What AI agents can do with Postscript: 12 Tools for E-commerce Marketing
Use these tools to manage every aspect of your SMS marketing operations, from listing contacts to monitoring campaign revenue.
Make your AI actually useful.
Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.
Start using Postscript MCPCreate Subscriber
Adds a new customer to your SMS subscriber list, making sure they are opted in.
Create Webhook
Sets up a new webhook endpoint so Postscript can send data to an external system.
Delete Webhook
Removes an existing, no-longer-needed webhook from your account.
Get Account Info
Retrieves general details about your overall Postscript marketing account and plan.
Get Campaign
Fetches detailed performance metrics for a specific SMS campaign you ran.
Get Subscriber
Retrieves all profile details and history for one specific subscriber by their identifier.
List Automations
Lists all the automated marketing flows, such as 'Welcome Series' or 'Abandoned Cart', that are active.
List Campaigns
Provides a list of every SMS campaign you have run or scheduled.
List Keywords
Shows all the short code keywords used for customer sign-ups and opt-ins.
List Subscribers
Generates a complete list of every phone number currently managed in your subscriber...
List Webhooks
Lists all the current, active webhooks connected to or running from your account.
Update Subscriber
Changes specific information for an existing subscriber record, like updating their name or email.
Security and governance baked right in.
Pick your AI client below to get set up. Just create a Vinkius account, subscribe, and you're instantly up and running. We handle the entire backend infrastructure, delivering out-of-the-box support for HTTPS Streamable, SSE, and OAuth2—zero messy routing required.
Choose How to Get Started
Build a custom MCP for your own tools, or connect a ready-made integration from our catalog.
Build Your Own
Turn any API into an MCP. Import a spec, define Agent Skills, or deploy with MCPFusion.
- Import from OpenAPI, Swagger, or YAML specs
- Create Agent Skills with progressive disclosure
- Deploy to edge with MCPFusion framework
- Built in DLP, auth, and compliance on each call
- Real time usage dashboard and cost metering
- Publish to catalog or keep private
Make Your AI Do More
Start with Postscript, then connect any of our 5,200+ other servers whenever your AI needs more. One click, no limits.
- Use this MCP plus 5,200+ others, all in one place
- Add new capabilities to your AI anytime you want
- Connections are secured and governed automatically
- Track usage and costs across all your servers
- Works with Claude, ChatGPT, Cursor, and more
- New servers added to the catalog weekly
Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Postscript. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.
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The Dashboard Data Dump
Today, checking on your SMS marketing health means opening Postscript. You click to 'Campaigns,' then you filter by date range, and if you need subscriber counts, you open a whole other tab for the audience list. If you're trying to solve one problem—like figuring out which keywords are underperforming—you end up clicking through five different sections and copying data into a spreadsheet just to make sense of it.
With this MCP, that entire routine vanishes. Instead of juggling tabs, you tell your agent: 'What were the top 3 performing campaigns last month?' You get a single, concise answer with specific metrics instantly. It's like having an expert marketing coordinator who lives inside your chat.
Postscript MCP gives you full control over subscriber and campaign data.
Before this, updating a user or checking the status of your automations required logging in, finding the right menu item, filling out forms, and hitting 'Save.' It was slow, prone to human error, and always interrupted your flow state.
Now, you just talk to it. Tell your agent: 'Update Sarah Chen's profile with her new phone number.' The task executes instantly in the background using `update_subscriber`. You manage everything conversationally.
What Postscript MCP does for your AI
This integration lets you run your full SMS marketing operation through natural language conversation. Instead of logging into the Postscript dashboard to check metrics or manage lists, your AI agent acts as a dedicated growth manager for your brand. You can retrieve detailed subscriber information and monitor how well your campaigns are performing—for example, checking conversion rates on past promotions.
Need to update someone's profile? Your agent handles it with simple commands. The entire process of managing audience data, monitoring automated flows like abandoned cart recovery, or listing all active keywords happens right in the chat window. If you use Vinkius for your MCP catalog, this connection makes sure your AI client has instant, deep access to all the tools required to keep your SMS revenue growing.
019dd140-7984-732e-b8cd-7c199d890bbd How to set up Postscript MCP
The bottom line is that you can automate complex, multi-step marketing data checks using only conversation.
Subscribe to this MCP on Vinkius and enter your unique Postscript Private API Key from the platform settings.
Your AI agent authenticates the connection, granting it access to read and write marketing data within Postscript.
You simply ask your agent to perform a task—like 'Show me the performance of the last abandoned cart campaign'—and get an immediate answer.
Who uses Postscript MCP
This connector is for the e-commerce marketer who spends too much time jumping between Shopify and Postscript dashboards. If checking campaign performance or updating a subscriber list feels like a chore, you need this.
Runs daily reports on campaign revenue and uses the MCP to pull specific metrics on demand without switching tabs.
Needs quick visibility into subscriber count, keyword sources, or account plan limits right inside their chat interface.
Manages system health by listing webhooks and checking webhook metadata to ensure marketing automations don't break.
Benefits of connecting Postscript MCP
Stop switching apps. You can get a complete list of subscribers and their profiles using list_subscribers and get_subscriber without leaving your chat client, saving hours of context-switching time.
Know exactly where your leads are coming from. Use list_keywords to review all opt-in sources instantly, giving you actionable data on which marketing channels work best for sign-ups.
Track revenue performance without logging in. You can check the details of specific promotions with get_campaign and see conversion rates right when you need them.
Automate compliance checks. Use create_subscriber to ensure any new lead is added while adhering to all necessary marketing regulations.
Maintain system stability. Quickly list active webhooks using list_webhooks so you can verify if your critical integrations are running correctly.
Postscript MCP use cases
Auditing a Campaign Flop
The manager needs to know why the 'Summer Sale' campaign only hit 50% of its projected audience. They prompt their agent to run list_campaigns and then focus on the specific performance data using get_campaign, immediately identifying that the messaging failed because they didn't update subscriber details first.
Building a New Lead Nurture Flow
The marketing specialist wants to start an abandoned cart flow. They use their agent to run list_automations, confirming that the 'Abandoned Cart Recovery' sequence is active, and then use get_account_info to ensure they have enough plan capacity for the new messages.
Handling a Data Cleanup Day
The operations team finds an old webhook pointing to a retired system. They use the agent to run list_webhooks, confirm the bad endpoint, and then execute delete_webhook instantly via chat.
Checking New Lead Quality
A sales rep gets a list of new contacts from Shopify. Instead of manual data entry, they ask their agent to run list_subscribers, then use get_subscriber on the top 10 leads to check for detailed profile metadata and ensure everything is accurate before outreach.
Postscript MCP tradeoffs
What to watch out for, and the recommended way to handle each one.
Checking metrics manually
Opening the Postscript dashboard, navigating to 'Campaigns,' filtering by date range, and then scrolling through dozens of reports to find one number.
Just ask your agent. Tell it: 'What was the total revenue from all campaigns last month?' The agent uses list_campaigns and get_campaign behind the scenes and gives you the single number immediately.
Forgetting compliance rules
Manually adding a new phone number to a spreadsheet and assuming it's ready for marketing messages, only to find out later that opt-in tracking failed.
Use the create_subscriber tool. This ensures the subscriber is added correctly according to Postscript’s compliance rules before you send any message.
Overlooking system dependencies
Having a scheduled automation fail because an old webhook was manually deleted or became invalid on another service.
Run list_webhooks first. This shows every active connection, letting you verify that all your necessary external services are still hooked up and communicating.
When to use Postscript MCP
Use this MCP if your job revolves around querying marketing performance data (campaigns, subscribers) or managing the technical backbone of SMS automations (webhooks). You need this connector when you're analyzing why a campaign performed poorly or when you need to perform quick operational maintenance tasks. Don't use it if you only ever send simple, one-off texts; basic messaging tools might suffice. If your core job is managing the raw e-commerce catalog (products, inventory), this isn't the right place—you'd need a dedicated Shopify Product API connector instead.
Frequently asked questions about Postscript MCP
How do I list all my SMS subscribers using Postscript MCP? +
You use the list_subscribers tool. This command retrieves a full roster of every phone number in your database, letting you know exactly who is opted into marketing messages.
Can I check campaign performance with Postscript MCP? +
Yes, use the list_campaigns tool first to see all available campaigns. Then, run get_campaign on any specific name to pull detailed metrics and revenue data.
What is the difference between listing subscribers and getting subscriber details in Postscript MCP? +
Running list_subscribers gives you a simple count and list of names. Running get_subscriber requires a specific ID, but it returns rich metadata—like their full profile history or last activity.
How do I make sure my automations are running correctly using Postscript MCP? +
You check the system status by using list_automations. This shows you if flows like abandoned cart recovery are active and configured properly for your store.
Do I need to worry about webhooks when using Postscript MCP? +
If other systems rely on Postscript sending data, you must use list_webhooks first. This confirms that every connection point is active and points to the correct endpoint.