Security and governance
Read-Only MCP Is Not Zero Risk: A Business Data Review Checklist
By SourceX Editorial · Updated
Short answer
Explaining that reading can still disclose sensitive records; keep separating from read-write choice article. Connecting a tool is about live access for your own team; letting an AI company use your records is a separate, company-approved decision.
What this means for your business#
This guide is written for CEO or founder, COO or CFO or CTO for technical scope. It covers explaining that reading can still disclose sensitive records; keep separating from read-write choice article — and what that means for a business deciding what its AI tools may reach.
Worth checking before you connect#
- Approve every connection through one named owner
- Prefer read-only servers, and document any exception
- Review OAuth scopes shown at approval time, not just the app name
- Log connections and re-review them quarterly
- Train the team that prompt text from records is untrusted input
Access is not licensing#
SourceX's own MCP server is read-only, approved by the account owner and limited to what that account can already see. Governance reviews for licensing assessments are separate again: nothing leaves a company through a connection, only through an approved, prepared export.
Check your fit
Q1 / 05 · COMPANY SIZE
How many full-time employees at your peak?
Frequently asked questions
Does connecting an MCP server let an AI company train on our records?
No. MCP gives the assistant you connected a way to read what its user can already read, during your own sessions. Use of your records by an outside AI company is a separate decision that happens through a signed agreement — never through a connection.
What should we do first if we are considering read only MCP security?
Write down which systems hold the records you care about, who owns the approval, and what is read-only today. That short inventory answers most of the questions that come up later.
Can SourceX help us assess our records for AI companies?
Yes. SourceX reviews your rights, prepares a clean historical copy and shows you exactly what would leave your company for approval before anything is shared. SourceX works with U.S., Canadian and EU companies that had 50 or more full-time employees at their peak (contractors excluded).
Sources
Vendor and ecosystem pages used while writing this guide. For exactly what any vendor's MCP server exposes, their own documentation is the source of truth.
Related
General information, not legal advice. Editorial policy.
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