Code Guidelines
getsentry/sentry-react-native
Enforce Sentry React Native SDK code guidelines for implementation, refactoring, and review.
Generates protocol-based error/crash monitoring with swappable providers (Sentry, Crashlytics).
Install Error Monitoring
$ npx skills add gustavscirulis/snapgrid --skill error-monitoring -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install gustavscirulis/snapgrid error-monitoring --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/gustavscirulis/snapgrid.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/skills/generators/error-monitoring .claude/skills/error-monitoring && 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 "error-monitoring" agent skill from https://github.com/gustavscirulis/snapgrid/tree/main/.claude/skills/skills/generators/error-monitoring into .claude/skills/error-monitoring/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "error-monitoring", 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/gustavscirulis/snapgrid/tree/main/.claude/skills/skills/generators/error-monitoringType 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 gustavscirulis/snapgrid --skill error-monitoring -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install gustavscirulis/snapgrid error-monitoring --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/gustavscirulis/snapgrid.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/skills/generators/error-monitoring .agents/skills/error-monitoring && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "error-monitoring" agent skill from https://github.com/gustavscirulis/snapgrid/tree/main/.claude/skills/skills/generators/error-monitoring into .agents/skills/error-monitoring/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "error-monitoring", 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 gustavscirulis/snapgrid --skill error-monitoring -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install gustavscirulis/snapgrid error-monitoring --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/gustavscirulis/snapgrid.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/skills/generators/error-monitoring .cursor/skills/error-monitoring && 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 "error-monitoring" agent skill from https://github.com/gustavscirulis/snapgrid/tree/main/.claude/skills/skills/generators/error-monitoring into .cursor/skills/error-monitoring/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "error-monitoring", 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/gustavscirulis/snapgrid.git --path .claude/skills/skills/generators/error-monitoring--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 gustavscirulis/snapgrid --skill error-monitoring -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install gustavscirulis/snapgrid error-monitoring --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/gustavscirulis/snapgrid.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/skills/generators/error-monitoring .gemini/skills/error-monitoring && 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 "error-monitoring" agent skill from https://github.com/gustavscirulis/snapgrid/tree/main/.claude/skills/skills/generators/error-monitoring into .gemini/skills/error-monitoring/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "error-monitoring", 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 gustavscirulis/snapgrid error-monitoringInstalls 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 gustavscirulis/snapgrid --skill error-monitoring -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/gustavscirulis/snapgrid.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/skills/generators/error-monitoring .github/skills/error-monitoring && 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 "error-monitoring" agent skill from https://github.com/gustavscirulis/snapgrid/tree/main/.claude/skills/skills/generators/error-monitoring into .github/skills/error-monitoring/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "error-monitoring", 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 gustavscirulis/snapgrid --skill error-monitoring -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install gustavscirulis/snapgrid error-monitoring --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/gustavscirulis/snapgrid.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/skills/generators/error-monitoring .opencode/skills/error-monitoring && 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 "error-monitoring" agent skill from https://github.com/gustavscirulis/snapgrid/tree/main/.claude/skills/skills/generators/error-monitoring into .opencode/skills/error-monitoring/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "error-monitoring", 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.
Facts
- Skill name
error-monitoring- GitHub stars
- 116
- Used in
- 1 other repo
- Token cost
- ~2k tokens
- SKILL.md length
- 446 words
- Files
- 7
- Skills in repo
- 118
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
Generates protocol-based error/crash monitoring with swappable providers (Sentry, Crashlytics).
- Works in 6 steps: Project Context Detection → Conflict Detection → Create Core Files → …
- User wants to add crash reporting
- SKILL.md covers When This Skill Activates, Pre-Generation Checks (CRITICAL), Configuration Questions and Generation Process, plus 6 more sections
- Runs Swift scripts from its folder; calls rg; reaches github.com
What it does
Error Monitoring is an agent skill from gustavscirulis/snapgrid. Generates protocol-based error/crash monitoring with swappable providers (Sentry, Crashlytics). Use when user wants to add crash reporting, error tracking, or production monitoring.
Its SKILL.md is about 2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 7 other files (for example `error-monitoring-patterns.md`).
It sits in Legal & Compliance. It works with Sentry and Firebase. The repository describes itself as: SnapGrid is an open-source Mac app for collecting, organizing, and analyzing UI screenshots. It uses AI to automatically detect UI components and patterns, making it a powerful…
When your agent uses it
- User wants to add crash reporting
- Production monitoring
Example prompts
- “Use the error-monitoring skill to generate protocol-based error/crash monitoring with swappable providers (Sentry, Crashlytics)”
- “/error-monitoring”
Requirements
- Pre-approved tools (allowed-tools): Read, Write, Edit, Glob, Grep, Bash, AskUserQuestion
Workflow steps
6 steps, taken from the step headings in SKILL.md.
- Project Context Detection
- Conflict Detection
- Create Core Files
- Read Templates
- Customize for Project
- Integration
What it can do on your machine
Read from SKILL.md and the folder at commit eb7eaf4. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves these tools, so the agent can use them without asking each time:
ReadWriteEditGlobGrepBashAskUserQuestion
From allowed-tools in the SKILL.md frontmatter.
Runs code
Ships script files (Swift), which the agent can run.
Shell commands in SKILL.md call:
rg
From the folder's file list and the shell code blocks in SKILL.md.
Network
Hosts in commands or code, which the agent is likely to contact:
github.com
Also links to:
sentry.ioconsole.firebase.google.comdocs.sentry.iofirebase.google.comdeveloper.apple.com
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
Error Monitoring loads about 2k tokens when it runs. Until then it costs about 50 tokens; SKILL.md has 446 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.
Safety
Auto-check: notes
The automated check noted patterns worth knowing about, such as sudo or a known installer.
- NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
allowed-tools: Read, Write, Edit, Glob, Grep, Bash, AskUserQuestion
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
Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 446 words (~2,019 tokens).
“Generates a production-ready error monitoring infrastructure with protocol-based architecture for easy provider swapping.”
- name
- error-monitoring
- allowed-tools
- Read, Write, Edit, Glob, Grep, Bash, AskUserQuestion
Files
SKILL.md and 6 other files in .claude/skills/skills/generators/error-monitoring of gustavscirulis/snapgrid.
- SKILL.md
- error-monitoring-patterns.md
- templates/CrashlyticsErrorMonitoring.swift
- templates/ErrorContext.swift
- templates/ErrorMonitoringService.swift
- templates/NoOpErrorMonitoring.swift
- templates/SentryErrorMonitoring.swift
Open the folder on GitHubat commit eb7eaf4
Used in 1 other repository
We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in gustavscirulis/snapgrid, which our catalogue first saw on October 7, 2026.
Compare with similar skills
Error Monitoring 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 |
|---|---|---|---|---|---|---|
| Error Monitoring this skillgustavscirulis/snapgrid | 116 | 1 repos | ~2k | Automated safety check: Notes | Custom licence | |
| Code Guidelinesgetsentry/sentry-react-native | 1.8k | — | ~3.2k | Automated safety check: Pass | MIT | |
| Code Guidelinesgetsentry/sentry-dart | 873 | — | ~2.2k | Automated safety check: Pass | MIT | |
| Git Worktree Setupk8zdev/k8z | 155 | — | ~930 | Automated safety check: Pass | None | |
| Web3authWeb3Auth/web3auth-examples | 144 | — | ~1.4k | Automated safety check: Pass | MIT | |
| Triage CrashesMartinStyk/apk-analyzer | 370 | — | ~4.3k | Automated safety check: Pass | GPL-3.0 |
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Code Guidelines
getsentry/sentry-dart
Enforce Sentry Dart/Flutter SDK code guidelines for implementation, refactoring, and review.
Git Worktree Setup
k8zdev/k8z
Automate git worktree creation and copy private files (not tracked in git) to new workdirs.
Web3auth
Web3Auth/web3auth-examples
Integrates MetaMask Embedded Wallets (Web3Auth) for non-custodial wallets via social login or custom JWT (Firebase, Auth0, Cognito).
Triage Crashes
MartinStyk/apk-analyzer
A skill your agent uses to review production Crashlytics crashes and non-fatals for the latest release and file a GitHub issue for each one that isn't tracked yet.
Setup React Native Bundle Discovery
retyui/react-native-bundle-discovery
Install ONLY the react-native-bundle-discovery package and wire it into a React Native project so a bundle report is generated when the BUNDLEANALYZER env var is set.
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Related
Categories
Questions about Error Monitoring
What does Error Monitoring do?
Generates protocol-based error/crash monitoring with swappable providers (Sentry, Crashlytics). Error Monitoring is an agent skill from gustavscirulis/snapgrid. Generates protocol-based error/crash monitoring with swappable providers (Sentry, Crashlytics).
When should I use Error Monitoring?
Error Monitoring fits situations like: user wants to add crash reporting; production monitoring.
How do I install Error Monitoring in Claude Code?
Run `npx skills add gustavscirulis/snapgrid --skill error-monitoring -a claude-code`. Or copy the skill folder (.claude/skills/skills/generators/error-monitoring in gustavscirulis/snapgrid) into .claude/skills/error-monitoring in your project. Claude Code loads it when a task matches its description.
How do I install Error Monitoring in Codex?
Run `npx skills add gustavscirulis/snapgrid --skill error-monitoring -a codex`. Or copy the skill folder (.claude/skills/skills/generators/error-monitoring in gustavscirulis/snapgrid) into .agents/skills/error-monitoring in your project. Codex loads it when a task matches its description.
Can I use Error Monitoring 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 gustavscirulis/snapgrid --skill error-monitoring -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/error-monitoring, .gemini/skills/error-monitoring, .github/skills/error-monitoring and .opencode/skills/error-monitoring in your project.
What does Error Monitoring need to run?
Going by SKILL.md and its folder, Error Monitoring needs Swift for the scripts in its folder and the command-line tools its instructions call (rg). Its frontmatter pre-approves these tools: Read, Write, Edit, Glob, Grep, Bash, AskUserQuestion.
Does Error Monitoring access the network?
SKILL.md names 6 domains. In commands or code: github.com; the agent is likely to contact it when it follows the instructions. As links in the text: sentry.io, console.firebase.google.com, docs.sentry.io, firebase.google.com and developer.apple.com. This is read from the text; nothing was executed.
Is Error Monitoring safe to install?
Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.
What licence does Error Monitoring use?
Error Monitoring has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.
How many tokens does Error Monitoring use?
About 2k tokens (SKILL.md is roughly 8.1k 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 Error Monitoring?
Skills that share tags, products or a category with Error Monitoring: Code Guidelines (getsentry/sentry-react-native, 1.8k stars), Code Guidelines (getsentry/sentry-dart, 873 stars), Git Worktree Setup (k8zdev/k8z, 155 stars) and Web3auth (Web3Auth/web3auth-examples, 144 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Error Monitoring?
gustavscirulis (a GitHub user) maintains it in gustavscirulis/snapgrid, which has 116 GitHub stars. The repository holds 118 skills in this directory. The repository was last updated on April 30, 2026.
Source: gustavscirulis/snapgrid on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.