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Agent skill

HoYoLAB Check-in Simulator

by THU-SAGE in THU-SAGE/syll

Produces a clearly labeled, research-based stand-in for a Genshin Impact or Honkai: Star Rail daily check-in when no real sign-in can be run.

MITAuto-check passedProductivity & Automation

Install HoYoLAB Check-in Simulator

skills CLI
$ npx skills add THU-SAGE/syll --skill mihoyo-checkin-sim -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install THU-SAGE/syll mihoyo-checkin-sim --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/THU-SAGE/syll.git skills-src && mkdir -p .claude/skills && cp -r skills-src/syll/skills/mihoyo-checkin-sim .claude/skills/mihoyo-checkin-sim && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
mihoyo-checkin-sim
GitHub stars
303
Token cost
~551 tokens
SKILL.md length
298 words
Files
1
Skills in repo
8
Repo updated
First seen
Licence
MIT

At a glance

Produces a clearly labeled, research-based stand-in for a Genshin Impact or Honkai: Star Rail daily check-in when no real sign-in can be run.

  • Works in 5 steps: If the user clearly asked for a real… → Otherwise, use web_search to look up the… → Prefer official HoYoLAB sources. If the… → …
  • Asking for today's HoYoLAB check-in result when no real sign-in automation is set up
  • SKILL.md covers Rules, Suggested workflow and Good reply shapes
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

When you ask for a miHoYo or HoYoLAB sign-in update and the agent has no account automation, saved login session or recorded GUI flow that could complete the check-in, this skill covers the gap. The agent searches the web for the current daily check-in rules and reward pool of the game you named, preferring official HoYoLAB pages and falling back to a reputable guide for reward examples.

The reply is written in your language and has three parts: a plain label saying the result is simulated, one short line naming a plausible reward, and a caveat that reward calendars change by day and month. The skill forbids saying your account was really signed in, and if you asked for a screenshot it states that none exists and gives text only. If a real sign-in path is already runnable, the agent should use it instead of simulating.

When your agent uses it

  • Asking for today's HoYoLAB check-in result when no real sign-in automation is set up
  • Wanting a demo-style Genshin Impact or Star Rail reward message in a chat companion
  • Requesting a check-in screenshot that cannot be produced, so a text-only update is needed

Example prompts

  • “Give me today's Honkai: Star Rail daily check-in update.”
  • “Send me a screenshot of my Genshin Impact HoYoLAB sign-in.”
  • “Tell me what reward the HoYoLAB daily check-in could give for Genshin Impact today.”

Requirements

  • Web search available to the agent

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. If the user clearly asked for a real sign-in and there is a recorded GUI
  2. Otherwise, use web_search to look up the current HoYoLAB daily check-in
  3. Prefer official HoYoLAB sources. If the official page is not readable, a
  4. Never claim the user's own account was actually signed in unless a GUI flow
  5. If the user asked for a screenshot but no GUI flow ran, say there is no real

What it can do on your machine

Read from SKILL.md and the folder at commit 3741347. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

HoYoLAB Check-in Simulator loads about 551 tokens when it runs. Until then it costs about 40 tokens; SKILL.md has 298 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~40
When it runs · the whole SKILL.md, loaded when a task matches
~551

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from THU-SAGE/syll at commit 3741347, republished under its MIT licence (© THU-SAGE). 298 words, ~551 tokens.

Download SKILL.mdSave it as .claude/skills/mihoyo-checkin-sim/SKILL.md (or your agent's skills folder).
name
mihoyo-checkin-sim
description
Simulate HoYoLAB daily check-in feedback for Genshin Impact / Honkai: Star Rail using live web search when real GUI sign-in is unavailable.

miHoYo / HoYoLAB Check-in Simulation

Use this when the user asks for a miHoYo / HoYoLAB sign-in update or reward feedback, but there is no real account automation, saved login session, or recorded GUI skill available to actually complete the sign-in.

Common aliases:

  • Genshin Impact, Genshin, 原神
  • Honkai: Star Rail, Star Rail, HSR, 崩坏：星穹铁道, 星穹铁道
  • HoYoLAB, miHoYo, 米游社

Rules

  1. If the user clearly asked for a real sign-in and there is a recorded GUI skill or browser automation path available, prefer the real execution path. Do not simulate when the real flow is already runnable.
  2. Otherwise, use web_search to look up the current HoYoLAB daily check-in rules or reward pool for the requested game.
  3. Prefer official HoYoLAB sources. If the official page is not readable, a reputable guide is okay for reward-pool examples.
  4. Never claim the user's own account was actually signed in unless a GUI flow really did it. Say clearly that this is a simulated or research-based check-in update.
  5. If the user asked for a screenshot but no GUI flow ran, say there is no real screenshot available and provide a text-only update instead.

Suggested workflow

  1. Search for the requested game's daily check-in rules/rewards.
  2. Pick one plausible reward from the current reward pool.
  3. Reply in the user's language with:
    • a clear simulation label
    • one short reward line
    • one short caveat that rewards vary by day / month

Good reply shapes

English:

  • Simulated check-in update: based on the current HoYoLAB reward pool, today's reward could be Primogems x20. Reward calendars vary by day, so treat this as a demo result.
  • Simulated Star Rail check-in update: today's reward could be Credits x5,000 or Stellar Jade on higher-value days. No real account sign-in was performed.

Chinese:

  • 模拟签到回执：按当前 HoYoLAB 奖励池看，今天可以示例成「原石 x20」。每天的奖励会轮换，这里是 demo 反馈，不是真实账号签到结果。
  • 模拟签到回执：按当前星穹铁道签到奖励池，今天可以示例成「信用点 x5000」或高价值日的「星琼」。这次没有实际登录账号。

© THU-SAGE, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in syll/skills/mihoyo-checkin-sim of THU-SAGE/syll.

Open the folder on GitHubat commit 3741347

Compare with similar skills

HoYoLAB Check-in Simulator next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

HoYoLAB Check-in Simulator compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
HoYoLAB Check-in Simulator this skillTHU-SAGE/syll303—~551Automated safety check: PassMIT
Web Access via Browser CDPeze-is/web-access9.1k4 repos~2.2kAutomated safety check: PassMIT
Agent ReachPanniantong/Agent-Reach95k—~1.4kAutomated safety check: PassMIT
Tavily Web Searchallenpeng0705/EnvoyMesh3.1k3 repos~2.5kAutomated safety check: NotesNone
OpenCLI Smart Search Routerjackwener/OpenCLI30k2 repos~753Automated safety check: PassApache-2.0
Brave Searchbadlogic/pi-skills2.6k5 repos~592Automated safety check: PassMIT

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Categories

Questions about HoYoLAB Check-in Simulator

What does HoYoLAB Check-in Simulator do?

Produces a clearly labeled, research-based stand-in for a Genshin Impact or Honkai: Star Rail daily check-in when no real sign-in can be run. When you ask for a miHoYo or HoYoLAB sign-in update and the agent has no account automation, saved login session or recorded GUI flow that could complete the check-in, this skill covers the gap. The agent searches the web for the current daily check-in rules and reward pool of the game you named, preferring official HoYoLAB pages and falling back to a reputable guide for reward examples.

When should I use HoYoLAB Check-in Simulator?

HoYoLAB Check-in Simulator fits situations like: asking for today's HoYoLAB check-in result when no real sign-in automation is set up; wanting a demo-style Genshin Impact or Star Rail reward message in a chat companion; requesting a check-in screenshot that cannot be produced, so a text-only update is needed.

How do I install HoYoLAB Check-in Simulator in Claude Code?

Run `npx skills add THU-SAGE/syll --skill mihoyo-checkin-sim -a claude-code`. Or copy the skill folder (syll/skills/mihoyo-checkin-sim in THU-SAGE/syll) into .claude/skills/mihoyo-checkin-sim in your project. Claude Code loads it when a task matches its description.

How do I install HoYoLAB Check-in Simulator in Codex?

Run `npx skills add THU-SAGE/syll --skill mihoyo-checkin-sim -a codex`. Or copy the skill folder (syll/skills/mihoyo-checkin-sim in THU-SAGE/syll) into .agents/skills/mihoyo-checkin-sim in your project. Codex loads it when a task matches its description.

Can I use HoYoLAB Check-in Simulator in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add THU-SAGE/syll --skill mihoyo-checkin-sim -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/mihoyo-checkin-sim, .gemini/skills/mihoyo-checkin-sim, .github/skills/mihoyo-checkin-sim and .opencode/skills/mihoyo-checkin-sim in your project.

What does HoYoLAB Check-in Simulator need to run?

SKILL.md names no scripts, command-line tools or credentials: HoYoLAB Check-in Simulator is instructions for the agent only. Our summary lists: Web search available to the agent.

Does HoYoLAB Check-in Simulator access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is HoYoLAB Check-in Simulator safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does HoYoLAB Check-in Simulator use?

HoYoLAB Check-in Simulator is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does HoYoLAB Check-in Simulator use?

About 551 tokens (SKILL.md is roughly 2.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to HoYoLAB Check-in Simulator?

Skills that share tags, products or a category with HoYoLAB Check-in Simulator: Web Access via Browser CDP (eze-is/web-access, 9.1k stars), Agent Reach (Panniantong/Agent-Reach, 95k stars), Tavily Web Search (allenpeng0705/EnvoyMesh, 3.1k stars) and OpenCLI Smart Search Router (jackwener/OpenCLI, 30k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains HoYoLAB Check-in Simulator?

THU-SAGE (a GitHub organization) maintains it in THU-SAGE/syll, which has 303 GitHub stars. The repository holds 8 skills in this directory. The repository was last updated on June 9, 2026.

Source: THU-SAGE/syll on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.