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Docs

**Help article: Connect a coding agent**

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Start

[Your first session](/docs/getting-started)[Connect a repository](/docs/connecting-a-repo)[Connect a coding agent](/docs/connecting-agents)

Work

[Working with sessions](/docs/sessions)[Plan a change before you build it](/docs/plan-mode)[Preview the running result](/docs/live-previews)[Make your app ready for previews](/docs/preview-ready-app)[From session to pull request](/docs/pull-requests)[Get a second agent to review a pull request](/docs/independent-reviews)[Todos and saved workflows](/docs/todos-and-workflows)

Ship

[Ship a release](/docs/releases)[Set up GitHub Actions deploy workflows](/docs/github-actions-deploy-workflows)

Configure

[Agent instructions](/docs/agent-instructions)[Project settings](/docs/project-settings)[Give sessions SSH access to a server](/docs/ssh-servers)[Notifications](/docs/notifications)

Integrate

[Webhooks](/docs/webhooks)[Connect an external agent with MCP](/docs/mcp-and-api)

Reference

[When something needs attention](/docs/troubleshooting)[Self-host setup](/docs/self-host-setup)[Frequently asked questions](/docs/faq)

Documentation

# Connect a coding agent

Rondar runs each session with your own coding-agent account.

Updated October 13, 2026

1

## Know what you connect

Connect your own OpenAI Codex, Claude Code, Google Gemini, OpenCode, Kimi Code, xAI Grok Build or Meta Muse Code account. Your provider bills its usage separately.

Rondar does not sell model usage. A session runs on the account that you connect, with the limits of that account. Your Rondar plan sets how many sessions can run at the same time.

2

## Open Connections

Open **Settings → Connections**. The page has one card for GitHub and one card for each coding agent that this installation offers.

3

## Sign in to the provider

Select **Connect** on the card of the agent. The sign-in has one of these two forms:

- **A code that you enter at the provider.** Rondar shows an address and a short code. Open the address, sign in to the provider, and enter the code. Rondar shows the connection when the provider confirms it. OpenAI Codex uses this form.

- **A code that you bring back.** Rondar shows a link. Open it and sign in to the provider. The provider shows a code. Go back to Rondar, select **I have the code**, paste the code and select **Connect**. Claude Code uses this form.

4

## Add a second account

You can connect more than one account of the same provider, for example a personal account and a team account. Use **Make default** to choose the account that new sessions use. **Rename** gives an account a name that you know again.

5

## Choose the model

**Settings → Agent defaults** sets the agent, the model and the reasoning level for Regular mode and for Plan mode. A project can have its own defaults in its settings. In a session, the control below the message field changes the model for the next message only.

A session that exists keeps its model. New defaults apply to new sessions.

6

## Keep the connection in good condition

The card of each account shows its usage when the provider gives it. Select **Refresh usage** to read it again. If sessions give no output, open Connections first: a provider can end a sign-in, and **Refresh connection** or a new sign-in corrects that.

Provider usage and charges are separate from Rondar.

[Request an invite →](/access)

## On this page

[Know what you connect](#step-1)[Open Connections](#step-2)[Sign in to the provider](#step-3)[Add a second account](#step-4)[Choose the model](#step-5)[Keep the connection in good condition](#step-6)

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