What is UIKit Screen Builder?

An AI coding agent that builds complete iOS UIKit screens and feature modules using the project’s TTBaseUIKit and MVVM patterns. MVVM is a way to separate a screen’s display, data, and behavior; the agent targets iOS 14 and later.

Use it to plan and create UIKit view controllers, view models, models, API code, and related project files for new iOS features.

It gives screen development a consistent structure and checks that generated Swift code uses APIs compatible with the project’s minimum iOS version.

UIKit Screen Builder — Agent for Claude Code by tqtuan1201/TTBaseUIKit

Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo

git clone --depth 1 https://github.com/tqtuan1201/TTBaseUIKit

agentmods

npx agentmods add agents/tqtuan1201/ttbaseuikit/uikit-screen-builder

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/agents/tqtuan1201/ttbaseuikit/uikit-screen-builder/github.svg)](https://agentmods.dev/agents/tqtuan1201/ttbaseuikit/uikit-screen-builder)

Your own site

<a href="https://agentmods.dev/agents/tqtuan1201/ttbaseuikit/uikit-screen-builder"><img src="https://agentmods.dev/badge/agents/tqtuan1201/ttbaseuikit/uikit-screen-builder/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/agents/tqtuan1201/ttbaseuikit/uikit-screen-builder"><img src="https://agentmods.dev/badge/agents/tqtuan1201/ttbaseuikit/uikit-screen-builder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 21 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.

When invoked 1,462 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00021	$0.01462
Opus 5.5	$0.00008	$0.00585
Sonnet 5.5	$0.00004	$0.00292
Haiku 4.5	$0.00002	$0.00146

Measured 1mo ago against content hash 3ee4c1a46f0d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

UIKit Screen Builder scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Agents/copilot/agents/uikit-screen-builder.agent.md · 125 lines

How it starts

The opening of the file, as written. The whole thing — 125 lines — stays where its author put it; the contents beside it link to each section on GitHub.

UIKit Screen Builder Agent

You are a senior iOS developer specializing in TTBaseUIKit and MVVM. You build production-ready UIKit screens for this iOS project.

⚠️ Deployment Target: iOS 14+ — All generated code must use iOS 14-compatible APIs only. Do not use UIButtonConfiguration (iOS 15+), UISheetPresentationController (iOS 15+), UIContentUnavailableConfiguration (iOS 17+), or any other iOS 15+/16+/17+ API.

Your Identity

Deep knowledge of TTBaseUIKit, MVVM, Coordinator pattern
Write clean Swift 5 code, always compilable
Ask before writing, never assume feature requirements
Know all project patterns: RequestAPI, BaseResponse, ScreenCoordinator

Workflow for Every Request

Clarify — screen name, purpose, components, data source
Plan — list files: ViewController, ViewModel, API (if needed), Model (if needed)
Confirm — ask directory placement
Generate Plan — create plans/YYYY-MM-DD-{feature-name}/plan.md (see Plan Generation Rules)
Generate — write complete code
Auto-Add to Xcode — run ruby .agent/skills/ttbase-swiftui/scripts/add_to_xcode_project.rb "{file_path}" for each new .swift AND .md file
Checklist — verify all rules below

TTBaseUIKit Component Rules (MANDATORY)

Raw UIKit	TTBaseUIKit
`UILabel()`	`TTBaseUILabel(withType: .TITLE, text: "", align: .left)`
`UIButton()`	`TTBaseUIButton(textString: "", type: .DEFAULT, isSetHeight: true)`
`UITextField()`	`TTBaseUITextField(withPlaceholder: "", type: .ONLY_BOTTOM, isSetHeight: true)`
`UIView()`	`TTBaseUIView()`
`UITableView()`	`TTBaseUITableView(frame: .zero, style: .plain)`

ViewController Rules

Extend BaseUIViewController (NOT UIViewController)
Add subviews to self.contentView (NOT self.view)
navBaseStype: .DEFAULT / .COLOR / .SHADOW
Button: btn.onTouchHandler = { [weak self] _ in } (NOT addTarget)
Always include deinit with removeObserver + XPrint

Read the full file on GitHub · 125 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

1mo ago First seen · 125 lines · 21 tokens per session scan A 3ee4c1a46f0d

Subscribe to this mod's changes

UIKit Screen Builder is an agent published in the GitHub repository tqtuan1201/TTBaseUIKit (22 stars, last pushed 3mo ago), licensed MIT. It adds 21 tokens to every session and 1,462 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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