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Vinkius
LlamaIndexFramework
LlamaIndex
Why use NumVerify MCP Server with LlamaIndex?

Bring Phone Validation
to LlamaIndex

Create your Vinkius account to connect NumVerify to LlamaIndex and start using all 4 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.

MCP Inspector GDPR Free for Subscribers
Get Phone CarrierGet Phone Line TypeGet Phone LocationValidate Phone
ChatGPT Claude Perplexity

Compatible with every major AI agent and IDE

ClaudeClaude
ChatGPTChatGPT
CursorCursor
GeminiGemini
WindsurfWindsurf
VS CodeVS Code
JetBrainsJetBrains
VercelVercel
+ other MCP clients
NumVerify

What is the NumVerify MCP Server?

Empower your AI agent to orchestrate your entire phone validation and identity verification workflow with NumVerify, the global API for phone number intelligence. By connecting NumVerify to your agent, you transform complex validation tasks into a natural conversation. Your agent can instantly verify if a number is valid, audit carrier information, and retrieve geographic location data without you ever touching a manual lookup tool. Whether you are cleaning lead lists or verifying user identity, your agent acts as a real-time communications analyst, ensuring your phone data is always verified and accurate.

What you can do

  • Phone Auditing — Verify if any international phone number is valid and retrieve detailed metadata, including country and dial codes.
  • Carrier Oversight — Identify the current carrier for a phone number to maintain a clear view of network distribution.
  • Location Discovery — Retrieve the geographic location (city/region) associated with a phone number instantly.
  • Line-type Intelligence — Identify if a number is a mobile, landline, or VoIP line to optimize your communication strategy.
  • Metadata Integrity — Retrieve official country names and formatting details to maintain strict organizational control over your contact data.

How it works

  1. Subscribe to this server
  2. Enter your NumVerify Access Key
  3. Start managing your phone intelligence through Claude, Cursor, or any MCP-compatible client

Who is this for?

  • Sales Operations — monitor lead lists and retrieve verified phone metadata straight from your workflow.
  • Marketing Managers — verify if contact numbers are valid and audit carrier distribution for SMS campaigns.
  • Security Teams — perform rapid audits of user phone numbers and identify line types through natural language.
  • Operations Leads — automate phone data querying to orchestrate cross-functional communications teams smoothly.

Built-in capabilities (4)

get_phone_carrier

Get carrier information for a phone number

get_phone_line_type

Identify if a phone number is mobile, landline, or other

get_phone_location

Get geographic location details for a phone number

validate_phone

Verify if a phone number is valid and retrieve metadata

Why LlamaIndex?

LlamaIndex agents combine NumVerify tool responses with indexed documents for comprehensive, grounded answers. Connect 4 tools through Vinkius and query live data alongside vector stores and SQL databases in a single turn. ideal for hybrid search, data enrichment, and analytical workflows.

  • Data-first architecture: LlamaIndex agents combine NumVerify tool responses with indexed documents for comprehensive, grounded answers

  • Query pipeline framework lets you chain NumVerify tool calls with transformations, filters, and re-rankers in a typed pipeline

  • Multi-source reasoning: agents can query NumVerify, a vector store, and a SQL database in a single turn and synthesize results

  • Observability integrations show exactly what NumVerify tools were called, what data was returned, and how it influenced the final answer

L
See it in action

NumVerify in LlamaIndex

AI AgentVinkius
High Security·Kill Switch·Plug and Play
Enterprise Security

Why run NumVerify with Vinkius?

The NumVerify connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 4 tools are ready to work instantly without any complex setup.

You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.

View full NumVerify details →
NumVerify
Fully ManagedNo server setup
Plug & PlayNo coding needed
SecurePrivacy protected
PrivateYour data is safe
Cost ControlBudget limits
Control1-click disconnect
Auto-UpdatesMaintenance free
High SpeedOptimized for AI
Reliable99.9% uptime
Your credentials and connection tokens are fully encrypted

* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure

01 / Catalog

Over 4,000 integrations ready for AI agents

Explore a vast library of pre-built integrations, optimized and ready to deploy.

02 / Credentials

Connect securely in under 30 seconds

Generate tokens to authenticate and link external services in a single step.

03 / Guardian

Complete visibility into every agent action

Audit live requests, latency, success rates, and active security compliance policies.

04 / FinOps

Optimize spending and track token ROI

Analyze real-time token consumption and cost metrics detailed by connection.

Over 4,000 integrations ready for AI agents
Connect securely in under 30 seconds
Complete visibility into every agent action
Optimize spending and track token ROI

Explore our live AI Agents Analytics dashboard to see it all working

This dashboard is included when you connect NumVerify using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.

Why Vinkius

NumVerify and 4,000+ other AI tools. No hosting, no code, ready to use.

Professionals who connect NumVerify to LlamaIndex through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.

4,000+MCP Integrations
<40msResponse time
100%Fully managed
Raw MCP
Vinkius
Ready-to-use MCPsFind and configure each manually4,000+ MCPs ready to use
Connection SetupManual coding & server setup1-click instant connection
Server HostingYou host it yourself (needs 24/7 uptime)100% hosted & managed by Vinkius
Security & PrivacyStored in plaintext config filesBank-grade encrypted vault
Activity VisibilityBlind execution (no logs or tracking)Live dashboard with real-time logs
Cost ControlRunaway AI token spend riskAutomatic budget limits
Revoking AccessMust delete files or code to stop1-click disconnect button
The Vinkius Advantage

How Vinkius secures NumVerify for LlamaIndex

Every request between LlamaIndex and NumVerify is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.

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

Frequently asked questions

01

How do I find my NumVerify Access Key?

Log in to your NumVerify dashboard, and you will find your Access Key on the main page. Copy and paste it below.

02

Does it support international numbers?

Yes. NumVerify covers over 232 countries and provides detailed validation and metadata for global phone numbers.

03

Can the agent identify if a number is mobile or landline?

Yes. The get_phone_line_type tool retrieves the line type (e.g., 'mobile', 'landline') allowing you to audit the nature of your contact data.

04

How does LlamaIndex connect to MCP servers?

Use the MCP client adapter to create a connection. LlamaIndex discovers all tools and wraps them as query engine tools compatible with any LlamaIndex agent.

05

Can I combine MCP tools with vector stores?

Yes. LlamaIndex agents can query NumVerify tools and vector store indexes in the same turn, combining real-time and embedded data for grounded responses.

06

Does LlamaIndex support async MCP calls?

Yes. LlamaIndex's async agent framework supports concurrent MCP tool calls for high-throughput data processing pipelines.

07

BasicMCPClient not found

Install: pip install llama-index-tools-mcp

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