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Vinkius

String Connector for AI agents.

10 live capabilities

Manage SMS marketing campaigns and customer messaging from your AI agent.

Live agent request String / Connector

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AI Agent

Why people use String

String for SMS Marketing Automation

This Connector changes that. Your agent handles the heavy lifting. It can pull the contact, check the history, and send the text in one go. You get a clean history and a faster way to talk to your customers.

  • Claude
  • ChatGPT
  • Gemini
  • Cursor
  • Visual Studio Code
  • Windsurf

What Vinkius changes

You get a direct line from your AI agent to your mobile messaging platform.

Use it from Claude, ChatGPT, Cursor or another AI client you already have.

One account · 5,900+ Connectors

  1. Real-world use case 01

    Updating a customer on an order

    A customer wants an update.

  2. Real-world use case 02

    Onboarding a new lead

    A new lead comes in from a web form.

  3. Real-world use case 03

    Auditing recent outreach

    You need to know who has been contacted today.

Complete set · 10capabilities

The complete String capability set.

These are the exact actions your AI can choose when you ask it to work with String.

Capability set01 / 03

01—04

4 capabilities in this set.

Part of 10 available through String.

  1. 01 Capability

    Get contact

    Pulls up specific details for a single contact. Use this to quickly see a customer's history.

  2. 02 Capability

    Get message

    Retrieves the content and metadata of a specific message. It's useful for checking exact delivery details.

  3. 03 Capability

    List campaigns

    Shows all your current and past SMS marketing campaigns. Use this to monitor your outreach efforts.

  4. 04 Capability

    List contacts

    Provides a full list of every contact in your String account. It helps you see your entire reachable audience.

Capability set02 / 03

05—07

3 capabilities in this set.

Part of 10 available through String.

  1. 05 Capability

    List conversations

    Shows all your active messaging threads with customers. This keeps your team updated on live chats.

  2. 06 Capability

    List messages

    Lists all recent messages across your account. It's a quick way to see the latest activity.

  3. 07 Capability

    List tags

    Shows all the custom tags you've created for segmentation. Use this to see how your audience is categorized.

Capability set03 / 03

08—10

3 capabilities in this set.

Part of 10 available through String.

  1. 08 Capability

    Send message

    Sends a new SMS or MMS to a specific phone number. This is the primary capability for direct customer outreach.

  2. 09 Capability

    Check string status

    Verifies that your account is connected and working correctly. Run this to troubleshoot connection issues.

  3. 10 Capability

    Create contact

    Adds a new person to your database with their details. It automates the manual entry of new leads.

Set up in minutes

One URL. Then ask String to work.

Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use String from the conversation.

Choose your client

Live preview
Advanced clients IDE · CLI

Claude · Web + desktop

Official guide ↗

Connector URL · ready to paste

Streamable HTTP
https://edge.vinkius.com/vk_preview_brDg9YXfQzWKRJ2TC3zsIAUXNuDW1xcYrVdnNr1I/mcp
  1. Step 01

    Open Connectors

    In Claude Web or Claude Desktop, open Settings and choose Connectors.

  2. Step 02

    Add the URL

    Choose Add custom connector, name it String, and paste the URL above.

  3. Step 03

    Turn it on in chat

    Select +, open Connectors, and enable String for the conversation.

Where the request belongs

Work String can move forward.

Built around the request

The customer success lead who's tired of manually copy-pasting phone numbers into a CRM or the marketing manager who needs to blast out alerts without the headache of manual list management.

01

Customer Success Manager

Responding to inquiries and updating contact notes in real-time during customer calls.

02

SMS Marketing Specialist

Launching campaigns and checking delivery statuses quickly to ensure high engagement.

03

Sales Operations Lead

Organizing leads with tags and ensuring messaging history is searchable for the team.

Build the capability set

Add more capabilities.

Each Connector adds new actions and data without changing how you work.

Browse Connectors
ActiveTrail logo
01 5 capabilities

ActiveTrail

Email and SMS marketing automation. manage contacts, campaigns, and group segments via AI.

View Connector
Omnisend Marketing logo
02 10 capabilities

Omnisend Marketing

Manage omnichannel marketing via Omnisend. track email/SMS campaigns, contacts, and segments directly from your AI agent.

View Connector
Tatango logo
03 12 capabilities

Tatango

Run high-volume SMS and MMS campaigns for enterprise marketing with compliance capabilities that keep you TCPA-safe at scale.

View Connector
SendCloud logo
04 10 capabilities

SendCloud

Leading email and SMS marketing platform. manage campaigns, templates, and addresses via AI.

View Connector
Brevo logo
05 11 capabilities

Brevo

Engage customers across email, SMS, and chat with marketing campaigns and transactional messaging that scale with you.

View Connector
Chiirp logo
06 12 capabilities

Chiirp

Engage leads and customers through automated text, email, and voicemail campaigns that nurture relationships at scale.

View Connector

Bring your own AI

Change the model, client or framework. Keep String connected.

  • Claude
  • ChatGPT
  • Gemini
  • Cursor
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  • Windsurf
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  • 5ire
  • n8n
  • LangChain
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  • CrewAI
  • Vercel AI SDK

Before you connect

Questions about String.

The practical details behind the request, access and result.

Can the String MCP send MMS files?

Yes, it supports both SMS and MMS. Your agent can send text messages or include images and other media to reach your customers.

How does the String MCP handle my contact list?

It gives your agent direct access to your records. Your agent can pull up existing details or add new people to your database automatically.

Can I use the String MCP to track marketing campaigns?

Absolutely. You can ask your agent to list your campaigns to see what's currently running and how your outreach is performing.

What happens when I use the String MCP to send a text?

Your agent sends the message through the String platform and can confirm the delivery status for you, keeping your records up to date.

Can the String MCP check if my account is connected?

Yes, there is a dedicated way for your agent to verify your connection status to ensure everything is working correctly before you start a task.

How does the String MCP help with customer segmentation?

It allows your agent to view and manage your tags. This means you can quickly organize your audience into groups for more targeted messaging.

Can my AI send text messages?

Yes. Use send_message with the recipient phone number and message text. The agent delivers it via String.

Can I view conversation history?

Yes. list_conversations shows all active threads, and list_messages returns full message history.

Can I create contacts through the AI?

Yes. create_contact adds a new contact with name and phone number to your String directory.

One connection away

Give your agent a direct line to String.

Connect String once. Keep it beside 5,900+ managed Connectors when the next task needs more.

Explore every Connector No credit card required · Free tier available