3,400+ MCP servers ready to use
Vinkius

Bring Sms Marketing
to Cline

Learn how to connect String to Cline and start using 10 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.

Check String StatusCreate ContactGet ContactGet MessageList CampaignsList ContactsList ConversationsList MessagesList TagsSend Message

What is the String MCP Server?

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

Built-in capabilities (10)

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

Why Cline?

Cline operates autonomously inside VS Code. it reads your codebase, plans a strategy, and executes multi-step tasks including String tool calls without waiting for prompts between steps. Connect 10 tools through Vinkius and Cline can fetch data, generate code, and commit changes in a single autonomous run.

  • Cline operates autonomously. it reads your codebase, plans a strategy, and executes multi-step tasks including MCP tool calls without step-by-step prompts

  • Runs inside VS Code, so you get MCP tool access alongside your existing extensions, terminal, and version control in a single window

  • Cline can create, edit, and delete files based on MCP tool responses, enabling end-to-end automation from data retrieval to code generation

  • Transparent execution: every tool call and file change is shown in Cline's activity log for full visibility and approval before committing

See it in action

String in Cline

AI AgentVinkius
High Security·Kill Switch·Plug and Play
Why Vinkius

String and 3,400+ other MCP servers. One platform. One governance layer.

Teams that connect String to Cline through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.

3,400+MCP Servers ready
<40msCold start
60%Token savings
Raw MCP
Vinkius
Server catalogFind and host yourself3,400+ managed
InfrastructureSelf-hostedSandboxed V8 isolates
Credential handlingPlaintext in configVault + runtime injection
Data loss preventionNoneConfigurable DLP policies
Kill switchNoneGlobal instant shutdown
Financial circuit breakersNonePer-server limits + alerts
Audit trailNoneEd25519 signed logs
SIEM log streamingNoneSplunk, Datadog, Webhook
HoneytokensNoneCanary alerts on leak
Custom domainsNot applicableDNS challenge verified
GDPR complianceManual effortAutomated purge + export
Enterprise Security

Why teams choose Vinkius for String in Cline

The String 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. All 10 tools execute in hardened sandboxes optimized for native MCP execution.

Your AI agents in Cline 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, zero maintenance.

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

The Vinkius Advantage

How Vinkius secures String for Cline

Every tool call from Cline to the String MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.

< 40msCold start
Ed25519Signed audit chain
60%Token savings
FAQ

Frequently asked questions

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.

04

How does Cline connect to MCP servers?

Cline reads MCP server configurations from its settings panel in VS Code. Add the server URL and Cline discovers all available tools on initialization.

05

Can Cline run MCP tools without approval?

By default, Cline asks for confirmation before executing tool calls. You can configure auto-approval rules for trusted servers in the settings.

06

Does Cline support multiple MCP servers at once?

Yes. Configure as many servers as needed. Cline can use tools from different servers within the same autonomous task execution.

07

Server shows error in sidebar

Click the server name to see logs. Verify the URL and token are correct.