diff --git a/content/copilot/concepts/agents/copilot-cli/rubber-duck.md b/content/copilot/concepts/agents/copilot-cli/rubber-duck.md
index d958a5fb0fd4..ffb01eb743ae 100644
--- a/content/copilot/concepts/agents/copilot-cli/rubber-duck.md
+++ b/content/copilot/concepts/agents/copilot-cli/rubber-duck.md
@@ -81,6 +81,12 @@ Or part way through a series of changes, you could prompt:
 Get a critique of the changes you've made so far.
 ```
 
+You can also invoke the rubber duck agent with a slash command:
+
+```copilot
+/rubber-duck What edge cases are missing?
+```
+
 ## Benefits of using the rubber duck agent
 
 * **Catches issues early.** Most non-trivial tasks that fail have problems that a critique could have caught at the planning stage. Getting feedback before code is written is preferable to fixing problems later in the process.
diff --git a/content/copilot/reference/copilot-cli-reference/cli-command-reference.md b/content/copilot/reference/copilot-cli-reference/cli-command-reference.md
index e2b64ec98791..bc47f90873cd 100644
--- a/content/copilot/reference/copilot-cli-reference/cli-command-reference.md
+++ b/content/copilot/reference/copilot-cli-reference/cli-command-reference.md
@@ -238,6 +238,7 @@ Holding <kbd>↑</kbd> or <kbd>↓</kbd> accelerates scrolling after the first 1
 | `/restart`                                          | Restart the CLI, preserving the current session. |
 | `/resume [SESSION-ID]`, `/continue [SESSION-ID]`    | Switch to a different session by choosing from a list (optionally specify a session ID). |
 | `/review [PROMPT]`                                  | Run the code review agent to analyze changes. See [AUTOTITLE](/copilot/how-tos/copilot-cli/use-copilot-cli/agentic-code-review). |
+| `/rubber-duck [PROMPT]`                             | Consult the rubber duck agent for a second opinion on plans, code, and tests. See [AUTOTITLE](/copilot/concepts/agents/copilot-cli/rubber-duck). |
 | `/sandbox [enable\|disable]`                        | Configure shell command sandboxing. |
 | `/search [QUERY]`, `/find [QUERY]`                  | Search the conversation timeline. {% data reusables.copilot.experimental %} |
 | `/session [info\|checkpoints [n]\|files\|plan\|rename [NAME]\|cleanup\|prune\|delete [ID]\|delete-all]`, `/sessions [info\|checkpoints [n]\|files\|plan\|rename [NAME]\|cleanup\|prune\|delete [ID]\|delete-all]`  | Show session information and manage sessions. Subcommands: `info`, `checkpoints`, `files`, `plan`, `rename`, `cleanup`, `prune`, `delete`, `delete-all`. |