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T3 Code, an open-source project from T3 Tools, brings coding agents such as Claude Code, Codex and Cursor into one interface. Users connect their existing provider accounts; T3 Code says it does not resell tokens or charge for the app. The project was at version 0.1.7 on Nov. 4, and its developer usage claim has not been independently verified.
T3 Tools’ T3 Code is an open-source app that brings several AI coding agents, including Claude Code, Codex and Cursor, into one interface. It is designed for developers who want to coordinate or compare agents without replacing their existing provider subscriptions; T3 Code says the app itself is free and does not resell tokens.
T3 Code describes itself as a control layer for coding agents rather than a model or a replacement for the software that lets those agents read files and run commands. Its FAQ says it uses the agent harnesses users already install and places a shared interface on top. The project’s homepage lists Claude Code, Codex, Google’s Antigravity, OpenCode, Cursor and Grok Build. Its GitHub installation guide listed 10 providers on Nov. 8, adding Kiro, Pi, Muse Code and fx.
Users sign in to providers through their own tools or accounts on the machine running the agents. The project’s instructions include commands such as claude auth login and codex login; Antigravity uses Google sign-in in T3 Code’s provider settings. The app also supports API keys or OpenRouter as separate provider configurations, according to its FAQ. Providers continue to set their own plan limits and bills.
A task can run in its own thread, Git branch and working folder, according to the project description. Users can inspect a diff and then commit, push and open a pull request through the same interface. The software is available as desktop apps for macOS, Windows and Linux, along with a web app, a command-line server and mobile apps for iOS and Android. Agents run on a machine chosen by the user, while other devices can connect to it remotely.
One hub for coding agents Keep your existing subscriptions
T3 Code brings multiple AI coding agents into a shared interface. It adds a workspace for coordinating tasks while providers continue to set their own plans and limits.
One interface, many agents
The project lists agents including Claude Code, Codex, Cursor and Antigravity.
Coordinate tasks
Run work in separate threads, Git branches and working folders.
Inspect the diff
Review changes, then commit, push or open a pull request from the interface.
Connect provider accounts
Agents use installed harnesses and accounts on a machine you choose.
How the subscription model works
T3 Code describes itself as a control layer, not a model or a new provider subscription.
- Open-source app under the MIT licence
- Says the app is free and does not resell tokens
- Offers desktop, web, command-line server and mobile options
- Users connect their own accounts or configure API keys
- Providers set their own plan limits and bills
- Usage cost figures are API-equivalent estimates, not subscription bills
Check before installing
The project is early-stage, and the source material does not establish its performance or security independently.
- Confirm current provider support and setup requirements.
- Review default thread permissions and your agent configuration.
- Check each provider’s sign-in method, plan limits and terms.
One Workflow Across Coding Agents
For developers paying for more than one coding assistant, a shared workspace could reduce the need to switch between separate apps and terminals. It also gives teams a way to assign agents to separate branches and review their changes in a common diff view. Those functions may make it easier to run tasks in parallel or ask one agent to review another’s work, though the project description does not establish that this improves code quality or saves time in practice.
The subscription arrangement is a central part of the pitch: T3 Code adds an interface, not a new model subscription. Its usage page combines activity across agents, but the project says its cost figures are API-equivalent estimates rather than the actual bills for subscription plans. Developers still need to track each provider’s limits and terms.
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AI coding products commonly bundle a model with a harness: software that gives the model access to a codebase and tools such as command execution. T3 Code says it uses installed harnesses rather than supplying its own. Its homepage calls the product “the open-source control plane for coding agents.” That description is the project’s characterization, not an independent assessment of its capabilities.
The project is distributed under the MIT licence, and its FAQ says there is no charge to use T3 Code. The project’s website reported more than 500,000 developers using it, but that figure could not be independently checked. Its GitHub repository had about 52,000 stars on Nov. 8, 2026; the homepage rounded the figure to “51k+.” Stars indicate repository interest and do not verify active users.
““the open-source control plane for coding agents””
— T3 Code homepage
Early Release, Open Questions
T3 Code was at version 0.1.7 on Nov. 4, 2026, making it an early-stage project. The available source material does not establish how reliably every listed provider works across operating systems, how the app handles simultaneous tasks at scale, or how its security and access controls compare with established coding environments.
The project says new threads start in full-access mode unless users change the default. The practical permissions depend on the agent and machine configuration, and the source material does not provide an independent security review. Its claim of more than 500,000 developers is also unverified; the repository star count is a separate measure and should not be treated as a user count.
What Users Should Check Before Installing
Developers considering T3 Code can check the current installation guide and release notes for supported providers, operating systems and setup requirements. They should also review the default thread permissions and confirm that each provider’s sign-in method and account plan are supported. The current source material gives no announced roadmap or next release date, so further development details remain unknown.
Key Questions
Does T3 Code include an AI model?
No. T3 Code says it uses coding-agent harnesses users already have installed and provides a shared interface for them.
Do users need a new subscription?
The project says users connect their existing provider accounts and continue to pay those providers. T3 Code says its app is free and does not resell tokens.
Which coding agents does it support?
The homepage lists Claude Code, Codex, Antigravity, OpenCode, Cursor and Grok Build. The installation guide listed 10 providers on Nov. 8, 2026, including Kiro, Pi, Muse Code and fx.
Can users review and submit code changes in T3 Code?
The project says each task can use a separate Git branch and working folder, with a diff review and options to commit, push and open a pull request.
Is T3 Code suitable for every developer?
The project presents it as useful for people coordinating multiple agents or tasks. Someone who uses one tool in one terminal may not need a shared interface. The software was at version 0.1.7 on Nov. 4, 2026, and its performance and security have not been independently established in the source material.
Source: Thorsten Meyer AI
