What is T3 Code?
T3 Code is an open-source interface for controlling coding agents, including Claude Code, Codex, Cursor, and OpenCode. It works with providers configured on the host machine and offers desktop, web, and mobile clients for working with their agents.
Execution stays in the environment that owns the workspace. The server manages provider processes, terminals, Git, and project files, while clients connect through authenticated RPC. The desktop app bundles a server, and a standalone server can also run on a development machine or remote host. Remote access is available through T3 Connect, direct network pairing, or desktop-managed SSH.
The project is distributed under the MIT license and is described by its maintainers as early-stage software with expected bugs. An authenticated provider is required before starting a thread, and remote work depends on the host remaining running and reachable.
Key capabilities
- Agent control Work with supported coding providers through a shared desktop, web, or mobile interface.
- Remote access Connect to workspace hosts through T3 Connect, network pairing, or desktop-managed SSH.
- Environment management Configure providers and accounts on their owning machines and access multiple environments from a client.
- Usage visibility Review available provider history, token consumption, estimated API-equivalent costs, and reported subscription limits.
- Workspace checkpoints Capture workspace state through hidden Git references, with rollback constrained by provider conversation support.
- Remote browser access View and control browser tabs hosted in the workspace environment from another device.
Where T3 Code fits
T3 Code fits development workflows where coding agents run on a workstation or remote machine but need to be controlled from another desktop, a browser, or a phone. It can also bring several provider accounts and workspace environments into a shared interface without moving execution to the client device.
Before deployment, teams should verify provider authentication, supported provider versions, host availability, network reachability, and connection permissions. Hosted web access requires a reachable HTTPS endpoint. Usage estimates depend on available history and provider reporting, so they should not be treated as subscription invoices or complete billing records.
Install
winget install T3Tools.T3CodeReviews of T3 Code
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Alternatives to T3 Code
AiderOpen-source command-line tool for editing code with LLMs inside a local git repository. It builds a repository map, applies model edits to files, commits each change, runs linters and tests, and works with most hosted and local models.AAirshipAirship is a local CLI with a browser visual editor for existing web apps; Claude Code, Codex or OpenCode implement the selected changes.
ClineApache-2.0 coding agent from Cline Bot Inc. that edits files, runs commands and uses MCP tools with per-action approval. Ships as a VS Code extension, JetBrains plugin, npm CLI, desktop app and TypeScript SDK, with BYOK or Cline-billed models.