Source Startups and Reach Founders via MCP.
Startups discovered by traction signals, founder emails found, warm outreach sent , source deals before they hit the fundraising circuit
Works with every AI agent you already use
…and any MCP-compatible client








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How It Works
Here is the signal: Harmonic tracks startup traction , not just funding announcements, but the leading indicators. A company's engineering team doubled in 3 months.
They launched on Product Hunt and hit #1. Their LinkedIn mentions spiked 400%. They posted 5 open roles in the last 2 weeks.
These signals precede the fundraise announcement by 4-8 weeks. Your AI agent queries Harmonic for startups showing these signals in your target sector and geography.
For each match, it enriches the company profile: founding date, team size, last known round, estimated ARR range. Then the agent uses Hunter to find the founder's email , verified, deliverable, not a generic info@ address.
It sends a Brevo email: personalized with the company name, a specific reference to the traction signal ('Saw your engineering team grew from 8 to 18 in Q1 , that kind of hiring velocity means you are likely thinking about your next round'), and a direct ask for a 20-minute conversation.
The founder receives outreach that references something specific about their company , not a template blast. That is the difference between a reply and a delete.
Connector Orchestration: 3 Connectors, one intelligent agent
Connect Harmonic, Hunter and Brevo Connectors so your AI agent discovers high-traction startups through Harmonic's intelligence engine, finds verified founder email addresses via Hunter, and sends personalized outreach emails through Brevo. Investors who see deal flow only after startups announce their raise on Twitter miss the early window. This workflow finds companies showing traction signals , hiring spikes, product launches, press mentions , before the round is announced. The deal is in your inbox while other funds are reading the TechCrunch headline.
Harmonic
triggerDiscovers startups by traction signals, funding rounds and company enrichment
search_startups list_traction_signals enrich_company list_funding_rounds Hunter
actionFinds and verifies founder email addresses by domain
domain_search email_finder email_verifier email_count Brevo
actionSends personalized outreach emails to founders
send_transactional_email create_crm_contact list_crm_contacts Run This Automation Today
Connect Claude, ChatGPT, Cursor, or any AI agent to the Vinkius catalog and run this automation in minutes.
Build Your Own Connector
Convert any internal API into a Connector. Import a spec, define Agent Skills, or deploy with MCPFusion.
- Import from OpenAPI, Swagger, or YAML specs
- Create Agent Skills with progressive disclosure
- Deploy to edge with MCPFusion framework
- Built in DLP, auth, and compliance on each call
- Real time usage dashboard and cost metering
- Publish to catalog or keep private
Connect & Automate
The 3 servers this recipe uses are ready in the catalog. Connect them once, paste a prompt, and your AI runs the full workflow.
- Harmonic, Hunter & Brevo ready in the catalog right now
- Add more from 5,800+ servers whenever you need
- Connections are secured and compliant by default
- Track usage and costs across all your servers
- Works with Claude, ChatGPT, Cursor, and more
- New servers and recipes added weekly
Superpowers you didn't know your AI had
The Vinkius catalog gives your agent access to 5,800+ Connectors and the intelligence to combine them. Imagine never logging into another dashboard. Your AI handles the work across all tools, in one conversation. That's what this connectivity layer was built for.
Cross-Platform Intelligence
Your agent doesn't just connect to tools. It understands the relationships between them. Data flows where it needs to go, automatically, with full context preserved across all platforms.
Contextual Reasoning
Each decision your agent makes considers the full picture. It reads CRM data, checks calendars, reviews conversation history, and acts on everything at once. Not step by step. All at once.
Productivity at Scale
What used to take 45 minutes across five different dashboards now takes one sentence. Your agent runs the entire workflow end to end while you focus on decisions that actually matter.
Zero-Config Reliability
No API keys to paste. No webhooks to configure. No YAML to debug. Connect your Connectors once, and your agent handles the rest. Each time, without intervention.
Made for
exactly this
Your AI agent taps into the entire Vinkius AI Connectors to handle these for you. You describe what you need. It does the rest.
VC associates responsible for top-of-funnel sourcing who need to identify high-traction startups before they announce fundraising rounds
Solo GPs without a dedicated sourcing team who want automated deal discovery based on traction signals, not just public announcements
Angel investors targeting specific sectors who want weekly startup discovery emails with verified founder contacts
Accelerator program managers sourcing applicants by identifying companies showing early product-market fit signals
Frequently Asked Questions About This Connector Orchestration
Which Connectors do I need for this workflow?
Three: Harmonic, Hunter and Brevo. Connect all three to your AI client before running any prompt from this page.
Does this work with Claude Desktop, Cursor or Windsurf?
Yes. Any AI client that supports the Model Context Protocol works , Claude Desktop, Cursor, Windsurf, Cline and others. Connect the Connectors and paste a prompt.
What makes Harmonic different from Crunchbase?
Crunchbase tracks announced funding rounds. Harmonic tracks traction signals , hiring spikes, product launches, traffic growth , that precede fundraising. You see the company before the round is public.
Is cold email outreach to founders appropriate?
Founders expect investor outreach. The difference between welcome and unwelcome is relevance. An email referencing a specific company milestone gets a response. A template blast gets deleted. This workflow builds the specificity that makes outreach welcome.
Is founder contact data secure?
Hunter finds publicly available professional email addresses. Brevo sends emails through your authenticated account. Vinkius does not store any contact data. All communications are between you and the founder.
Can I customize outreach by fund thesis?
Your prompt controls the thesis. Ask for 'climate tech startups in Europe with hiring signals' or 'AI infrastructure companies in the US with product launches.' The agent tailors the outreach to match your investment focus.
MCP Recipe for Investor Network Mapping
Investor portfolios mapped, your network connections surfaced, warm intro request sent , get into deals through your existing relationships
Connectors for Accelerator Alumni Tracking
Alumni funding rounds tracked, traction signals monitored, portfolio performance measured , prove your accelerator's value with real numbers
Connectors for Data-Driven LP Updates
Traction signals read, cap tables checked, LP update emails sent , your quarterly letter writes itself from real data
Connectors to Build Investor Pipeline Fast
Active investors identified, sector matches mapped, RSVP pipeline built , fill Demo Day with investors who actually write checks, not tourists
MCP Workflow for Building Co-Investor Syndicates
Co-investors identified by portfolio overlap, contacts found, relationships tracked , fill your Seed round with the right partners in days, not months
Scout Top Startups Before Demo Day via MCP
Every YC batch company scanned, traction signals ranked, top picks added to your pipeline , scout Demo Day before the crowd arrives
Connectors used in this workflow
Harmonic
Harmonic MCP lets you pull startup intelligence directly into your AI agent. Use it to enrich company data, find new investment targets, and pull investor portfolios without leaving your chat window. It turns your agent into a research analyst that knows the startup landscape.
Hunter
Hunter lets your AI agent find professional email addresses, verify if they're actually deliverable, and manage lead lists directly within your workflow. It cuts out the guesswork of finding the right people to contact by pulling verified data from Hunter.io.
Brevo
Brevo MCP lets you run your marketing and communication workflows directly from your AI client. Send transactional emails, fire off SMS alerts, and manage your CRM contacts without leaving your chat window. It handles the backend stuff like syncing data and dispatching messages so you can focus on closing deals or solving tickets.