sim-use: Skill for Claude Code

.agents/skills/bump-version-dev/SKILL.md

bump-version-dev is a skill for Claude Code, Codex from lycorp-jp/sim-use. It costs 111 tokens per session (1,010 once invoked), scanned A, original, Apache-2.0.

A development release workflow that builds a release-like sim-use application and installs it locally for testing. It produces an Android app package and command-line tool without publishing them.

In plain words
What is it for?
Use it to prepare a local release candidate, test the Android app and CLI, or restore the previous local installation.
Why use it?
It lets developers check a release build on their machines before publishing. It also checks required build tools and handles version selection, staging, and local installation.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions CLAUDE.md; installed under .agents/ (shared by several agents).

This is lycorp-jp/sim-use's own configuration. It tells Claude Code and Codex how to work on sim-use itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything sim-use configures →

About the project

lycorp-jp/sim-use is a command-line tool that lets AI agents observe and control iOS simulators, Android emulators, and devices through accessibility information and input actions. It helps agents test mobile applications by reading compact screen descriptions and interacting with named elements, while the catalogue skills and instructions teach agents how to use those capabilities.

lycorp-jp/sim-use · 1,532 stars · on GitHub

Reuse

Borrowing it

Nothing to install: this file belongs to lycorp-jp/sim-use. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/lycorp-jp/sim-use/main/.agents/skills/bump-version-dev/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/lycorp-jp/sim-use

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 bump-version-dev

README.md
[![agentmods](https://agentmods.dev/badge/skills/lycorp-jp/sim-use/bump-version-dev/github.svg)](https://agentmods.dev/skills/lycorp-jp/sim-use/bump-version-dev)
Your own site
<a href="https://agentmods.dev/skills/lycorp-jp/sim-use/bump-version-dev"><img src="https://agentmods.dev/badge/skills/lycorp-jp/sim-use/bump-version-dev/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 bump-version-dev

Your own site · 80×15
<a href="https://agentmods.dev/skills/lycorp-jp/sim-use/bump-version-dev"><img src="https://agentmods.dev/badge/skills/lycorp-jp/sim-use/bump-version-dev.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 111 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,010 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00111 $0.01010
Opus 5.5 $0.00044 $0.00404
Sonnet 5.5 $0.00022 $0.00202
Haiku 4.5 $0.00011 $0.00101

Measured 2mo ago against content hash 8d0a4840be87, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

bump-version-dev 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.

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/skills/bump-version-dev/SKILL.md · 93 lines

How it starts

The opening of the file, as written. The whole thing — 93 lines — stays where its author put it; the contents beside it link to each section on GitHub.

This skill builds and locally installs a release-shaped sim-use binary so the user can validate it before publishing. It delegates the heavy lifting to scripts/dev-install.sh and handles version determination + user confirmation.

Run from the sim-use repo root (git rev-parse --show-toplevel).

Restore flow

If the user passes restore as an argument (e.g. /bump-version-dev restore), skip everything and run:

scripts/dev-install.sh --restore

Report success or failure and stop.

Step 1: Pre-flight

Run these checks. Abort with a clear error if any fails.

  1. Current directory is the sim-use repo root.
  2. build_products/Frameworks/ exists. If missing, tell the user to run scripts/build.sh dev (~30 min). Do NOT run it automatically.
  3. Android bridge toolchain: scripts/build-bridge.sh --check succeeds. If not, surface the missing tool.

Unlike /release, this skill does NOT require:

  • Clean working tree (local modifications are fine — this is a dev build)
  • GitHub auth
  • Homebrew tap clone
  • Codesign identity or notary profile

Step 2: Determine the next version

  1. Find the latest sim-use tag: git tag --list 'v*' --sort=-v:refname | head -1.
  2. If a prior tag exists, read commits since it: git log <last-tag>..HEAD --pretty=format:'%h %s'.
  3. Pick bump type from conventional commit prefixes:
    • feat!: / BREAKING CHANGE → major
    • feat: → minor
    • Only fix: / chore: / docs: / refactor: / test: → patch
  4. Compute the next version.

If the user specified a version (e.g. /bump-version-dev 0.9.1), use that verbatim instead of auto-bumping.

Step 3: Confirm with the user

Show:

  • The current tag and the target version.
  • The commit list since the last tag (one line each).
  • What will happen: "Build APK + CLI as vX.Y.Z, stage, ad-hoc sign, and replace the PATH binary."

Ask: "Build and install vX.Y.Z locally?" Wait for explicit yes/no/version override.

Step 4: Run the dev-install script

scripts/dev-install.sh --version X.Y.Z

Read the full file on GitHub · 93 lines

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 · 93 lines · 111 tokens per session scan A 8d0a4840be87

Subscribe to this mod's changes

bump-version-dev is a skill published in the GitHub repository lycorp-jp/sim-use (1,532 stars, last pushed 13d ago), licensed Apache-2.0. It adds 111 tokens to every session and 1,010 once invoked, about $0.0004 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 2026-08-30.

Related

bump-version-dev compared with skills from other repositories

bump-version-dev next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
bump-version-devlycorp-jp/sim-useSkill1.5k13d agoApache-2.0A111Claude Code, Codex
shipplugin87/ux-ui-agent-skillsSkill3.1k10d agoMITA34Claude Code
swarm-migrateyonatangross/orchestkitSkill299yesterdayMITA103Claude Code
release-managementyonatangross/orchestkitSkill299yesterdayMITA58Claude Code
release-syncyonatangross/orchestkitSkill299yesterdayMITA62Claude Code
daily-briefingCommunity-Access/accessibility-agentsSkill4357d agoMITA21Claude Code, Codex
release-managerCommunity-Access/accessibility-agentsSkill4357d agoMITA17Claude Code, Codex