Harmonic MCP Server for Mastra AI 11 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Harmonic 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: {
"harmonic": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Harmonic Agent",
instructions:
"You help users interact with Harmonic " +
"using 11 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Harmonic?"
);
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 Harmonic MCP Server
Connect your Harmonic.ai account to any AI agent and take full control of your startup discovery and investment research through natural conversation.
Mastra's agent abstraction provides a clean separation between LLM logic and Harmonic tool infrastructure. Connect 11 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
- Company Enrichment — Instantly retrieve firmographics, funding history, and social traction signals for any domain.
- Person Insights — Enrich professional profiles using LinkedIn URLs to get education and career history.
- Startup Discovery — Search through over 35 million companies using advanced filters like headcount growth and industry.
- Investor Research — Find investment firms and angels, and inspect their full portfolio history.
- Funding Monitoring — List and retrieve details for funding rounds, including amounts and lead investors.
- Enrichment Status — Track background data refresh requests to ensure you have the most up-to-date information.
The Harmonic MCP Server exposes 11 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 Harmonic to Mastra AI via MCP
Follow these steps to integrate the Harmonic 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 11 tools from Harmonic via MCP
Why Use Mastra AI with the Harmonic MCP Server
Mastra AI provides unique advantages when paired with Harmonic through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Harmonic 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 Harmonic 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
Harmonic + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Harmonic MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Harmonic, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Harmonic as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Harmonic on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Harmonic tools alongside other MCP servers
Harmonic MCP Tools for Mastra AI (11)
These 11 tools become available when you connect Harmonic to Mastra AI via MCP:
enrich_company
Enrich a company with firmographics, funding, and social signals
enrich_person
Enrich a person with professional history and social signals
get_api_profile
Get information about the current API user
get_company_stats
Get growth and headcount statistics for a company
get_enrichment_status
Check the status of a background enrichment request
get_investor_portfolio
Get the list of portfolio companies for an investor
list_company_news
List recent news and press releases for a company
list_funding_rounds
List funding rounds for a specific company
list_traction_signals
List social and web traction signals for a company
search_investors
Search for investment firms and angels
search_startups
Search for startups using filters like industry, location, and headcount
Example Prompts for Harmonic in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with Harmonic immediately.
"Enrich the domain 'openai.com' and show funding rounds."
"Search for startups in 'Artificial Intelligence' with 50-200 employees."
"Show me the portfolio companies for 'Sequoia Capital'."
Troubleshooting Harmonic MCP Server with Mastra AI
Common issues when connecting Harmonic to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpHarmonic + Mastra AI FAQ
Common questions about integrating Harmonic 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 Harmonic 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 Harmonic to Mastra AI
Get your token, paste the configuration, and start using 11 tools in under 2 minutes. No API key management needed.