NumVerify MCP Server for Mastra AI 4 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect NumVerify through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token. get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"numverify": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "NumVerify Agent",
instructions:
"You help users interact with NumVerify " +
"using 4 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with NumVerify?"
);
console.log(result.text);
}
main();
* 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
About 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.
Mastra's agent abstraction provides a clean separation between LLM logic and NumVerify tool infrastructure. Connect 4 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
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.
The NumVerify MCP Server exposes 4 tools through the Vinkius. Connect it to Mastra AI in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect NumVerify to Mastra AI via MCP
Follow these steps to integrate the NumVerify MCP Server with Mastra AI.
Install dependencies
Run npm install @mastra/core @mastra/mcp @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.ts and run with npx tsx agent.ts
Explore tools
Mastra discovers 4 tools from NumVerify via MCP
Why Use Mastra AI with the NumVerify MCP Server
Mastra AI provides unique advantages when paired with NumVerify through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add NumVerify without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every NumVerify tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
NumVerify + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the NumVerify MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query NumVerify, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed NumVerify as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query NumVerify on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using NumVerify tools alongside other MCP servers
NumVerify MCP Tools for Mastra AI (4)
These 4 tools become available when you connect NumVerify to Mastra AI via MCP:
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
Example Prompts for NumVerify in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with NumVerify immediately.
"Validate the phone number +14158586273 using NumVerify."
"Identify the carrier for +442071838750."
"Check if +5511999999999 is a mobile line."
Troubleshooting NumVerify MCP Server with Mastra AI
Common issues when connecting NumVerify to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpNumVerify + Mastra AI FAQ
Common questions about integrating NumVerify MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
Connect NumVerify with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect NumVerify to Mastra AI
Get your token, paste the configuration, and start using 4 tools in under 2 minutes. No API key management needed.
