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flutter-xcodegen-ios-firebase-crashlytics

flutter-xcodegen-ios-firebase-crashlytics is a skill for Claude Code, Codex from eaglesakura/agent-skills. It costs 119 tokens per session (637 once invoked), scanned A, original, MIT.

A setup for adding Firebase Crashlytics to a Flutter iOS project managed by XcodeGen. Crashlytics collects crash reports, while the added build step uploads the symbol files needed to read those reports.

In plain words
What is it for?
Use it to add the FirebaseCrashlytics package and a post-build symbol-upload step to project.yml. It covers the iOS side, not Dart symbol uploads or Android.
Why use it?
It connects Crashlytics to the generated iOS project and accounts for the different file locations used by Flutter builds and Xcode. It assumes Firebase and its configuration files are already set up.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

not rated 2repo 1mo ago A scan 119 tokens original MIT

Good fit Use it to add the FirebaseCrashlytics package and a post-build symbol-upload step to project.yml. It covers the iOS side, not Dart symbol uploads or Android.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/eaglesakura/agent-skills/flutter-xcodegen-ios-firebase-crashlytics
View source ↗ eaglesakura/agent-skills
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.

Any agent
npx skills add eaglesakura/agent-skills --skill flutter-xcodegen-ios-firebase-crashlytics
Clone the repo
git clone --depth 1 https://github.com/eaglesakura/agent-skills

Made for: Claude Code, Codex.

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-xcodegen-ios-firebase-crashlytics

README.md
[![agentmods](https://agentmods.dev/badge/skills/eaglesakura/agent-skills/flutter-xcodegen-ios-firebase-crashlytics/github.svg)](https://agentmods.dev/skills/eaglesakura/agent-skills/flutter-xcodegen-ios-firebase-crashlytics)
Your own site
<a href="https://agentmods.dev/skills/eaglesakura/agent-skills/flutter-xcodegen-ios-firebase-crashlytics"><img src="https://agentmods.dev/badge/skills/eaglesakura/agent-skills/flutter-xcodegen-ios-firebase-crashlytics/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.

agentmods 80×15 button for flutter-xcodegen-ios-firebase-crashlytics

Your own site · 80×15
<a href="https://agentmods.dev/skills/eaglesakura/agent-skills/flutter-xcodegen-ios-firebase-crashlytics"><img src="https://agentmods.dev/badge/skills/eaglesakura/agent-skills/flutter-xcodegen-ios-firebase-crashlytics.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 119 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 637 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00119 $0.00637
Opus 5.5 $0.00048 $0.00255
Sonnet 5.5 $0.00024 $0.00127
Haiku 4.5 $0.00012 $0.00064

Measured 2mo ago against content hash 73262b913a2c, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

flutter-xcodegen-ios-firebase-crashlytics 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 2mo ago.

The scan reads SKILL.md. This mod also ships 1 executable file (assets/xcodegen/scripts/preBuildFirebaseCrashlyticsRun.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

packages/flutter/.apm/skills/flutter-xcodegen-ios-firebase-crashlytics/SKILL.md · 40 lines

What it actually says

Flutter iOS / XcodeGen + Firebase Crashlytics

flutter-xcodegen-ios-firebase 済みの project.yml に、Crashlytics のリンクとシンボルアップロード Phase を足す。

前提

  • firebase-ios-sdk が packages にある
  • 各 Configuration に GoogleService-Info.plist があり、pre-build でバンドルへ入る
  • Upload Phase の input にバンドル内 plist と dSYM が含まれる（テンプレどおり）

作業手順

  1. assets/project.yml.crashlytics-fragment.yml を読む
  2. assets/xcodegen/scripts/preBuildFirebaseCrashlyticsRun.sh を ios/xcodegen/scripts/ へ配置し、実行ビットを付ける
  3. targets.Runner.dependencies に FirebaseCrashlytics product を追加する
  4. postBuildScripts に Crashlytics Upload Phase を追加する（Thin Binary の後でよい）。script はインラインではなく ${PROJECT_DIR}/xcodegen/scripts/preBuildFirebaseCrashlyticsRun.sh を指す
  5. xcodegen を再実行する

注意

  • basedOnDependencyAnalysis: false を付け、入力ファイル一覧をテンプレから落とさない
  • GoogleService-Info がバンドルに無いとアップロードが失敗しやすい → firebase SKILL 側を先に直す
  • Crashlytics run の配置先はビルド経路で異なる
    • flutter build / flutter ipa: build/ios/SourcePackages/checkouts/firebase-ios-sdk/Crashlytics/run
    • Xcode IDE: DerivedData 配下の SourcePackages/checkouts/.../Crashlytics/run
    • ${BUILD_DIR%/Build/*}/SourcePackages/... のみだと Flutter CLI アーカイブで No such file or directory になり得る。同梱スクリプトは両方を探索する

関連

  • flutter-xcodegen-ios-firebase
  • flutter-xcodegen-ios
Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 2mo ago First seen · 40 lines · 119 tokens per session scan A 73262b913a2c

Subscribe to this mod's changes

flutter-xcodegen-ios-firebase-crashlytics is a skill published in the GitHub repository eaglesakura/agent-skills (2 stars, last pushed 1mo ago), licensed MIT. It adds 119 tokens to every session and 637 once invoked, about $0.0005 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 2026-08-31.

DebuggingMobile
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