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Connect Codex to Mobbin

Connect Codex to Mobbin in 3 steps: 1. Sign in to ApexGenius and connect Mobbin. 2. Add the ApexGenius plugin. 3. Start using Mobbin in Codex. Start in Plugins in the ChatGPT desktop app and authorize your connection.

Connect MobbinSee the setup

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How to connect Mobbin to Codex

  1. 1Sign in to ApexGenius and connect Mobbin
  2. 2Add the ApexGenius plugin to Codex
  3. 3Start using Mobbin in Codex

FirstConnect Mobbin to ApexGenius

ThenConnect ApexGenius to Codex

Mobbinmobbin.com/oauth/consent1 of 3

Connect Mobbin. Mobbin opens its own sign-in. Sign in and allow ApexGenius.

Then ask Codex:

Search Mobbin for five mobile screens that show an empty state on search results, and name the product behind each. Do not change anything.

Written setup, step by stepShow

Before you start

  • An account with permission to use the Mobbin resources you intend to connect.

1. Connect Mobbin to ApexGenius

  1. Open Mobbin in Connections. Choose Connect, or Add connection when offered. Give the connection a name if prompted. If Gateway setup pending appears, contact ApexGenius support before continuing.
  2. Choose the account and review access. Sign in to Mobbin in the browser and grant the assistant access. Mobbin uses browser authorization; no API key. A paid Mobbin plan (Pro, Team or Enterprise) is required, and Mobbin allows 60 requests a minute.
    The full Mobbin consent page, Connect ApexGenius with Mobbin MCP, with the signed-in account blurred and red boxes around the account row and the Continue button.
    Mobbin names the ApexGenius client, the signed-in Mobbin account and the callback address. Continue connects your account. Cancel stops without connecting. The account name is blurred in this capture.Open full-size image (opens in a new tab)
  3. Review the connected account and resources. Confirm the connected Mobbin account. Open Tools to review the three search tools: screens, user flows and website sections. Results are references from shipped products, not assets to copy.
  4. Check the connection. Use Test connection or Check again and read the reported status. Add an AI agent from the AI agents page, choose Read only for the first test, and try the question below.
Connect Mobbin →

2. Connect ApexGenius to Codex

  1. In the desktop app, open Settings, then MCP servers and Add server.
  2. Name the server ApexGenius, choose Streamable HTTP, and paste the MCP address above.
  3. Save, then select Restart. Choose Authenticate for ApexGenius and complete the browser sign-in.
  4. When ApexGenius asks what this AI client may use, choose Read only for the first test, or Custom to limit it to the tools you need.
  5. Start a new conversation and select ApexGenius from the available tools before asking for live data.
Official Codex setup instructions ↗

Watch the setup

Follow each step at your own pace.

Codex desktop app with Plugins selected and ApexGenius listed under Available to your account.
Open Codex in the ChatGPT desktop app, then Plugins, and find ApexGenius.Open full-size image (opens in a new tab)

Step 1 of 4Open Plugins

The walkthrough uses the original ChatGPT web plugin captures. After connecting, open Codex in the desktop app and start a new task with ApexGenius. A ChatGPT web connection does not verify Codex access.

A public ApexGenius plugin listing is not verified. Use a plugin shared with you or one you created, subject to your account and workspace policy.

OpenAI Plugins guide (opens in a new tab)Full Codex setup guide
Create a personal plugin

Where Developer mode is available, open ChatGPT Settings, then Security and login, and enable it. In Plugins, select the plus button, enter ApexGenius and a description, then add this URL under Connection. Create the connection, complete OAuth, and review the tools. Return to Codex in the desktop app and start a new task with the plugin enabled.

https://server.autom8.pro/mcp
OpenAI custom connection guide (opens in a new tab)
No plugin available? Use desktop settings
  1. In the ChatGPT desktop app, open Settings, then MCP servers, then Add server.
  2. Name the server ApexGenius, choose Streamable HTTP, and paste the MCP address below.
  3. Save, select Restart, then Authenticate. Sign in to ApexGenius and authorize the intended connections and access.
  4. Start a new Codex task and ask one read-only question. Check the returned result and its matching successful read in Activity.
https://server.autom8.pro/mcp
OpenAI desktop MCP settings (opens in a new tab)
Manual setup for developers

Codex CLI is optional. Run these commands, complete browser authorization, then start a new session. Do not paste bearer tokens or static authorization headers.

Register the remote MCP server

codex mcp add apexgenius --url https://server.autom8.pro/mcp

Authorize in your browser

codex mcp login apexgenius

Inspect registered servers

codex mcp list

The desktop app, CLI, and IDE extension share MCP configuration on the same host. The IDE extension does not install plugins. ChatGPT web does not read local Codex configuration.

3. Verify one safe read

Search Mobbin for five mobile screens that show an empty state on search results, and name the product behind each. Do not change anything.

Search Mobbin for five mobile screens that show an empty state on search results, and name the product behind each. Do not change anything.

Compare the returned account and resource with Mobbin. Check the connection status separately from the result of the first read.

What Codex can do in Mobbin

3 operations. Read looks things up and changes nothing. There are no write tools, so Codex cannot change Mobbin through ApexGenius.

Read3 operations

Looks things up. Changes nothing.
  • search_screensIndividual mobile and web UI screens: a login screen, paywall, empty state, dialog, form or navigation treatment.
  • search_flowsOrdered, multi-step user flows: onboarding, checkout, account setup, identity verification, subscription, cancellation.
  • search_sectionsWebsite sections: heroes, pricing sections, testimonials, navigation, footers.

You choose what Codex can use

When you approve Codex, pick Full access, Read only, or Custom. Read only allows the Read operations and nothing else. Custom picks apps and tools one by one.

Limits in Mobbin

  • · Mobbin uses browser authorization; no API key is pasted into ApexGenius. A free Mobbin account cannot authorize: Pro, Team or Enterprise is required.
  • · Every documented Mobbin tool is a read. Nothing here changes Mobbin or any other system.
  • · Mobbin allows 60 requests a minute per user. Results are references from shipped products, not assets to copy.

What it looks like in Codex

An illustrative read-only request and response. Your results come from the account and dates you choose.

How the route works
Codex
CodexApexGenius MCP route
Search Mobbin for five mobile screens that show an empty state on search results, and name the product behind each.
ApexGenius
Working with ApexGenius3 reads
RequestConnected read
Account scopeAuthorized connections checked
Salesforceapex_call_read_toolsalesforce_read · Find matching recordsComplete
Salesforceapex_call_read_toolsalesforce_read · Read related activityComplete
n8napex_call_read_tooln8n_get_workflow · Check workflow statusComplete
Codex

Three safe example reads returned results. Nothing was changed.

Read-only route
Codex

Try asking

“Search Mobbin for five mobile screens that show an empty state on search results, and name the product behind each.”

“Find onboarding flows on Mobbin for fintech apps and summarize the steps they share.”

“Show me pricing sections on Mobbin from B2B SaaS websites, with the product behind each.”

More connections like this one

One ApexGenius account covers every pair below. Connect an app once and each agent you allow can use it.

Questions people ask first

What do I need to connect Mobbin?

A Mobbin account on a paid plan (Pro, Team or Enterprise). Choose Connect, sign in to Mobbin in the browser, and approve. A free account gets through sign-in and then fails to authorize.

Can my AI change anything in Mobbin?

No. Mobbin publishes three search tools and no writes, and ApexGenius routes them through its read path.

Does this use Mobbin hosted MCP?

Yes. ApexGenius connects to Mobbin's official hosted MCP server and registers itself with Mobbin's authorization server. No shared client secret is involved.

What should I test first?

Ask for five screens of one UI pattern and check the results open on mobbin.com. Reads change nothing.

Connect Mobbin to Codex today

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7 days free. No card required. Disconnect any time.