Vinkius
Mattermark

Analyze company data and track venture capital history.
Claude Claude
ChatGPT ChatGPT
Cursor Cursor
Gemini Gemini
Windsurf Windsurf
VS Code VS Code
JetBrains JetBrains
Vercel Vercel
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Works with every AI agent you already use

…and any MCP-compatible client

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Connect to your AI in seconds.

Mattermark connects your AI agent to deep venture capital and startup data. You can search for companies by sector, pull detailed employee lists, map funding histories across multiple rounds, and track investor portfolios—all through natural conversation.

What your AI can do

Get company details

Fetches the core metadata and general information for a single company ID.

Get company employees

Retrieves current employee data and personnel structure for a specific company.

Get company funding rounds

Gets the full funding history, showing all investment rounds completed by a company.

+ 7 more capabilities included
Search for Companies

Find startups by criteria (like sector or location) using the search_companies tool.

Analyze Company Profile

Get core details, employee counts, and recent news articles for a specific company via get_company_details, get_company_employees, and get_company_news.

Track Funding History

Pull a full funding timeline using get_company_funding_rounds or get specifics on one round with get_funding_round_details.

Map Investor Networks

List venture capital firms (list_investors) and inspect the portfolio details of specific investors using get_investor_details.

Benchmark Competitors

Identify companies similar to a target firm or sector by calling list_similar_companies.

Compatible AI Apps

OAuth 2.0 Compatible
Vinkius runs on Claude Claude
Vinkius runs on ChatGPT ChatGPT
Vinkius runs on Cursor Cursor
Vinkius runs on Gemini Gemini
Vinkius runs on VS Code VS Code
Vinkius runs on JetBrains JetBrains
Vinkius runs on Vercel Vercel
Vinkius runs on Zendesk Zendesk
+ any other MCP app
Included with Plan

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AI Agent

Mattermark MCP Server: 10 Tools for Startup Intelligence

Use these tools to perform multi-step research on companies, investors, and funding rounds by calling specific API functions directly from your AI client.

Make your AI actually useful.

Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.

Start using Mattermark on Vinkius

Get Company Details

Fetches the core metadata and general information for a single company ID.

Get Company Employees

Retrieves current employee data and personnel structure for a specific company.

Get Company Funding Rounds

Gets the full funding history, showing all investment rounds completed by a company.

Get Company News

Pulls recent news articles and updates related to a specific company ID.

Get Funding Round Details

Retrieves precise details—like the amount and date—for one specific funding round.

Get Investor Details

Gets a profile summary and background information for an individual investor or fund.

List Investors

Provides a list of known venture capital firms and institutional investors.

List Similar Companies

Searches the database to find companies that operate in a similar sector or market...

Search Companies

Performs targeted searches for companies based on criteria like industry, location...

Search Funding Rounds

Searches the global database for funding rounds that match specific criteria (e.g....

Connect to your AI in seconds. Security and governance baked right in.

Pick your AI client below to get set up. Just create a Vinkius account, subscribe, and you're instantly up and running. We handle the entire backend infrastructure, delivering out-of-the-box support for HTTPS Streamable, SSE, and OAuth2—zero messy routing required.

Claude AI

Claude AI

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.

2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL:

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.

3

Start a conversation

Open a new chat. The Mattermark integration is available immediately — no restart needed.

Choose How to Get Started

Build a custom MCP for your own tools, or connect a ready-made integration from our catalog.

Build Your Own

Turn any API into an MCP. 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 every call
  • Real time usage dashboard and cost metering
  • Publish to catalog or keep private
Start building

Make Your AI Do More

Start with Mattermark, then connect any of our 5,000+ other servers whenever your AI needs more. One click, no limits.

  • Use this MCP plus 5,000+ others, all in one place
  • Add new capabilities to your AI anytime you want
  • Every connection is secured and compliant automatically
  • Track usage and costs across all your servers
  • Works with Claude, ChatGPT, Cursor, and more
  • New servers added to the catalog every week
Mattermark MCP server cover

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Mattermark. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Works with Claude, ChatGPT, Cursor, and more

The Model Context Protocol standardizes how applications expose capabilities to LLMs. Instead of operating in isolation, your AI gains direct access to external platforms, live data, and real-world actions through secure, standardized connections.

This connection provides 10 powerful capabilities that interface natively with Claude, ChatGPT, Cursor, and other compatible AI platforms. No middleware. No custom integration required.

Sifting through market intelligence used to take days of clicking.

Right now, building a profile for one startup means opening five different tabs: one for their financials, one for news coverage, one for employees, and another for investor relations. You're copying names, pasting IDs, and manually cross-referencing funding rounds against employee growth charts.

With Mattermark MCP Server, your agent handles the orchestration. Instead of 10 manual clicks across 5 tabs, you ask a single question: 'Give me Company X’s full profile.' The system runs `get_company_details`, then calls `get_company_employees` and `get_company_news`—and presents it all back to you.

Mattermark MCP Server: Get the complete company picture in seconds.

You no longer have to manually track down which investors funded a round or how many employees were hired after Series A. You simply prompt for 'Show me Acme's funding history and their lead VCs.' The agent chains `get_company_funding_rounds`, links it to the specific details via `get_funding_round_details`, and identifies the key players using `list_investors`.

The biggest difference is that you stop doing data assembly. You start asking strategic questions, and the system builds the answer by calling the right tools automatically.

What your AI can actually do with this

Mattermark hooks your AI agent up directly to deep venture capital data and startup records. You don't just read a website; you run specialized queries against verified company history.

When you need to find startups, you can use search_companies to target companies based on criteria like their industry, where they're located, or when they were founded. For funding, you can search the global database of rounds using search_funding_rounds, specifying things like an amount range or a year.

Once you’ve got a company ID, you get a whole profile. get_company_details pulls the core metadata and general background info for that single company. You can map out its entire financial journey using get_company_funding_rounds, which gives you every investment round it's completed. If you need specifics on just one of those rounds, use get_funding_round_details to grab the exact date and dollar amount.

To see who works there right now, call get_company_employees. This tool retrieves current employee data and outlines the company's personnel structure. You can keep up with what’s happening in the news by running get_company_news, which pulls recent articles related to that specific ID.

Mapping out who the players are is just as important. To get a list of major venture capital firms and institutional money, you use list_investors. You can then drill down into any of those groups by using get_investor_details; this gives you their profile summary and background data.

If you wanna know who's playing in the same sandbox, run list_similar_companies to find competitors or peers operating in a similar sector or market space. You can also verify that information by running get_company_details on any company ID you come across.

Your agent handles these complex lookups naturally. For example, if you ask it to track the funding history of Company X and then ask what kind of investors were involved in their Series B round, your AI client stitches together calls using get_company_funding_rounds for the full timeline, followed by a call to get_investor_details linked to that specific round's data.

It’s all about running structured data requests through plain language conversation.

This server lets your agent build comprehensive profiles: finding startups via search_companies, pulling deep operational details using get_company_employees, tracking the money flow with get_funding_round_details, and understanding the network by listing investors with list_investors. You get verified data points, not vague summaries. It’s built for people who need precise answers about where the money is going.

Built · Hosted · Managed by Vinkius Mattermark MCP Server – VC Data & Company Research
Server ID 019d75d0-4bc3-702d-8f1c-76f5d4d9cf12
Vinkius Inspector
Compliance Grade A+
Score 100/100
Vinkius Inspector Badge — Score 100/100

Questions you might have

Can Mattermark MCP Server find employees not listed in get_company_employees? +

No, it can only retrieve data that exists within the platform's database. If employee records aren't available, calling get_company_employees won't return them.

How do I find a competitor using list_similar_companies? +

Just provide the name of a company or sector you want to benchmark against. The tool will return related entities, which you can then investigate further with get_company_details.

What data does get_funding_round_details give me? +

It provides granular details about one specific round—things like the exact amount raised, the date of the investment, and sometimes the lead investor. You need a funding ID to use this tool.

Is Mattermark MCP Server only for US companies? +

The database supports searching globally, but specific data coverage depends on what Mattermark has indexed. Use search_companies with location filters to narrow your focus.

How do I authenticate my API key when running a tool like `get_company_details`? +

The server handles your credentials securely through the MCP connection. You pass your Mattermark API Key during setup, and your AI agent uses it to authorize all subsequent tool calls automatically.

What are the rate limits if I run many searches using `search_companies`? +

The service adheres to standard API rate limiting practices. If you exceed the limit, the tool will return an HTTP 429 error code. Your agent should be configured to catch this and implement a backoff/retry sequence.

Can I filter employee data from `get_company_employees` by specific parameters? +

Yes, you can refine the list of employees using filters. When calling the tool, include optional parameters like job_title, department, or a date range to narrow down results.

What happens if I provide an invalid ID when running `get_company_news`? +

If you use an incorrect company identifier, the tool returns a specific 'Resource Not Found' message. Your agent can then prompt you to validate the input or try searching for the company name instead.

How do I find my Mattermark API Key? +

Log in to Mattermark and go to your Account Settings to find and copy your API Key.

What kind of company data can I access? +

You can access company metadata, funding rounds, news, employee counts, and location info.

Is my API Key secure? +

Yes. Your token is encrypted at rest and injected securely at runtime.

Built & Managed by Vinkius 30s setup 10 tools

We've already built the connector for Mattermark. Just plug in your AI agents and start using Vinkius.

No hosting. No infrastructure. No complex setup.
All 10 tools are live and waiting. You're up and running in seconds.

Vinkius runs on Claude Claude
Vinkius runs on ChatGPT ChatGPT
Vinkius runs on Cursor Cursor
Vinkius runs on Gemini Gemini
Vinkius runs on Windsurf Windsurf
Vinkius runs on VS Code VS Code
Vinkius runs on JetBrains JetBrains
Vinkius runs on Vercel Vercel
+ other MCP clients

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