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Harmonic

Harmonic MCP Server

Built by Vinkius GDPR ToolsFree for Subscribers

Automate company and startup intelligence via Harmonic — enrich domains, track funding, and discover investors directly from any AI agent.

Vinkius supports streamable HTTP and SSE.

AI AgentVinkius
High Security·Kill Switch·Plug and Play
Harmonic
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
EU AI ActCompliant
DLPData protection
V8 IsolateSandboxed
Ed25519Audit chain
<40msKill switch
Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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

What is the Harmonic MCP Server?

The Harmonic MCP Server gives AI agents like Claude, ChatGPT, and Cursor direct access to Harmonic via 11 tools. Automate company and startup intelligence via Harmonic — enrich domains, track funding, and discover investors directly from any AI agent. Powered by the Vinkius - no API keys, no infrastructure, connect in under 2 minutes.

Built-in capabilities (11)

enrich_companyenrich_personget_api_profileget_company_statsget_enrichment_statusget_investor_portfoliolist_company_newslist_funding_roundslist_traction_signalssearch_investorssearch_startups

Tools for your AI Agents to operate Harmonic

Ask your AI agent "Enrich the domain 'openai.com' and show funding rounds." and get the answer without opening a single dashboard. With 11 tools connected to real Harmonic data, your agents reason over live information, cross-reference it with other MCP servers, and deliver insights you would spend hours assembling manually.

Works with Claude, ChatGPT, Cursor, and any MCP-compatible client. Powered by the Vinkius - your credentials never touch the AI model, every request is auditable. Connect in under two minutes.

Why teams choose Vinkius

One subscription gives you access to thousands of MCP servers - and you can deploy your own to the Vinkius Edge. Your AI agents only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure and security, zero maintenance.

Build your own MCP Server with our secure development framework →

Vinkius works with every AI agent you already use

…and any MCP-compatible client

CursorClaudeOpenAIVS CodeCopilotGoogleLovableMistralAWSCursorClaudeOpenAIVS CodeCopilotGoogleLovableMistralAWS

Harmonic MCP Server capabilities

11 tools
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

What the Harmonic MCP Server unlocks

Connect your Harmonic.ai account to any AI agent and take full control of your startup discovery and investment research through natural conversation.

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.

How it works

1. Subscribe to this server
2. Enter your Harmonic API Key (found in the Console)
3. Start discovering startups from Claude, Cursor, or any MCP-compatible client

No more manual exporting of company lists. Your AI assistant acts as a dedicated Venture Analyst or Market Research Associate.

Who is this for?

  • Venture Capitalists — instantly retrieve a startup's funding history and team signals during deal sourcing.
  • Sales Teams — automate the enrichment of target accounts and identify high-growth companies.
  • Corporate Devs — maintain a real-time overview of competitor funding and acquisition targets.

Frequently asked questions about the Harmonic MCP Server

01

How do I find my Harmonic API Key?

Log in to your Harmonic account, go to the Console, and navigate to the API section. You will be able to generate and copy your unique apikey from there.

02

What happens if a company is not found in the database?

If a company is not found, Harmonic will return a 201 Enrichment Triggered status. This means a background update has been queued. You can check the status later using the get_enrichment_status tool.

03

Can I search for companies based on specific criteria?

Yes! Use the search_startups tool. You can provide a JSON string with filters like headcount, location, or industry to find companies that match your investment or sales criteria.

04

Is the integration secure?

Absolutely. The integration only accesses your data through your unique API key. Your credentials are encrypted and stored securely within the Vinkius Cloud infrastructure.

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