React Native Best Practices
vercel-labs/openreview
A prioritized rule set for React Native and Expo apps covering list performance, animation, navigation, UI patterns, state, rendering, monorepos and configuration.
Check the health of published EAS Update: crash rates, install/launch counts, unique users, payload size, and the split between embedded and OTA users per channel.
$ npx skills add expo/skills --skill eas-update-insights -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install expo/skills eas-update-insights --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/expo/skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/expo/skills/eas-update-insights .claude/skills/eas-update-insights && rm -rf skills-srcUse ~/.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/
Install the "eas-update-insights" agent skill from https://github.com/expo/skills/tree/main/plugins/expo/skills/eas-update-insights into .claude/skills/eas-update-insights/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "eas-update-insights", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/expo/skills/tree/main/plugins/expo/skills/eas-update-insightsType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add expo/skills --skill eas-update-insights -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install expo/skills eas-update-insights --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/expo/skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/plugins/expo/skills/eas-update-insights .agents/skills/eas-update-insights && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "eas-update-insights" agent skill from https://github.com/expo/skills/tree/main/plugins/expo/skills/eas-update-insights into .agents/skills/eas-update-insights/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "eas-update-insights", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add expo/skills --skill eas-update-insights -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install expo/skills eas-update-insights --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/expo/skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/plugins/expo/skills/eas-update-insights .cursor/skills/eas-update-insights && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "eas-update-insights" agent skill from https://github.com/expo/skills/tree/main/plugins/expo/skills/eas-update-insights into .cursor/skills/eas-update-insights/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "eas-update-insights", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/expo/skills.git --path plugins/expo/skills/eas-update-insights--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add expo/skills --skill eas-update-insights -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install expo/skills eas-update-insights --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/expo/skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/plugins/expo/skills/eas-update-insights .gemini/skills/eas-update-insights && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "eas-update-insights" agent skill from https://github.com/expo/skills/tree/main/plugins/expo/skills/eas-update-insights into .gemini/skills/eas-update-insights/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "eas-update-insights", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install expo/skills eas-update-insightsInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add expo/skills --skill eas-update-insights -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/expo/skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/plugins/expo/skills/eas-update-insights .github/skills/eas-update-insights && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "eas-update-insights" agent skill from https://github.com/expo/skills/tree/main/plugins/expo/skills/eas-update-insights into .github/skills/eas-update-insights/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "eas-update-insights", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add expo/skills --skill eas-update-insights -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install expo/skills eas-update-insights --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/expo/skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/plugins/expo/skills/eas-update-insights .opencode/skills/eas-update-insights && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "eas-update-insights" agent skill from https://github.com/expo/skills/tree/main/plugins/expo/skills/eas-update-insights into .opencode/skills/eas-update-insights/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "eas-update-insights", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
eas-update-insightsCheck the health of published EAS Update: crash rates, install/launch counts, unique users, payload size, and the split between embedded and OTA users per channel.
Eas Update Insights is an agent skill from expo/skills, published by the product's own GitHub organization. Check the health of published EAS Update: crash rates, install/launch counts, unique users, payload size, and the split between embedded and OTA users per channel. Use when the user asks how an update is performing, whether a rollout is healthy, how many users are on the embedded build vs OTA, or wants to gate CI on update health.
Its SKILL.md is about 3.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 5 other files, including reference files (for example `agents/openai.yaml`, `references/channel-insights-schema.md` and `references/update-insights-schema.md`).
It sits in Mobile. It works with Expo. The repository describes itself as: A collection of AI agent skills for working with Expo projects and Expo Application Services. The licence is MIT.
Read from SKILL.md and the folder at commit d4f4840. It shows what the files ask for, not the result of running them.
Pre-approves these tools, so the agent can use them without asking each time:
Bash(eas *)From allowed-tools in the SKILL.md frontmatter.
Shell commands in SKILL.md call:
easjqnpmnpxFrom the folder's file list and the shell code blocks in SKILL.md.
Links to these hosts (documentation or services it may open):
expo.devFrom URLs in SKILL.md, links to its own repository left out.
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Eas Update Insights loads about 3.1k tokens when it runs, and up to ~4.3k if it reads all its reference files. Until then it costs about 88 tokens; SKILL.md has 1,286 words of instructions outside code blocks.
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.
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.
The full file from expo/skills at commit d4f4840, republished under its MIT licence (© expo). 1,286 words, ~3,058 tokens.
.claude/skills/eas-update-insights/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.EAS service - costs apply. Insights cover updates published through EAS Update, a paid Expo Application Services product with free-tier limits. Update delivery and the data behind these commands count against your plan's EAS Update usage. Review https://expo.dev/pricing.
Query the health of published EAS Update directly from the CLI: launches, failed launches, crash rates, unique users, payload size, the embedded-vs-OTA user split per channel, and the most popular updates per runtime version. The data is the same data that powers the update and channel detail pages on expo.dev; these commands expose it in the terminal in human and JSON form.
Use this when the user wants to assess the health or adoption of a published EAS Update: crash rates, install counts, unique users, bundle size, or the split between embedded and OTA users on a channel.
Example prompts:
Also fits: post-publish rollout monitoring and regression detection.
Don't use when the user needs per-user crash detail or device-level reporting; this skill only exposes aggregate EAS metrics.
eas-cli installed (npm install -g eas-cli).eas login.channel:insights: run from an Expo project directory (the command resolves the project ID from app.json). update:insights only needs a login.| Command | Purpose |
|---|---|
eas update:list | Discover recent update groups, their group IDs, and branch names |
eas update:insights <groupId> | Per-platform launches, failed launches, crash rate, unique users, payload size, daily breakdown |
eas update:view <groupId> --insights | Update group details + the same metrics appended |
eas channel:insights --channel <name> --runtime-version <version> | Embedded/OTA user counts, most popular updates, cumulative metrics for a channel + runtime |
All of these support --json --non-interactive for programmatic parsing.
Before querying insights for an update group, you need its group ID. Use eas update:list with either --branch <name> (updates on that branch) or --all (updates across all branches). Always pass --json --non-interactive when running non-interactively; without a branch/--all flag the command will otherwise prompt for a branch selection:
# Latest group id across all branches
eas update:list --all --json --non-interactive | jq -r '.currentPage[0].group'
# Latest group id on a specific branch
eas update:list --branch production --json --non-interactive | jq -r '.currentPage[0].group'The JSON response has a currentPage array with one entry per update group (both platforms of the same publish are collapsed into one entry):
{
"currentPage": [
{
"branch": "production",
"message": "\"Fix checkout crash\" (1 week ago by someone)",
"runtimeVersion": "1.0.6",
"group": "03d5dfcf-736c-475a-8730-af039c3f4d06",
"platforms": "android, ios",
"isRollBackToEmbedded": false
}
]
}Entries also carry codeSigningKey and rolloutPercentage, but only when those features are in use for the group (undefined values are omitted from the JSON output).
When called with --branch <name>, the response also includes name (the branch name) and id (the branch ID) at the top level.
eas update:insights <groupId>Shows launches, failed launches, crash rate, unique users, launch asset count, and average payload size for a single update group, broken down per platform (iOS, Android), plus a daily breakdown of launches and failures.
eas update:insights 03d5dfcf-736c-475a-8730-af039c3f4d06| Flag | Description |
|---|---|
--days <N> | Look back N days. Default: 7. Mutually exclusive with --start/--end. |
--start <iso-date> / --end <iso-date> | Explicit time range, e.g. --start 2026-04-01 --end 2026-04-15. |
--platform <ios|android> | Filter to a single platform. Omit to see all platforms in the group. |
--json | Machine-readable output. Implies --non-interactive. |
--non-interactive | Required when scripting. |
Top level: groupId, timespan (start, end, daysBack), and platforms[] with one entry per platform the group was published to. Each platform entry has updateId, totals (uniqueUsers, installs, failedInstalls, crashRatePercent), payload (launchAssetCount, averageUpdatePayloadBytes), and a daily[] time series of { date, installs, failedInstalls }.
For the complete schema and field reference, see references/update-insights-schema.md.
Fields that matter for health assessment:
platforms[].totals.crashRatePercent, computed as failedInstalls / (installs + failedInstalls) * 100. Zero when there are no installs.platforms[].totals.installs and uniqueUsers give the adoption signal.platforms[].daily is a time series, useful for spotting a sudden spike in failures.Could not find any updates with group ID: "<id>" — group doesn't exist or you lack access.Update group "<id>" has no ios update (available platforms: android) — --platform ios was used but the group wasn't published for iOS.EAS Update insights is not supported by this version of eas-cli. Please upgrade ... — the server deprecated a field the CLI relies on. Run npm install -g eas-cli@latest.eas update:view <groupId> --insightsExtends the standard update:view output with the same per-platform insights, inline.
# Human-readable
eas update:view 03d5dfcf-... --insights
eas update:view 03d5dfcf-... --insights --days 30
# JSON: wrapped as { updates: [...], insights: {...} }
eas update:view 03d5dfcf-... --json --insightsWithout --insights, update:view behaves exactly as before — no JSON shape change for existing consumers. The --days / --start / --end flags only apply when --insights is set; passing them alone errors.
eas channel:insights --channel <name> --runtime-version <version>Shows, per channel, how many users are on the embedded build vs over-the-air updates and which updates are pulling the most traffic. Must be run from an Expo project directory.
eas channel:insights --channel production --runtime-version 1.0.6| Flag | Description |
|---|---|
--channel <name> | Required. The channel name (e.g. production, staging). |
--runtime-version <version> | Required. Match exactly what was published. Check runtimeVersion values in update:list. |
--days <N> | Look back N days. Default: 7. |
--start / --end | Explicit time range, like update:insights. |
--json / --non-interactive | Machine-readable output. |
Top level: channel, runtimeVersion, timespan, embeddedUpdateTotalUniqueUsers, otaTotalUniqueUsers, mostPopularUpdates[] (each with rank, groupId, message, platform, totalUniqueUsers), cumulativeMetricsAtLastTimestamp[], plus chart-shaped uniqueUsersOverTime and cumulativeMetricsOverTime objects with labels and datasets.
For the complete schema and field reference, see references/channel-insights-schema.md.
Fields that matter:
embeddedUpdateTotalUniqueUsers is the count of users running the embedded (binary-bundled) build.mostPopularUpdates[] is updates ranked by totalUniqueUsers. Caveat: this is the top-N the server returns; otaTotalUniqueUsers is a sum of that list and may undercount total OTA reach if more than top-N updates are active.uniqueUsersOverTime and cumulativeMetricsOverTime are daily data series for charting.Could not find channel with the name <name> — typo or wrong account.mostPopularUpdates in JSON — no OTA update has been launched for that channel + runtime yet. Usually means the channel is still serving the embedded build only.# 1. Grab the latest publish on production
GROUP_ID=$(eas update:list --branch production --json --non-interactive \
| jq -r '.currentPage[0].group')
# 2. Give it some adoption time (minutes to hours), then check crash rate
eas update:insights "$GROUP_ID" --json --non-interactive \
| jq '.platforms[] | {platform, installs: .totals.installs, crashRate: .totals.crashRatePercent}'Compare the crashRate across platforms and against previous releases; sudden spikes or asymmetric behaviour (iOS spiking while Android is flat, or vice versa) is the signal to investigate.
for channel in production staging; do
echo "--- $channel ---"
eas channel:insights --channel "$channel" --runtime-version 1.0.6 --json --non-interactive \
| jq '{
channel,
embedded: .embeddedUpdateTotalUniqueUsers,
ota: .otaTotalUniqueUsers,
topUpdate: .mostPopularUpdates[0]
}'
doneeas update:insights "$GROUP_ID" --days 1 --json --non-interactive \
| jq '.platforms[] | select(.totals.crashRatePercent > 1)'eas update:view "$GROUP_ID" --insights --days 30Human-readable group details plus 30 days of launches/failures per platform — suitable for pasting into a changelog or incident review.
jq; payloads are structured for easy filtering.--json implies --non-interactive, but passing both is explicit and scripting-friendly.daily[].date are UTC ISO timestamps; the human-readable table renders them as YYYY-MM-DD (UTC).installs / failedInstalls. Same field, different display name.otaTotalUniqueUsers in channel insights, which is a sum over mostPopularUpdates.installs / "Launches" field counts users who downloaded the manifest and launch asset. A confirmed run only registers on the user's next update check (typically up to 24h later, depending on the app's update policy). So metrics lag the real-world state slightly.failedInstalls / "Crashes" counts updates that errored during install/launch and were reported on the next update check. Crashes that don't trigger an update request (e.g. process kill before recovery) won't appear.If you encounter errors, misleading or outdated information in this skill, report it so Expo can improve:
npx --yes submit-expo-feedback@latest --category skills --subject "eas-update-insights" "<actionable feedback>"Only submit when you have something specific and actionable to report. Include as much relevant context as possible. If an AI agent repeatedly failed or the user had to take over an Expo task, load the expo-skill-feedback skill and follow its eval-candidate flow instead of reusing the command above.
© expo, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
SKILL.md and 3 other files (references) in plugins/expo/skills/eas-update-insights of expo/skills.
Open the folder on GitHubat commit d4f4840
We found 8 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 4 other GitHub owners. This page covers the copy in expo/skills, which our catalogue first saw on October 7, 2026.
Eas Update Insights 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Eas Update Insights this skillexpo/skills | 2.7k | 4 repos | ~3.1k | Automated safety check: Pass | MIT | |
| React Native Best Practicesvercel-labs/openreview | 1.7k | 17 repos | ~1.1k | Automated safety check: Pass | MIT | |
| ThemingCode-with-Beto/skills | 140 | — | ~2.5k | Automated safety check: Pass | None | |
| Expo Playground Patternsbpinheiroms/dotfiles | 108 | — | ~9.3k | Automated safety check: Pass | None | |
| UniwindCherryHQ/cherry-studio-app | 4k | — | ~20k | Automated safety check: Warn | AGPL-3.0 | |
| React Native Experttech-leads-club/agent-skills | 7k | — | ~3.2k | Automated safety check: Pass | CC-BY-4.0 |
vercel-labs/openreview
A prioritized rule set for React Native and Expo apps covering list performance, animation, navigation, UI patterns, state, rendering, monorepos and configuration.
Code-with-Beto/skills
Scaffold a unified, cross-platform color theme system into an Expo Router app.
bpinheiroms/dotfiles
Comprehensive UI/animation patterns reference from expo-playground.
CherryHQ/cherry-studio-app
Uniwind — Tailwind CSS v4 styling for React Native. An agent skill from CherryHQ/cherry-studio-app.
tech-leads-club/agent-skills
Guides React Native and Expo work for cross-platform apps: Expo Router navigation, fast lists, Reanimated animation, platform-specific code and project structure.
sickn33/agentic-awesome-skills
Curated upstream guidance for Eas Observe; use when the workflow matches the user goal.
expo/skills
Helps understand and write EAS workflow YAML files for Expo projects.
expo/skills
Add an iOS App Clip target to an Expo app. An agent skill from expo/skills.
expo/skills
Evaluate Expo skills in this repo end-to-end - trigger accuracy, generated code quality, and runtime screenshots on iOS simulator and Android emulator via Expo Go (web optional).
expo/skills
Submit feedback on an Expo skill—or Expo itself—and control bundled anonymous usage telemetry (off by default / opt-in).
expo/skills
Guide for creating and writing Expo native modules and views using the Expo Modules API (Swift, Kotlin, TypeScript).
expo/skills
Guidelines for upgrading Expo SDK versions and fixing dependency issues
Works with
Categories
Check the health of published EAS Update: crash rates, install/launch counts, unique users, payload size, and the split between embedded and OTA users per channel. Eas Update Insights is an agent skill from expo/skills, published by the product's own GitHub organization. Check the health of published EAS Update: crash rates, install/launch counts, unique users, payload size, and the split between embedded and OTA users per channel.
Eas Update Insights fits situations like: the user asks how an update is performing; whether a rollout is healthy; how many users are on the embedded build vs OTA; wants to gate CI on update health.
Run `npx skills add expo/skills --skill eas-update-insights -a claude-code`. Or copy the skill folder (plugins/expo/skills/eas-update-insights in expo/skills) into .claude/skills/eas-update-insights in your project. Claude Code loads it when a task matches its description.
Run `npx skills add expo/skills --skill eas-update-insights -a codex`. Or copy the skill folder (plugins/expo/skills/eas-update-insights in expo/skills) into .agents/skills/eas-update-insights in your project. Codex loads it when a task matches its description.
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add expo/skills --skill eas-update-insights -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/eas-update-insights, .gemini/skills/eas-update-insights, .github/skills/eas-update-insights and .opencode/skills/eas-update-insights in your project.
Going by SKILL.md and its folder, Eas Update Insights needs the command-line tools its instructions call (eas, jq, npm and npx). Our summary lists: Node.js. Its frontmatter pre-approves these tools: Bash(eas *).
SKILL.md names 1 domain. As links in the text: expo.dev. This is read from the text; nothing was executed.
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.
Eas Update Insights is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.
About 3.1k tokens (SKILL.md is roughly 12k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 1.2k tokens, read only when the agent opens those files.
Skills that share tags, products or a category with Eas Update Insights: React Native Best Practices (vercel-labs/openreview, 1.7k stars), Theming (Code-with-Beto/skills, 140 stars), Expo Playground Patterns (bpinheiroms/dotfiles, 108 stars) and Uniwind (CherryHQ/cherry-studio-app, 4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
expo (a GitHub organization, an official publisher) maintains it in expo/skills, which has 2,685 GitHub stars. The repository holds 26 skills in this directory. The repository was last updated on October 7, 2026.
Source: expo/skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.