How to connect ChatGPT, Claude, Copilot and Grok to Crunchbase private company data
Add the Bigdata MCP server to ChatGPT, Claude, Microsoft Copilot, Grok or your own agent, then ask about private companies: what they do, how much they have raised, what they were last valued at and who backed each round.
See what your agent gets back
Example answer from an AI agent connected to Bigdata.com. Every claim cites its source.
List Databricks' funding rounds with dates, amounts, valuations and lead investors.
CrunchbasePaste this prompt into your agent with Bigdata.com connected to get a cited answer.
What's covered
Company overview
What a private company does, its headquarters, founding date, employee range, categories and operating status.
Funding totals and valuation
Total raised, number of rounds, the latest round and the last valuation.
Funding rounds
Each round's announcement and close dates, type and stage, amount raised, and pre- and post-money valuations.
Investors
The investors in each round, including those who led it.
Companies that have listed
A company that has gone public keeps its private funding history, including rounds raised after the IPO.
About Private company data
Connect it through the Bigdata MCP server and your agent can profile a startup, trace its funding history, see who led each round and compare it with its peers, with up to 20 years of history.
About Crunchbase
Crunchbase, founded in 2007 and based in San Francisco, tracks private companies worldwide: their funding rounds, investors and acquisitions.
Connect Private company data to your agent
Add the Bigdata MCP server
Add Bigdata.com as a connector in Claude, ChatGPT, Microsoft Copilot or your own agent.
https://mcp.bigdata.com/Ask with these tools
Your agent uses these MCP tools to search this source and cite what it finds.
bigdata_company_tearsheetCheck your access
Included with every planIncluded with every Bigdata.com plan. Connect through the Bigdata MCP server or API.
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Frequently asked questions
What is Crunchbase private company data on Bigdata.com?
Crunchbase's data on private companies (profiles, funding rounds, valuations and investors), available to AI agents as structured data through the Bigdata MCP server and API.
What does it cover?
Company overviews, funding totals and last valuations, and each funding round with its dates, type, amount, pre- and post-money valuations and investors.
How far back does it go?
Up to 20 years of history.
How do I connect ChatGPT, Claude, Copilot or Grok to Crunchbase private company data?
Add the Bigdata MCP server to ChatGPT, Claude, Microsoft Copilot or Cursor and sign in. For Grok, add it as a remote MCP tool in the xAI API, using a Bigdata API key. Then ask about private companies in plain language. Answers cite the Crunchbase data they use.
Is it included in my subscription?
Yes. It is part of the base package, included with every plan.
Does it cover companies that are now public?
Yes. A listed company keeps its private funding history, which can include rounds raised after the IPO. Its last private valuation is not a market capitalisation.
Start building with Bigdata.com
Connect through the Bigdata MCP server or API. Every answer cites its source.
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