Reply.io MCP Server for Mastra AI 8 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Reply.io 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: {
"replyio": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Reply.io Agent",
instructions:
"You help users interact with Reply.io " +
"using 8 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Reply.io?"
);
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 Reply.io MCP Server
Connect Reply.io to your AI agent and manage your multi-channel sales engagement platform conversationally.
Mastra's agent abstraction provides a clean separation between LLM logic and Reply.io tool infrastructure. Connect 8 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
- Campaign Management — List, create, and pause outreach campaigns across email, LinkedIn, calls, and SMS channels.
- Prospect Tracking — Add prospects, check engagement statuses (opened, replied, bounced), and manage contact lists.
- Sequence Analytics — Pull performance metrics per campaign and per step — open rates, reply rates, and conversion data.
- People Search — Use Reply.io's contact database to find prospect emails and enrich your outreach lists.
The Reply.io MCP Server exposes 8 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 Reply.io to Mastra AI via MCP
Follow these steps to integrate the Reply.io 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 8 tools from Reply.io via MCP
Why Use Mastra AI with the Reply.io MCP Server
Mastra AI provides unique advantages when paired with Reply.io through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Reply.io 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 Reply.io 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
Reply.io + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Reply.io MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Reply.io, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Reply.io as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Reply.io on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Reply.io tools alongside other MCP servers
Reply.io MCP Tools for Mastra AI (8)
These 8 tools become available when you connect Reply.io to Mastra AI via MCP:
add_person
io. Add a person
get_campaign
Get campaign
get_campaign_stats
Get campaign stats
list_campaigns
io outreach campaigns. List campaigns
list_email_accounts
List email accounts
list_people
io. List people
pause_person
Pause a person
resume_person
Resume a person
Example Prompts for Reply.io in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with Reply.io immediately.
"Show me the performance of my 'CTO Outreach' campaign."
"Add prospect alex@techstart.com to the 'Series B Founders' sequence."
"Which prospects replied positively this week?"
Troubleshooting Reply.io MCP Server with Mastra AI
Common issues when connecting Reply.io to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpReply.io + Mastra AI FAQ
Common questions about integrating Reply.io 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 Reply.io 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 Reply.io to Mastra AI
Get your token, paste the configuration, and start using 8 tools in under 2 minutes. No API key management needed.