What is flutter-xcodegen-ios-firebase?

A setup for adding Firebase to a Flutter iOS project whose Xcode project is generated from a project.yml file. It connects the Firebase iOS SDK and places the correct GoogleService-Info.plist configuration into each build configuration.

Use it to add Firebase through Swift Package Manager, configure per-configuration GoogleService-Info.plist files, add a pre-build copy step, and regenerate the Xcode project with XcodeGen.

It keeps Firebase settings aligned across configurations such as development and production. The required Firebase files are not invented when they have not been provided.

flutter-xcodegen-ios-firebase — Skill for Claude Code and Codex by eaglesakura: A setup for adding Firebase to a Flutter iOS…

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/eaglesakura/agent-skills/flutter-xcodegen-ios-firebase

Any agent

npx skills add eaglesakura/agent-skills --skill flutter-xcodegen-ios-firebase

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/eaglesakura/agent-skills/flutter-xcodegen-ios-firebase.svg)](https://agentmods.dev/skills/eaglesakura/agent-skills/flutter-xcodegen-ios-firebase)

Your own site

<a href="https://agentmods.dev/skills/eaglesakura/agent-skills/flutter-xcodegen-ios-firebase"><img src="https://agentmods.dev/badge/skills/eaglesakura/agent-skills/flutter-xcodegen-ios-firebase.svg" alt="Measured on agentmods" height="20"></a>

Per session 142 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 679 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.

Model	Per session	Once invoked
Fable 5.1	$0.00142	$0.00679
Opus 5	$0.00071	$0.00340
Sonnet 5	$0.00028	$0.00136
Haiku 4.5	$0.00014	$0.00068

Measured 5d ago against content hash 84c56ce6efc4, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

flutter-xcodegen-ios-firebase 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 5d ago.

The scan reads SKILL.md. This mod also ships 2 executable files (assets/xcodegen/scripts/preBuildInstallGoogleServiceInfoPlist.sh, evals/files/xcodegen-base-ios/xcodegen/scripts/postGenCommand.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/SKILL.md · 44 lines

What it actually says

Flutter iOS / XcodeGen + Firebase

flutter-xcodegen-ios で整えた ios/ に、Firebase iOS SDK（SPM）と Configuration 別 GoogleService-Info.plist を載せる。

前提

flutter-xcodegen-ios 済み（project.yml / Configurations/ / xcodegen/ がある）
各 Xcode Configuration 名に対応する Firebase アプリの GoogleService-Info.plist をユーザーが用意できること

plist の中身や Firebase project の対応が指示に無い場合は、配置パスだけ用意し、実ファイルはユーザー提供を待つ（推測で中身を捏造しない）。

作業手順

references/google-service-info.md を読む
assets/xcodegen/scripts/preBuildInstallGoogleServiceInfoPlist.sh を ios/xcodegen/scripts/ へコピーし実行権限を付ける
各 Configuration ディレクトリに GoogleService-Info.plist を置く
例: Configurations/Debug-development/GoogleService-Info.plist
assets/project.yml.firebase-fragment.yml に従い project.yml を更新する
- packages に firebase-ios-sdk と googleappmeasurement
- バージョンは確認して埋める（推測しない）
- preBuildScripts に Install GoogleService-Info を追加
- CoreGraphics.framework 依存は残す（SPM 解決失敗対策）
xcodegen を再実行する

単一 plist の場合

Configuration が複数でも Firebase プロジェクトが1つなら、同じ plist を各 Configurations/<Configuration>/ にコピーしてよい。スクリプトは常に ${CONFIGURATION} 配下を見る。

What ships with it

23 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.

5d ago First seen · 44 lines · 142 tokens per session scan A 84c56ce6efc4

Subscribe to this mod's changes

flutter-xcodegen-ios-firebase is a skill published in the GitHub repository eaglesakura/agent-skills (2 stars, last pushed today), licensed MIT. It adds 142 tokens to every session and 679 once invoked, about $0.0007 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 2026-08-31.

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flutter-xcodegen-ios-firebase