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Glean Plugin for Codex

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 Configurator
2
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