flutter-demo-diagnose

flutter-demo-diagnose is an agent for Claude Code from timzaak/web-dev-skills. It costs 22 tokens per session (244 once invoked), scanned A, original, Apache-2.0.

A read-only diagnostic workflow for failed Patrol tests in Flutter, a toolkit for testing Flutter apps. It assigns one main cause category and writes an evidence-based report.

In plain words
What is it for?
Investigating a failed Flutter demo test, tracing the failure to its likely source, and identifying the smallest repair entry point.
Why use it?
It separates test-data, Flutter code, backend or authentication, and environment problems without changing code or restarting services.

Agent for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the t-tools plugin — 28 skills, 31 agents shipped together

Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add timzaak/web-dev-skills
Claude Code
/plugin install t-tools

Made for: Claude Code.

Or install t-tools, the plugin that ships this one along with the rest of its 28 skills, 31 agents.

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.

agentmods badge for flutter-demo-diagnose

README.md
[![agentmods](https://agentmods.dev/badge/agents/timzaak/web-dev-skills/flutter-demo-diagnose.svg)](https://agentmods.dev/agents/timzaak/web-dev-skills/flutter-demo-diagnose)
Your own site
<a href="https://agentmods.dev/agents/timzaak/web-dev-skills/flutter-demo-diagnose"><img src="https://agentmods.dev/badge/agents/timzaak/web-dev-skills/flutter-demo-diagnose.svg" alt="Measured on agentmods" height="20"></a>
Per session 22 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 244 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 5.1 $0.00022 $0.00244
Opus 5 $0.00011 $0.00122
Sonnet 5 $0.00004 $0.00049
Haiku 4.5 $0.00002 $0.00024

Measured 6d ago against content hash 69ec9e71b249, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

flutter-demo-diagnose 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 6d 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/flutter-demo-diagnose.md · 27 lines

What it actually says

Flutter Demo Diagnose

报告结构和共享分类遵循 ${CLAUDE_PLUGIN_ROOT}/protocols/diagnostic-report-contract.md,并固定 runtime: flutter

输入 testFilerunId,读取:

  • patrol_test/test-results/runs/<runId>/patrol-output.log
  • 失败测试、相关 Flutter 实现和用户故事
  • 项目环境日志(存在时)

输出 .ai/diagnose/<test-stem>-<timestamp>.md,只选择一个主分类:

problem_code recommended_agent
TEST / DATA flutter-demo-dev
FLUTTER / NATIVE flutter-dev
BACKEND / AUTH backend-dev
ENV manual

报告包含失败事实、唯一归因、证据链、最小修复入口、影响文件和整文件重跑命令。只写诊断报告,不修改代码、不重启环境。

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. 6d ago First seen · 27 lines · 22 tokens per session scan A 69ec9e71b249

Subscribe to this mod's changes

flutter-demo-diagnose is an agent published in the GitHub repository timzaak/web-dev-skills (69 stars, last pushed yesterday), licensed Apache-2.0. It adds 22 tokens to every session and 244 once invoked, about $0.0001 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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