Hunter MCP Server for Mastra AIGive Mastra AI instant access to 12 tools to Create New Lead, Enrich Email Data, Find Person Email, and more
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 App Connector for Mastra AI
The Hunter app connector for Mastra AI is a standout in the Sales Automation category — giving your AI agent 12 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
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-alternative": {
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 12 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 your Hunter account to any AI agent and power your email prospecting through natural conversation.
Mastra's agent abstraction provides a clean separation between LLM logic and Hunter tool infrastructure. Connect 12 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 a domain or company name
- Email Finder — Discover the most likely email address for a specific person by name and company
- Email Verification — Check the validity and deliverability of any email address with confidence scores
- Email Count — Check how many email addresses are available for a domain before searching
- Contact Enrichment — Retrieve all available professional data (title, company, social profiles) for an email address
- Lead Management — Create, list, update, and delete leads in your Hunter CRM with lead list organization
- Account Monitoring — Track remaining API credits and account usage
The Hunter MCP Server exposes 12 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.
All 12 Hunter tools available for Mastra AI
When Mastra AI connects to Hunter through Vinkius, your AI agent gets direct access to every tool listed below — spanning email-finder, domain-search, email-verification, and more. Every call is secured with network, filesystem, subprocess, and code evaluation entitlements inside a sandboxed runtime. Beyond a simple connection, you get a full AI Gateway with real-time visibility into agent activity, enterprise governance, and optimized token usage.
Save lead to CRM
Get contact intel
Find personal email
Check credits
Check email availability
Get lead info
List lead lists
List lead profiles
Delete lead record
Find emails for domain
Modify lead data
Check deliverability
Connect Hunter to Mastra AI via MCP
Follow these steps to wire Hunter into Mastra AI. The entire setup takes under two minutes — your credentials stay safe behind the Vinkius.
Install dependencies
npm install @mastra/core @mastra/mcp @ai-sdk/openaiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the agent
agent.ts and run with npx tsx agent.tsExplore tools
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
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 emails at stripe.com and verify the CTO's email address."
"Find the email for Sarah Chen at Acme Corp and enrich her contact data."
"Check my Hunter account credits and list all saved leads."
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.