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twishabansal merged 1 commit into from
Jun 19, 2026
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docs: update codex installation instructions #176

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38 changes: 7 additions & 31 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -177,50 +177,26 @@ _(Tip: Run `/plugin list` inside Claude Code to verify the plugin is active, or
<details>
<summary id="codex">Codex</summary>

**1. Clone the Repo:**
**1. Install marketplace:**

```bash
git clone --branch 0.4.0 git@github.com:gemini-cli-extensions/cloud-sql-postgresql.git
codex plugin marketplace add GoogleCloudPlatform/data-agent-kit
```

**2. Install the plugin:**

```bash
mkdir -p ~/.codex/plugins
cp -R /absolute/path/to/cloud-sql-postgresql ~/.codex/plugins/cloud-sql-postgresql
codex plugin install cloud-sql-postgresql@data-agent-kit
```

**3. Set env vars:**
Enter your environment vars as described in the [configuration section](#configuration).

**4. Create or update marketplace.json:**
`~/.agents/plugins/marketplace.json`

```json
{
"name": "my-data-cloud-google-marketplace",
"interface": {
"displayName": "Google Data Cloud Skills"
},
"plugins": [
{
"name": "cloud-sql-postgresql",
"source": {
"source": "local",
"path": "./plugins/cloud-sql-postgresql"
},
"policy": {
"installation": "AVAILABLE",
"authentication": "ON_INSTALL"
},
"category": "Database"
}
]
}
**4. (Optional) Update the marketplace:**
```sh
codex plugin marketplace upgrade data-agent-kit
```

_(Tip: Run `codex plugin list` or use the `/plugins` interactive menu to verify your installed plugins.)_

</details>

## Installing using [open agent skills tool](https://github.com/vercel-labs/skills)
Expand Down Expand Up @@ -283,4 +259,4 @@ Common issues:
- "failed to find default credentials: google: could not find default credentials.": Ensure [Application Default Credentials](https://cloud.google.com/docs/authentication/gcloud) are available in your environment. See [Set up Application Default Credentials](https://cloud.google.com/docs/authentication/external/set-up-adc) for more information.
- "✖ Error during discovery for server: MCP error -32000: Connection closed": The database connection has not been established. Ensure your configuration is set via environment variables.
- "✖ MCP ERROR: Error: spawn .../toolbox ENOENT": The Toolbox binary did not download correctly. Ensure you are using the latest version of your agent.
- "cannot execute binary file": The Toolbox binary did not download correctly. Ensure the correct binary for your OS/Architecture has been downloaded. See [Installing the server](https://mcp-toolbox.dev/documentation/introduction/#install-toolbox) for more information.
- "cannot execute binary file": The Toolbox binary did not download correctly. Ensure the correct binary for your OS/Architecture has been downloaded. See [Installing the server](https://mcp-toolbox.dev/documentation/introduction/#install-toolbox) for more information.
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