agentmods.dev

flutter-add-integration-test

A guide to Flutter integration tests, which run an app and check complete user flows across its interface. It uses Flutter Driver tools and the `integration_test` package to turn explored interactions into repeatable tests.

In plain words
What is it for?
Use it to set up integration testing, explore an app, target important controls with keys, automate user journeys, and save those journeys as permanent tests.
Why use it?
It helps catch problems that only appear when several screens, actions, or app components work together.

Skill for Claude CodeCodex

2.9k +4 3d ago A scan 48 tokens original BSD-3-Clause
View the source file flutter/agent-plugins
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/flutter/agent-plugins/flutter-add-integration-test
Any agent
npx skills add flutter/agent-plugins --skill flutter-add-integration-test
Clone the repo
git clone --depth 1 https://github.com/flutter/agent-plugins

Made for: Claude Code, Codex.

Per session 48 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,671 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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.

ModelPer sessionOnce invoked
Fable 5 $0.00048 $0.01671
Opus 5 $0.00024 $0.00835
Sonnet 5 $0.00010 $0.00334
Haiku 4.5 $0.00005 $0.00167

Measured yesterday against content hash 8d81b053c5fd, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

flutter-add-integration-test 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 yesterday.

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.

skills/flutter-add-integration-test/SKILL.md · 164 lines

How it starts

The opening of the file, as written. The whole thing — 164 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Implementing Flutter Integration Tests

Contents

Project Setup and Dependencies

Configure the project to support integration testing and Flutter Driver extensions.

  1. Add required development dependencies to pubspec.yaml: 
    flutter pub add 'dev:integration_test:{"sdk":"flutter"}'
flutter pub add 'dev:flutter_test:{"sdk":"flutter"}'
  2. Enable the Flutter Driver extension in your application entry point (typically lib/main.dart or a dedicated lib/main_test.dart):
    • Import package:flutter_driver/driver_extension.dart.
    • Call enableFlutterDriverExtension(); before runApp().
  3. Add Key parameters (e.g., ValueKey('login_button')) to critical widgets in the application code to ensure reliable targeting during tests.

Interactive Exploration via MCP

Use the Dart/Flutter MCP server tools to interactively explore and manipulate the application state before writing static tests.

  • Launch: Execute launch_app with target: "lib/main_test.dart" to start the application and acquire the DTD URI.
  • Inspect: Execute get_widget_tree to discover available Keys, Text nodes, and widget Types.
  • Interact: Execute tap, enter_text, and scroll to simulate user flows.
  • Wait: Always execute waitFor or verify state with get_health when navigating or triggering animations.
  • Troubleshoot Unmounted Widgets: If a widget is not found in the tree, it may be lazily loaded in a SliverList or ListView. Execute scroll or scrollIntoView to force the widget to mount before interacting with it.

Test Authoring Guidelines

Structure integration tests using the flutter_test API paradigm.

Read the full file on GitHub · 164 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.

  1. yesterday First seen · 164 lines · 48 tokens per session scan A 8d81b053c5fd

Subscribe to this mod's changes

flutter-add-integration-test is a skill published in the GitHub repository flutter/agent-plugins (2,895 stars, last pushed 3d ago), licensed BSD-3-Clause. It adds 48 tokens to every session and 1,671 once invoked, about $0.0002 per session on Opus 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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