Glean Plugin for Codex
Installation
1
Get your Glean MCP server details
The plugin requires a Glean MCP connection. Open the Glean MCP configurator and copy your organization's full server URL — you'll use it in the last step.
Open MCP Configurator2
Add the Glean marketplace and install the plugin
Run these commands in your terminal to install the Glean enterprise-knowledge plugin.
Add the Glean marketplace
codex plugin marketplace add gleanwork/codex-plugins
Install the plugin
codex plugin add glean@glean-codex-plugins
3
Connect the Glean MCP server
Before starting Codex, connect the MCP server — substitute the full server URL you copied in step 1. Then start a new Codex task so the bundled skills and MCP tools are available.
Connect and sign in
codex mcp add glean --url <server-url> codex mcp login glean