1# T3 Code docs
2
3## Using T3 Code
4
5[Install T3 Code](./user/install.md)
6[Messages and context](./user/composer.md)
7[Working with threads](./user/thread-sidebar.md)
8[Permission modes](./user/permission-modes.md)
9[Terminal history](./user/terminal.md)
10[Source control](./user/source-control.md)
11[Project settings](./user/project-settings.md)
12[Appearance and themes](./user/appearance.md)
13[Keyboard shortcuts](./user/keybindings.md)
14[Voice input](./user/voice-input.md)
15[Text generation models](./user/text-generation.md)
16[SnapShots](./user/snap-shot.md)
17[Visual replies](./user/html-renders.md)
18[Import browser sessions](./user/browser-import.md)
19[Use T3 Code as your default browser](./user/default-browser.md)
20[Devices](./user/devices.md)
21[Usage and limits](./user/usage.md)
22[Secrets](./user/secrets.md)
23[Product usage data](./user/telemetry.md)
24[Remote access](./user/remote-access.md)
25[Guest links](./user/guest-links.md)
26[T3 Connect troubleshooting](./user/t3-connect-troubleshooting.md)
27[Outside agents (MCP)](./user/outside-agents.md)
28[Running in the background](./user/background-service.md)
29[Updating T3 Code](./user/updating.md)
30[Triage an issue](./user/triage.md)
31Provider guides: [Codex](./user/providers-codex.md) · [Claude](./user/providers-claude.md) · [OpenCode](./user/providers-opencode.md) · [Antigravity](./user/providers-antigravity.md) · [Kiro](./user/providers-kiro.md) · [Pi](./user/providers-pi.md) · [Muse Code](./user/providers-muse.md) · [fx](./user/providers-fx.md)
32
33---
34
35## Working on T3 Code
36
37Start with the [development runbook](./operations/development.md) and
38[contribution policy](../CONTRIBUTING.md).
39
40Internal notes preserve architectural decisions, constraints, and implementation traps that the
41source alone does not explain. Most code changes do not need an internal documentation update. Follow the
42[documentation rules](../AGENTS.md#documentation) before adding one.
43
44[Architecture overview](./internals/overview.md)
45[Glossary](./internals/glossary.md)
46[Connection runtime](./internals/connection-runtime.md)
47[Providers](./internals/providers.md)
48[Adding a provider](./internals/adding-a-provider.md)
49[Pull request file revisions](./internals/pull-request-file-revisions.md)
50[Model classification](./internals/model-manifest.md)
51[Remote environments](./internals/remote.md)
52[Server updates](./internals/server-updates.md)
53[Resource telemetry](./internals/resource-telemetry.md)
54[Product analytics](./internals/product-analytics.md)
55[Environment auth](./internals/environment-auth.md)
56[T3 Connect](./internals/t3-connect.md)
57[Assistant citations](./internals/assistant-citations.md)
58[Mobile layout](./internals/mobile-layout.md)
59[Mobile navigation](./internals/mobile-navigation.md)
60[Mobile development lifecycle](./internals/mobile-development.md)
61[Terminal runtime](./internals/terminal-runtime.md)
62[Devices](./internals/devices.md)
63[Voice input](./internals/voice-input.md)
64
65### Runbooks
66
67[Development and local builds](./operations/development.md)
68[Scenarios: real-app proof for a fix](./operations/scenarios.md)
69[T3 Connect setup](./operations/connect-setup.md)
70[Release](./operations/release.md)
71[Observability](./operations/observability.md)
72[Relay observability](./operations/relay-observability.md)
73[Mobile app store screenshots](./operations/mobile-app-store-screenshots.md)