How does Codex get access to my apps?

You connect an integration to the agent's tools handle and select which operations to expose. Codex then calls those operations as tools, authenticated with the credentials you connect in NoClick.

Is this the same Codex CLI?

Yes. NoClick runs the Codex harness for you and adds your connected apps as tools. You do not have to install or manage anything locally.

Can I trigger a Codex agent automatically?

Yes. Because it runs hosted, you can start it from a schedule, a webhook, or another app event, not just by hand.

Which apps can I connect?

Any of NoClick’s tool-provider integrations, from Slack and Linear to GitHub, Notion, Google Sheets, Postgres, and dozens more.

Codex

Connect Codex to Mattermost

Run Codex as a hosted agent in NoClick with Mattermost wired into its tools handle. It can use Mattermost directly while it works. No glue code, nothing to install. Click below to open a ready-to-run agent and connect your account.

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Opens a workflow with 25 tools ready to use.

Set up in minutes

The open button drops you into a guided setup. It asks exactly this, nothing else:

Choose where it runs
On your computer through your own Codex, or hosted in the cloud. The rest of setup adapts to your choice:
Pick what it can do in Mattermost
A preset of real Mattermost operations. Each one becomes a tool the agent can call, and it can't touch anything outside the list.
Connect Mattermost
One sign-in. The agent acts through your account, scoped to the operations you picked.
Add your personal MCP link
The last step mints a private MCP URL for this agent and walks you through exactly this, with your real link filled in. The page flips to Connected the moment your Codex first calls in. Codex connects when a session starts — run codex, or restart a running one (in the Codex app, Restart).
Run this in your terminal. The Codex app shares its config, so it gets the server too
$codex mcp add noclick --url https://mcp.noclick.app/s/<your-link>
<your-link> is your personal server URL — setup mints it for you.

Tools Codex gets

Pick the operations you want and each becomes a tool the agent can call directly while it works.

Mattermost

25 tools

Get Current User

Read the authenticated account to verify the connection.

Get User

Read a user profile.

Get User By Username

Find a user by their exact username.

List My Teams

List teams the authenticated user belongs to.

List Public Channels

Read one page of public channels in a team.

List My Channels

List the authenticated user’s channels in a team.

Get Channel

Read a channel.

Create Channel

Create a public or private channel.

Update Channel

Update only the supplied channel fields.

Create Direct Channel

Create or retrieve the direct channel between two users.

List Channel Members

Read one page of channel memberships.

Add Channel Member

Add one user to a channel.

Remove Channel Member

Remove a user from a channel.

List Posts

Read one page of messages in a channel, newest first.

Create Post

Send a Markdown message or reply in a channel.

Get Post

Read one message.

Update Post

Patch the message text while preserving other fields.

Delete Post

Delete a message (the server may retain it for compliance).

Get Thread

Read a thread in one API response, with an optional continuation post.

Search Posts

Search team messages; page controls require Elasticsearch on the server.

Add Reaction

React to a post as the supplied authenticated user ID.

Remove Reaction

Remove the supplied user’s reaction (permissions apply).

List Reactions

List reactions on a post.

Pin Post

Pin a message to its channel.

Unpin Post

Unpin a message from its channel.

About Codex

Codex is OpenAI's command-line coding agent. NoClick runs it as a hosted agent and lets you connect your apps to it as tools, turning it from a coding assistant into an operator that can act across your systems. Connect an integration to the agent and Codex can query, create, and update records in that app directly. You keep the Codex experience and give it real reach into the tools your team already uses.

Fast, capable code generation and editing

Good at well-scoped, concrete tasks

Strong at API and data manipulation

Familiar to teams already on OpenAI tooling