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Glean Plugins for Codex

1
Get your Glean MCP server details

The glean plugin requires a Glean MCP connection. Open the Glean MCP configurator to find your organization's server URL and server name — you'll use both in the last step.

Open MCP Configurator
2
Add the Glean marketplace and install plugins

Run these commands in your terminal. glean is the enterprise-knowledge plugin; glean-dev-docs adds search over Glean's developer documentation.

Add the Glean marketplace
codex plugin marketplace add gleanwork/codex-plugins
Install the plugins
codex plugin add glean@glean-codex-plugins
codex plugin add glean-dev-docs@glean-codex-plugins
3
Connect the MCP servers

Before starting Codex, connect the MCP server each plugin uses — substitute the server URL and name from step 1. Then start a new Codex task so the bundled skills and MCP tools are available.

Glean enterprise knowledge
codex mcp add glean --url <server-url>/mcp/<server-name>
codex mcp login glean
Glean developer docs
codex mcp add glean-dev-docs --url https://developers.glean.com/mcp

Which plugin do I need?

I want to…Install
Search company docs, Slack, and email; explore code across repos; find people and experts; prep for meetingsglean
Search Glean's developer documentation — APIs, SDKs, MCP, and integration guidesglean-dev-docs