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String

String MCP Server with 10 Tools Ready for AI Agents

MCP Inspector GDPR Free for Subscribers

Engage mobile app users with targeted push notifications, in-app messages, and behavioral triggers that improve retention. Unlock 10 tools ready out of the box. Connect this App Connector to instantly empower AI agents like Claude Code, Cursor, or any MCP-compatible client with advanced capabilities.

Built for AI Agents by Vinkius

Ask AI about this App Connector

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius delivers Streamable HTTP and SSE to any MCP client

AI Agent→Vinkius
High Security·Kill Switch·Plug and Play
String
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
EU AI ActCompliant
DLPData protection
V8 IsolateSandboxed
Ed25519Audit chain
<40msKill switch
Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

What is the String MCP Server?

The String MCP Server gives AI agents like Claude, ChatGPT, and Cursor direct access to String via 10 tools. Engage mobile app users with targeted push notifications, in-app messages, and behavioral triggers that improve retention. Powered by the Vinkius - no API keys, no infrastructure, connect in under 2 minutes.

Built-in capabilities (10)

check_string_statuscreate_contactget_contactget_messagelist_campaignslist_contactslist_conversationslist_messageslist_tagssend_message

Tools for your AI Agents to operate String

Ask your AI agent "Send a text to +14155551234 saying 'Your order is ready for pickup'." and get the answer without opening a single dashboard. With 10 tools connected to real String data, your agents reason over live information, cross-reference it with other MCP servers, and deliver insights you would spend hours assembling manually.

Works with Claude, ChatGPT, Cursor, and any MCP-compatible client. Powered by the Vinkius - your credentials never touch the AI model, every request is auditable. Connect in under two minutes.

Why teams choose Vinkius

One subscription gives you access to thousands of MCP servers - and you can deploy your own to the Vinkius Edge. Your AI agents only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure and security, zero maintenance.

Build your own MCP Server with our secure development framework →

The String App Connector works with every AI agent you already use

…and any MCP-compatible client

CursorClaudeOpenAIVS CodeCopilotGoogleLovableMistralAWSCursorClaudeOpenAIVS CodeCopilotGoogleLovableMistralAWS

Use all 10 String tools with your AI agents right now

Empower your AI agents to connect to String and securely perform advanced actions on Vinkius infrastructure. Beyond a simple connection, you gain an advanced AI Gateway that provides complete visibility into agent activity, ensuring maximum governance and optimized token usage.

check_string_status

Verify API connectivity

create_contact

Create a contact

get_contact

Get contact details

get_message

Get message details

list_campaigns

List campaigns

list_contacts

List all contacts

list_conversations

List conversations

list_messages

List messages

list_tags

List all tags

send_message

Send a text message

What the String MCP Server unlocks

Connect your String account to any AI agent and manage business messaging.

What you can do

  • Contact Management — List, view, and create contacts
  • Messaging — Send SMS and MMS messages to any phone number
  • Conversation Tracking — View message history and active threads
  • Campaign Management — List SMS marketing campaigns
  • Tag Organization — View contact tags for segmentation
  • Health Check — Verify API connectivity

Frequently asked questions about the String MCP Server

01

Can my AI send text messages?

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

02

Can I view conversation history?

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

03

Can I create contacts through the AI?

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

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