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Plugin listed to the whole workspace bundles an MCP server

AI summary

Rencore flags when a ChatGPT plugin is listed to your entire workspace and bundles an MCP server. This is a security risk because any member can install it and open a connection to external endpoints your workspace does not control.

Severity: High External Access Recommended Preview

What it detects

Detects discoverable plugins that install an MCP server any member can reach.

Why it matters

A listed plugin is installable by any member without being told about it. When it also bundles an MCP server, every installation opens a channel to an external endpoint the workspace does not control. Plugins are read-only through the API, so remediation means changing the discoverability or installation policy in the OpenAI console.

The rule

Every ChatGPT Plugin where Discoverability equals 'LISTED' and MCP Server Count is greater than 0

In Rencore Governance

The Plugin listed to the whole workspace bundles an MCP server policy in Rencore Governance: the rule, its trend and the objects that match it
The policy page in a Rencore demo Environment, captured October 2026.

Details

Applies to ChatGPT plugin
Connector ChatGPT Enterprise
Severity High
Category External Access
Recommended Yes
Recommended automation None
License type Standard

Frequently asked questions

What does the plugin listed to the whole workspace bundles an MCP server policy detect?

The Plugin listed to the whole workspace bundles an MCP server policy detects discoverable plugins that install an MCP server any member can reach.

Which objects does the plugin listed to the whole workspace bundles an MCP server policy check?

The Plugin listed to the whole workspace bundles an MCP server policy checks ChatGPT plugin objects from the ChatGPT Enterprise inventory and reports each one that matches its rule as a violation.

How severe is a violation of the plugin listed to the whole workspace bundles an MCP server policy?

Violations of the Plugin listed to the whole workspace bundles an MCP server policy have High severity. The policy is in the External Access category.

Which module includes the plugin listed to the whole workspace bundles an MCP server policy?

The Plugin listed to the whole workspace bundles an MCP server policy comes with the ChatGPT Enterprise connector (in preview) in the AI & Agents module of Rencore Governance, an add-on module on the Premium and Enterprise Plans.