Hunter MCP Server for Mastra AI 10 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Hunter 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: {
"hunter": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Hunter Agent",
instructions:
"You help users interact with Hunter " +
"using 10 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Hunter?"
);
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 Hunter MCP Server
Connect Hunter.io to your AI agent and power your lead generation with verified email discovery and enrichment.
Mastra's agent abstraction provides a clean separation between LLM logic and Hunter tool infrastructure. Connect 10 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
- Domain Search — Find all professional email addresses associated with any company domain.
- Email Finder — Locate a specific person's email using their name and company domain.
- Email Verification — Verify if an email address is valid, deliverable, and safe to send to.
- Lead Lists — Create and manage lead lists with verified contacts for outreach campaigns.
The Hunter MCP Server exposes 10 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 Hunter to Mastra AI via MCP
Follow these steps to integrate the Hunter 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 10 tools from Hunter via MCP
Why Use Mastra AI with the Hunter MCP Server
Mastra AI provides unique advantages when paired with Hunter through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Hunter 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 Hunter 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
Hunter + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Hunter MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Hunter, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Hunter as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Hunter on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Hunter tools alongside other MCP servers
Hunter MCP Tools for Mastra AI (10)
These 10 tools become available when you connect Hunter to Mastra AI via MCP:
domain_search
Search emails by domain
email_count
Count emails for domain
email_finder
Find specific email
email_verifier
Verify email address
get_account
Get account info
get_campaign
Get campaign details
list_campaigns
List campaigns
list_lead_lists
List lead lists
list_leads
List saved leads
list_recipients
List campaign recipients
Example Prompts for Hunter in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with Hunter immediately.
"Find all email addresses at stripe.com."
"Find the email for Sarah Johnson at Acme Corp."
"Verify if contact@oldstartup.io is still valid."
Troubleshooting Hunter MCP Server with Mastra AI
Common issues when connecting Hunter to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpHunter + Mastra AI FAQ
Common questions about integrating Hunter 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 Hunter 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 Hunter to Mastra AI
Get your token, paste the configuration, and start using 10 tools in under 2 minutes. No API key management needed.