diff --git a/README.md b/README.md
index a6d2cf6..a66e182 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,13 @@ These skills work with any agent that supports the [Agent Skills](https://agents
 /plugin marketplace add stellar/stellar-dev-skill
 
 # Then install the skill
-/plugin install stellar-dev@stellar-dev-skill
+/plugin install stellar-dev@stellar-dev
+```
+
+### [OpenAI Codex](https://developers.openai.com/codex/skills/)
+
+```bash
+git clone https://github.com/stellar/stellar-dev-skill ~/.codex/skills/stellar-dev-skill
 ```
 
 ### [npx skills](https://skills.sh)
diff --git a/site/src/data/installers.mjs b/site/src/data/installers.mjs
index bf6b6d1..d5ba32b 100644
--- a/site/src/data/installers.mjs
+++ b/site/src/data/installers.mjs
@@ -21,7 +21,7 @@ export const INSTALLERS = [
     description: "Install using the plugin marketplace:",
     commands: [
       "/plugin marketplace add stellar/stellar-dev-skill",
-      "/plugin install stellar-dev@stellar-dev-skill",
+      "/plugin install stellar-dev@stellar-dev",
     ],
   },
   {
@@ -30,6 +30,13 @@ export const INSTALLERS = [
       "Install from the Cursor Marketplace, or add manually via Settings → Rules → Add Rule → Remote Rule (GitHub) with this slug:",
     commands: ["stellar/stellar-dev-skill"],
   },
+  {
+    name: "OpenAI Codex",
+    description: "Clone the repo into your Codex skills directory:",
+    commands: [
+      "git clone https://github.com/stellar/stellar-dev-skill ~/.codex/skills/stellar-dev-skill",
+    ],
+  },
   {
     name: "npx skills",
     description: "Install using the npx skills CLI:",