Mattermark MCP. Analyze company data and track venture capital history.
Works with every AI agent you already use
…and any MCP-compatible client
Just plug in your AI agents and start using Vinkius.
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 agents 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.
Find startups by criteria (like sector or location) using the search_companies tool.
Get core details, employee counts, and recent news articles for a specific company via get_company_details, get_company_employees, and get_company_news.
Pull a full funding timeline using get_company_funding_rounds or get specifics on one round with get_funding_round_details.
List venture capital firms (list_investors) and inspect the portfolio details of specific investors using get_investor_details.
Identify companies similar to a target firm or sector by calling list_similar_companies.
Ask AI about this MCP
Supported MCP Clients
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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.
019d75d0get company details
Fetches the core metadata and general information for a single company ID.
019d75d0get company employees
Retrieves current employee data and personnel structure for a specific company.
019d75d0get company funding rounds
Gets the full funding history, showing all investment rounds completed by a company.
019d75d0get company news
Pulls recent news articles and updates related to a specific company ID.
019d75d0get funding round details
Retrieves precise details—like the amount and date—for one specific funding round.
019d75d0get investor details
Gets a profile summary and background information for an individual investor or fund.
019d75d0list investors
Provides a list of known venture capital firms and institutional investors.
019d75d0list similar companies
Searches the database to find companies that operate in a similar sector or market space.
019d75d0search companies
Performs targeted searches for companies based on criteria like industry, location, or founding date.
019d75d0search funding rounds
Searches the global database for funding rounds that match specific criteria (e.g., amount range, year).
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.
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- Works with Claude, ChatGPT, Cursor, and more
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What you can do with this MCP connector
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.
How Mattermark MCP Works
- 1 Subscribe to the Mattermark server and enter your personal API Key.
- 2 Your AI client (Claude, Cursor, etc.) sends a natural language query to the MCP endpoint.
- 3 The agent translates the intent into one or more specific tool calls (e.g.,
search_companiesthenget_company_details), gathers the data, and returns the final answer.
The bottom line is that you treat complex database lookups like simple chat prompts, letting your agent handle all the multi-step API calling for you.
Who Is Mattermark MCP For?
The financial analyst who spends afternoons clicking through multiple industry dashboards to build a competitive profile. It's for anyone whose job involves deep market research or due diligence, but who hates spending hours copy-pasting data from ten different sources.
Needs to quickly list and inspect the portfolios of multiple venture firms using list_investors before drafting an investment memo.
Must perform competitive analysis, finding similar companies (list_similar_companies) and comparing their funding history across different rounds.
Wants to track their own industry's health by checking sector trends or investigating specific competitor news using get_company_news.
What Changes When You Connect
- Build a complete corporate profile faster. Instead of checking five different tabs, your agent can call
get_company_details,get_company_employees, andget_company_newsin one sequence to give you a full picture. - Understand the money trail immediately. You don't have to piece together funding data; use
get_company_funding_roundsto map every raise, then callget_funding_round_detailsfor specific metrics like valuation and lead investor. - Keep track of rivals without manual searches. If you need to benchmark a client, run
list_similar_companiesto instantly find related market players and see their general activity viasearch_companies. - Map the money sources. Need to know who funded Company X? Run
list_investorsfirst to get a list of firms, then useget_investor_detailson those names to understand their typical investment profile. - Streamline due diligence. Instead of sifting through PDFs and press releases, you can query the system directly: 'What are the recent news items for this company?' using
get_company_news.
Real-World Use Cases
Conducting Due Diligence on a Target Company
You're vetting a potential acquisition. First, use search_companies to confirm the entity exists. Next, call get_company_details for basic metadata. Then, chain calls: run get_company_funding_rounds and follow up with get_company_employees to see if growth matches the capital raised. This gives you a full operational picture in minutes.
Mapping an Investor's Focus
You want to know what VC firm 'Acme Capital' invests in. Start by calling list_investors and locating them. Then, use get_investor_details on their ID. Finally, run a search using search_companies filtered by the sectors Acme typically funds to build your market map.
Analyzing Market Gaps
Your client wants to enter a new niche. Run list_similar_companies based on their current industry. This shows immediate competition. Then, use search_funding_rounds to see which specific investment amounts or stages are most common in that adjacent market.
Tracking Employee Growth After a Round
A company just announced a Series B round. You need confirmation of hiring momentum. Use get_company_funding_rounds to confirm the date, then immediately call get_company_employees to see if headcount data aligns with the new capital infusion.
The Tradeoffs
Asking for 'all' company info.
Prompting: 'Give me everything about Company X. I need their employees, news, and funding.' This forces the agent to guess which tools are needed or ignore key data points.
→
Break it down into steps. First, run get_company_details. Then, in a follow-up prompt, explicitly call for employee data using get_company_employees or news via get_company_news. Specificity is everything.
Assuming current market coverage.
Thinking that just searching by company name is enough. This misses the broader context of competitors and related funding rounds.
→
Always complement a primary search (search_companies) with list_similar_companies. This gives you immediate competitive context without knowing their names beforehand.
Ignoring the scope of searches.
Searching for 'Fintech' companies, but missing firms that were acquired or only listed in a funding round. General search tools are too broad.
→
Use search_companies for general criteria, but always follow up with search_funding_rounds to catch activity where the company might not be highly visible yet.
When It Fits, When It Doesn't
You need this Mattermark server if your core job involves structured market intelligence: tracking capital flow, profiling organizations, or benchmarking competitors. You must use it when you need data that requires multiple database lookups—like correlating employee count with funding rounds.
Don't use it if all you need is general sentiment analysis from a single news article (use a general text summarization tool instead). Also, don't rely on it for real-time stock ticker updates; this is historical and structured data. Use get_company_details when you know the company name, but use search_companies if you only know the sector or location.
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 server provides 10 capabilities that interface natively with Claude, ChatGPT, Cursor, and any MCP client. No middleware. No custom integration required.
Available Capabilities
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.
Common Questions About Mattermark MCP
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.
Use it with your favorite AI tools
Connect this server to Cursor, Claude, VS Code, and more.
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