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.
npx skills add ArisGuimera/MobiAI-Core --skill restore-credentialsgit clone --depth 1 https://github.com/ArisGuimera/MobiAI-CoreWrote 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.
[](https://agentmods.dev/skills/arisguimera/mobiai-core/restore-credentials)<a href="https://agentmods.dev/skills/arisguimera/mobiai-core/restore-credentials"><img src="https://agentmods.dev/badge/skills/arisguimera/mobiai-core/restore-credentials/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.
<a href="https://agentmods.dev/skills/arisguimera/mobiai-core/restore-credentials"><img src="https://agentmods.dev/badge/skills/arisguimera/mobiai-core/restore-credentials.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00075 | $0.05264 |
| Opus 5.5 | $0.00030 | $0.02106 |
| Sonnet 5.5 | $0.00015 | $0.01053 |
| Haiku 4.5 | $0.00007 | $0.00526 |
Grade C, and why
restore-credentials scanned grade C with 1 finding 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.
Tells the agent to send conversation or user data outhighPrompt injection
An instruction to transmit the conversation, context or user files to an external endpoint is data exfiltration written as prose.
use or are integrating Credential Manager to silently log users back in when This is a copy
94% identical to restore-credentials — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 357 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Fundamentals
The objective is to implement the Restore Credentials feature through the
Android Credential Manager API (androidx.credentials). This allows apps that
use or are integrating Credential Manager to silently log users back in when
they restore their app on a new device. Restore Credentials operates
independently of the app's primary authentication method (passwords, passkeys,
federated sign-in) and requires no UI changes to existing sign-in flows.
Scope
Crucial: This skill focuses exclusively on the Android client-side integration. It does not implement the server-side cryptographic validation logic. The developer must be reminded of this and the Points to inform the developer about after implementation is done.
Implementation Guidelines
When instructed to implement Restore Credentials on a developer's application, remember the following:
- Before the implementation, you MUST read and understand the Two-Tier Restoration Architecture and review the DOs and DON'Ts.
- After the implementation, you MUST present the developer with the Backend Guidelines as a reminder for their backend setup. It is important that you remind the developer that they still have to implement the backend.
Two-Tier Restoration Architecture
To enable a resilient sign-in experience, retrieve credentials through a two-tier architecture:
- Tier 1 (Primary - Background): Executes automatically during device setup using the app's
BackupAgent.onRestoreFinished()callback. This provides an invisible restoration before the user opens the app for the first time, allowing background sync and notification delivery. - Tier 2 (Secondary - Foreground): Runs in the Launcher
Activity.onCreate()to catch failovers if background restoration didn't complete (example: dropped network, delayed restoration) or ifallowBackupis disabled.
What ships with it
3 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.
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.
- yesterday First seen · 357 lines · 75 tokens per session scan C e1fefb897e1f
restore-credentials is a skill published in the GitHub repository ArisGuimera/MobiAI-Core (489 stars, last pushed yesterday), licensed MIT. It adds 75 tokens to every session and 5,264 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it C with 1 finding (tells the agent to send conversation or user data out). It is 94% identical to restore-credentials, differing in 0 lines, and is treated as a copy.
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