Harmonic MCP Server for OpenAI Agents SDK 11 tools — connect in under 2 minutes
The OpenAI Agents SDK enables production-grade agent workflows in Python. Connect Harmonic through Vinkius and your agents gain typed, auto-discovered tools with built-in guardrails. no manual schema definitions required.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerStreamableHttp
async def main():
# Your Vinkius token. get it at cloud.vinkius.com
async with MCPServerStreamableHttp(
url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
) as mcp_server:
agent = Agent(
name="Harmonic Assistant",
instructions=(
"You help users interact with Harmonic. "
"You have access to 11 tools."
),
mcp_servers=[mcp_server],
)
result = await Runner.run(
agent, "List all available tools from Harmonic"
)
print(result.final_output)
asyncio.run(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.
The OpenAI Agents SDK auto-discovers all 11 tools from Harmonic through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries Harmonic, another analyzes results, and a third generates reports, all orchestrated through Vinkius.
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 OpenAI Agents SDK 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 OpenAI Agents SDK via MCP
Follow these steps to integrate the Harmonic MCP Server with OpenAI Agents SDK.
Install the SDK
Run pip install openai-agents in your Python environment
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token from cloud.vinkius.com
Run the script
Save the code above and run it: python agent.py
Explore tools
The agent will automatically discover 11 tools from Harmonic
Why Use OpenAI Agents SDK with the Harmonic MCP Server
OpenAI Agents SDK provides unique advantages when paired with Harmonic through the Model Context Protocol.
Native MCP integration via `MCPServerSse`, pass the URL and the SDK auto-discovers all tools with full type safety
Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure
Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate
First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output
Harmonic + OpenAI Agents SDK Use Cases
Practical scenarios where OpenAI Agents SDK combined with the Harmonic MCP Server delivers measurable value.
Automated workflows: build agents that query Harmonic, process the data, and trigger follow-up actions autonomously
Multi-agent orchestration: create specialist agents. one queries Harmonic, another analyzes results, a third generates reports
Data enrichment pipelines: stream data through Harmonic tools and transform it with OpenAI models in a single async loop
Customer support bots: agents query Harmonic to resolve tickets, look up records, and update statuses without human intervention
Harmonic MCP Tools for OpenAI Agents SDK (11)
These 11 tools become available when you connect Harmonic to OpenAI Agents SDK 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 OpenAI Agents SDK
Ready-to-use prompts you can give your OpenAI Agents SDK 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 OpenAI Agents SDK
Common issues when connecting Harmonic to OpenAI Agents SDK through the Vinkius, and how to resolve them.
MCPServerStreamableHttp not found
pip install --upgrade openai-agentsAgent not calling tools
Harmonic + OpenAI Agents SDK FAQ
Common questions about integrating Harmonic MCP Server with OpenAI Agents SDK.
How does the OpenAI Agents SDK connect to MCP?
MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.Can I use multiple MCP servers in one agent?
MCPServerSse instances to the agent constructor. The agent can use tools from all connected servers within a single run.Does the SDK support streaming responses?
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 OpenAI Agents SDK
Get your token, paste the configuration, and start using 11 tools in under 2 minutes. No API key management needed.