T3 Code
MIT-licensed control plane for running Claude Code, Codex, Cursor, Grok, and OpenCode threads from desktop, web, iOS, and Android clients.
Do not bounce yet
Read the fit check, compare one alternative, then decide whether the vendor page is still your best next click.
Quick Verdict
Fast fit check before you leave the page
Make the fit call first. Vendor pages are good at selling, but they rarely tell you where the product is a bad match.
- Developers juggling Claude Code, Codex, Cursor, Grok, or OpenCode across several repositories
- Vibe-coding teams that need worktree isolation, diff review, terminals, and pull-request controls around concurrent agent work
- Developers who want to monitor or continue local coding-agent threads from web, iOS, or Android clients
- The project explicitly describes itself as very early and asks users to expect bugs; its fast release pace and large open issue count increase upgrade and reliability risk.
- T3 Code orchestrates powerful local agents rather than sandboxing them, so provider permissions, shell access, GitHub credentials, and generated changes still need strict review.
- Remote and hosted workflows expand the attack and privacy surface beyond a local-only terminal, including account, relay, device, repository, and provider data paths.
Compare Next
Take one more internal step before the vendor pitch
This is where visitors usually jump out too early. Read one deeper take or open one alternative so the next click is informed instead of impulsive.
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OpenWork
Open-source desktop workspace and MCP control plane for sharing agent skills, plugins, connected services, and repeatable AI workflows across coding tools and teams.
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Claude Code Router
MIT-licensed local gateway and desktop control plane for routing Claude Code, Codex, Grok CLI, and compatible agents across model providers.
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Claude Code
Anthropic’s agentic coding platform for terminal, IDE, desktop, web, CI, and code-review workflows.
T3 Code is built for developers who like the power of terminal coding agents but dislike managing every project, branch, diff, and long-running thread in separate shells. It runs a local control server around Claude Code, Codex, Cursor, Grok Build, or OpenCode, then exposes those sessions through desktop, browser, iOS, and Android clients. The result is a polished agent operations surface with real source-control workflow depth—not a new model—but its remote reach and early-stage pace deserve the same scrutiny as the agents it controls.
T3 Code is an open-source control surface for coding agents already installed and authenticated on a developer's machine. Its local server coordinates Claude Code, Codex, Cursor, Grok Build, and OpenCode while desktop, browser, iOS, and Android clients provide one place to manage projects and concurrent threads, inspect diffs, use terminals, create isolated worktree branches, and turn finished work into GitHub pull requests. T3 Code is free and brings the user's existing agent subscriptions, but remote access and hosted features introduce additional account, network, provider, and repository-data trust boundaries.
Why Choose T3 Code?
Choose T3 Code when one developer or team uses several coding-agent harnesses and wants a consistent place to launch, search, monitor, and resume their threads.
Per-thread worktrees, changed-file views, inline diff review, terminals, and GitHub pull-request creation make it useful beyond prompt submission.
The local server and cross-device clients are compelling for long-running work, while MIT licensing keeps the control plane inspectable and forkable.
Do not treat the UI as a sandbox: restrict provider and GitHub credentials, review permission modes and remote exposure, use branch protection, and verify every generated diff before commit or merge.
Key Features
One control surface for Claude Code, Codex, Cursor, Grok Build, and OpenCode sessions that use provider installations and authentication already configured on the host machine.
Local server plus Electron desktop, browser, iOS, and Android clients for managing projects and concurrent coding-agent threads across devices.
Per-thread branches and worktrees, changed-file and inline diff review, integrated terminals, GitHub pull-request creation, and source-control status in the same workflow.
Remote access, device pairing, thread search, provider and model switching, multiple Claude and Codex accounts, configurable permission modes, and background Linux service documentation.
Install-free `npx t3@latest` trial, Windows winget, macOS Homebrew, Arch AUR, and versioned desktop release assets for Windows, macOS, and Linux.
MIT-licensed monorepo with public docs, frequent releases, mobile clients, and a first-party security and privacy policy.
Pros & Cons
- It separates the agent harness from the control surface, letting developers keep existing provider subscriptions while managing several agents through one UI.
- Desktop, web, and mobile clients make long-running local coding threads observable and actionable away from the terminal.
- Worktree isolation, diff review, terminals, commit controls, and pull-request creation address the full repository workflow rather than stopping at chat.
- The implementation, license, docs, release artifacts, and active issue history are inspectable, with strong current repository traction.
- The project explicitly describes itself as very early and asks users to expect bugs; its fast release pace and large open issue count increase upgrade and reliability risk.
- T3 Code orchestrates powerful local agents rather than sandboxing them, so provider permissions, shell access, GitHub credentials, and generated changes still need strict review.
- Remote and hosted workflows expand the attack and privacy surface beyond a local-only terminal, including account, relay, device, repository, and provider data paths.
- Independent discussion is modest relative to the GitHub star count, and the vendor's 100,000-developer claim does not expose a public measurement method.
- The software is free, but practical use still depends on paid agent subscriptions or API usage and may require always-on host or relay infrastructure.
Detailed Use Cases for T3 Code
Run supported Claude, Codex, Cursor, Grok, and OpenCode sessions from one project-oriented surface while keeping each provider's existing authentication and subscription.
Inspect changed files and inline diffs, use integrated terminals, then commit, push, and create a GitHub pull request from an isolated thread workflow.
Connect desktop, browser, iOS, or Android clients to a development host when a long-running coding thread needs remote monitoring or input.
Audit or modify the MIT-licensed monorepo when a team wants control over its agent UI instead of depending entirely on a proprietary client.
Who Should Use T3 Code?
Developers juggling Claude Code, Codex, Cursor, Grok, or OpenCode across several repositories
Vibe-coding teams that need worktree isolation, diff review, terminals, and pull-request controls around concurrent agent work
Developers who want to monitor or continue local coding-agent threads from web, iOS, or Android clients
Open-source adopters comparing T3 Code with Codex App, Conductor, OpenWork, Vibe Kanban, and direct terminal workflows
Perfect For
Run Claude Code, Codex, Cursor, Grok, and OpenCode threads for several projects from one desktop workspace instead of switching among terminal sessions.
Assign separate branches or worktrees to concurrent coding tasks, inspect their diffs, and open GitHub pull requests from the same control plane.
Monitor or continue a coding-agent thread from iOS, Android, or a browser while the provider and repository remain on a development machine.
Self-host or fork a multi-agent coding UI when a team wants an inspectable MIT-licensed alternative to a vendor-locked desktop client.
Technical Details
Direct Competitors
Codex App
Claude Code
Conductor
OpenWork
Vibe Kanban
OpenCode
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Alternative Tools to Consider
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MIT-licensed local gateway and desktop control plane for routing Claude Code, Codex, Grok CLI, and compatible agents across model providers.
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Source-available VS Code and Cursor interface for Claude Code with checkpoints, inline diffs, history, permissions, and extension marketplaces.
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MIT-licensed coding agent with terminal, desktop, web, and IDE clients, plus reusable Agent Skills and provider-agnostic model support.
Do one more comparison before you commit to T3 Code
Strong picks usually survive one more internal check. Read deeper, compare a neighbor, then leave for the vendor page if the fit still holds.