
sentry-react-sdk
Full Sentry SDK setup for React. Use when asked to "add Sentry to React", "install @sentry/react", or configure error monitoring, tracing, session replay, profiling, or logging for React applications. Supports React 16+, React Router v5-v7 non-framework mode, TanStack Router, Redux, Vite, and webpack.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/getsentry/sentry-for-ai --skill sentry-react-sdk- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads sentry-react-sdk automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
All Skills > SDK Setup > React SDK
Sentry React SDK
Opinionated wizard that scans your React project and guides you through complete Sentry setup.
Invoke This Skill When
- User asks to "add Sentry to React" or "set up Sentry" in a React app
- User wants error monitoring, tracing, session replay, profiling, or logging in React
- User mentions
@sentry/react, React Sentry SDK, or Sentry error boundaries - User wants to monitor React Router v5/v6/v7 non-framework navigation, Redux state, or component performance
If project is React Router Framework mode using @sentry/react-router, use sentry-react-router-framework-sdk instead of this skill.
Note: SDK versions and APIs below reflect current Sentry docs at time of writing (
@sentry/react≥8.0.0). Always verify against docs.sentry.io/platforms/javascript/guides/react/ before implementing.
Phase 1: Detect
Run these commands to understand the project before making any recommendations:
# Detect React version
cat package.json | grep -E '"react"|"react-dom"'
# Check for existing Sentry
cat package.json | grep '"@sentry/'
# Detect router and framework mode hints
cat package.json | grep -E '"react-router-dom"|"react-router"|"@react-router/"|"@tanstack/react-router"|"@sentry/react-router"'
# Detect state management
cat package.json | grep -E '"redux"|"@reduxjs/toolkit"'
# Detect build tool
ls vite.config.ts vite.config.js webpack.config.js craco.config.js 2>/dev/null
cat package.json | grep -E '"vite"|"react-scripts"|"webpack"'
# Detect logging libraries
cat package.json | grep -E '"pino"|"winston"|"loglevel"'
# Check for companion backend in adjacent directories
ls ../backend ../server ../api 2>/dev/null
cat ../go.mod ../requirements.txt ../Gemfile ../pom.xml 2>/dev/null | head -3
What to determine:
| Question | Impact |
|---|---|
| React 19+? | Use reactErrorHandler() hook pattern |
| React <19? | Use Sentry.ErrorBoundary |
@sentry/react already present? | Skip install, go straight to feature config |
React Router Framework mode indicators (@sentry/react-router, @react-router/*)? | Use sentry-react-router-framework-sdk |
react-router-dom v5 / v6 / v7? | Determines which router integration to use |
@tanstack/react-router? | Use tanstackRouterBrowserTracingIntegration() |
| Redux in use? | Recommend createReduxEnhancer() |
| Vite detected? | Source maps via sentryVitePlugin |
CRA (react-scripts)? | Source maps via @sentry/webpack-plugin in CRACO |
| Backend directory found? | Trigger Phase 4 cross-link suggestion |
Phase 2: Recommend
Present a concrete recommendation based on what you found. Don't ask open-ended questions — lead with a proposal:
Recommended (core coverage):
- ✅ Error Monitoring — always; captures unhandled errors, React error boundaries, React 19 hooks
- ✅ Tracing — React SPAs benefit from page load, navigation, and API call tracing
- ✅ Session Replay — recommended for user-facing apps; records sessions around errors
Optional (enhanced observability):
- ⚡ Logging — structured logs via
Sentry.logger.*; recommend when structured log search is needed - ⚡ Profiling — JS Self-Profiling API (⚠️ experimental; requires cross-origin isolation headers)
Recommendation logic:
| Feature | Recommend when... |
|---|---|
| Error Monitoring | Always — non-negotiable baseline |
| Tracing | Always for React SPAs — page load + navigation spans are high-value |
| Session Replay | User-facing app, login flows, or checkout pages |
| Logging | App needs structured log search or log-to-trace correlation |
| Profiling | Performance-critical app; server sends Document-Policy: js-profiling header |
React-specific extras:
- React 19 detected → set up
reactErrorHandler()oncreateRoot - React Router v5/v6/v7 non-framework detected → configure matching router integration (see Phase 3)
- React Router Framework mode detected → switch to
sentry-react-router-framework-sdk - Redux detected → add
createReduxEnhancer()to Redux store - Vite detected → configure
sentryVitePluginfor source maps (essential for readable stack traces)
Propose: "I recommend setting up Error Monitoring + Tracing + Session Replay. Want me to also add Logging or Profiling?"
Phase 3: Guide
Install
npm install @sentry/react --save
Create src/instrument.ts
Sentry must initialize before any other code runs. Put Sentry.init() in a dedicated sidecar file:
import * as Sentry from "@sentry/react";
Sentry.init({
dsn: import.meta.env.VITE_SENTRY_DSN, // Adjust per build tool (see table below)
environment: import.meta.env.MODE,
release: import.meta.env.VITE_APP_VERSION, // inject at build time
dataCollection: {
// To disable sending user data and HTTP bodies, uncomment the lines below. For more info visit:
// https://docs.sentry.io/platforms/javascript/guides/react/configuration/options/#dataCollection
// userInfo: false,
// httpBodies: [],
},
integrations: [
Sentry.browserTracingIntegration(),
Sentry.replayIntegration({
maskAllText: true,
blockAllMedia: true,
}),
],
// Tracing
tracesSampleRate: 1.0, // lower to 0.1–0.2 in production
tracePropagationTargets: ["localhost", /^https:\/\/yourapi\.io/],
// Session Replay
replaysSessionSampleRate: 0.1,
replaysOnErrorSampleRate: 1.0,
enableLogs: true,
});
DSN environment variable by build tool:
| Build Tool | Variable Name | Access in code |
|---|---|---|
| Vite | VITE_SENTRY_DSN | import.meta.env.VITE_SENTRY_DSN |
| Create React App | REACT_APP_SENTRY_DSN | process.env.REACT_APP_SENTRY_DSN |
| Custom webpack | SENTRY_DSN | process.env.SENTRY_DSN |
Entry Point Setup
Import instrument.ts as the very first import in your entry file:
// src/main.tsx (Vite) or src/index.tsx (CRA/webpack)
import "./instrument"; // ← MUST be first
import { StrictMode } from "react";
import { createRoot } from "react-dom/client";
import App from "./App";
createRoot(document.getElementById("root")!).render(
<StrictMode>
<App />
</StrictMode>
);
React Version-Specific Error Handling
React 19+ — use reactErrorHandler() on createRoot:
import { reactErrorHandler } from "@sentry/react";
createRoot(document.getElementById("root")!, {
onUncaughtError: reactErrorHandler(),
onCaughtError: reactErrorHandler(),
onRecoverableError: reactErrorHandler(),
}).render(<App />);
React <19 — wrap your app in Sentry.ErrorBoundary:
import * as Sentry from "@sentry/react";
createRoot(document.getElementById("root")!).render(
<Sentry.ErrorBoundary fallback={<p>Something went wrong</p>} showDialog>
<App />
</Sentry.ErrorBoundary>
);
Use <Sentry.ErrorBoundary> for any sub-tree that should catch errors independently (route sections, widgets, etc.).
Router Integration
Configure the matching integration for your router (non-framework mode):
| Router | Integration | Notes |
|---|---|---|
| React Router v7 | reactRouterV7BrowserTracingIntegration | useEffect, useLocation, useNavigationType, createRoutesFromChildren, matchRoutes from react-router |
| React Router v6 | reactRouterV6BrowserTracingIntegration | useEffect, useLocation, useNavigationType, createRoutesFromChildren, matchRoutes from react-router-dom |
| React Router v5 | reactRouterV5BrowserTracingIntegration | Wrap routes in withSentryRouting(Route) |
| TanStack Router | tanstackRouterBrowserTracingIntegration(router) | Pass router instance — no hooks required |
| No router / custom | browserTracingIntegration() | Names transactions by URL path |
React Router v6/v7 setup:
// in instrument.ts integrations array:
import React from "react";
import {
createRoutesFromChildren, matchRoutes,
useLocation, useNavigationType,
} from "react-router-dom"; // or "react-router" for v7
import * as Sentry from "@sentry/react";
import { reactRouterV6BrowserTracingIntegration } from "@sentry/react";
import { createBrowserRouter } from "react-router-dom";
// Option A — createBrowserRouter (recommended for v6.4+):
const sentryCreateBrowserRouter = Sentry.wrapCreateBrowserRouterV6(createBrowserRouter);
const router = sentryCreateBrowserRouter([...routes]);
// Option B — createBrowserRouter for React Router v7:
// const sentryCreateBrowserRouter = Sentry.wrapCreateBrowserRouterV7(createBrowserRouter);
// Option C — integration with hooks (v6 without data APIs):
Sentry.init({
integrations: [
reactRouterV6BrowserTracingIntegration({
useEffect: React.useEffect,
useLocation,
useNavigationType,
matchRoutes,
createRoutesFromChildren,
}),
],
});
TanStack Router setup:
import { tanstackRouterBrowserTracingIntegration } from "@sentry/react";
// Pass your TanStack router instance:
Sentry.init({
integrations: [tanstackRouterBrowserTracingIntegration(router)],
});
Redux Integration (when detected)
import * as Sentry from "@sentry/react";
import { configureStore } from "@reduxjs/toolkit";
const store = configureStore({
reducer: rootReducer,
enhancers: (getDefaultEnhancers) =>
getDefaultEnhancers().concat(Sentry.createReduxEnhancer()),
});
Source Maps Setup (strongly recommended)
Without source maps, stack traces show minified code. Set up the build plugin to upload source maps automatically:
Vite (vite.config.ts):
import { defineConfig } from "vite";
import react from "@vitejs/plugin-react";
import { sentryVitePlugin } from "@sentry/vite-plugin";
export default defineConfig({
build: { sourcemap: "hidden" },
plugins: [
react(),
sentryVitePlugin({
org: process.env.SENTRY_ORG,
project: process.env.SENTRY_PROJECT,
authToken: process.env.SENTRY_AUTH_TOKEN,
}),
],
});
Create React App (via CRACO):
npm install @craco/craco @sentry/webpack-plugin --save-dev
// craco.config.js
const { sentryWebpackPlugin } = require("@sentry/webpack-plugin");
module.exports = {
webpack: {
plugins: {
add: [
sentryWebpackPlugin({
org: process.env.SENTRY_ORG,
project: process.env.SENTRY_PROJECT,
authToken: process.env.SENTRY_AUTH_TOKEN,
}),
],
},
},
};
SENTRY_ORG / SENTRY_PROJECT / SENTRY_AUTH_TOKEN are build-time values; the auth token is a secret (never commit it). For creating the token and wiring it into CI, see sentry-source-maps.
For Each Agreed Feature
Walk through features one at a time. Load the reference file, follow its steps, verify before moving on:
| Feature | Reference | Load when... |
|---|---|---|
| Error Monitoring | ${SKILL_ROOT}/references/error-monitoring.md | Always (baseline) |
| Tracing | ${SKILL_ROOT}/references/tracing.md | SPA navigation / API call tracing |
| Session Replay | ${SKILL_ROOT}/references/session-replay.md | User-facing app |
| Logging | ${SKILL_ROOT}/references/logging.md | Structured log search / log-to-trace |
| Profiling | ${SKILL_ROOT}/references/profiling.md | Performance-critical app |
| React Features | ${SKILL_ROOT}/references/react-features.md | Redux, component tracking, source maps, integrations catalog |
For each feature: Read ${SKILL_ROOT}/references/<feature>.md, follow steps exactly, verify it works.
Configuration Reference
Key Sentry.init() Options
| Option | Type | Default | Notes |
|---|---|---|---|
dsn | string | — | Required. SDK disabled when empty |
environment | string | "production" | e.g., "staging", "development" |
release | string | — | e.g., "my-app@1.0.0" or git SHA — links errors to releases |
dataCollection | object | conservative unless set | Fine-grained control over auto-collected categories (userInfo, cookies, httpHeaders, httpBodies, queryParams, genAI). When omitted, the SDK falls back to sendDefaultPii (default false). Passing the object — even {} — flips unset categories to their permissive defaults; opt out per category. |
tracesSampleRate | number | — | 0–1; 1.0 in dev, 0.1–0.2 in prod |
tracesSampler | function | — | Per-transaction sampling; overrides rate |
tracePropagationTargets | (string|RegExp)[] | — | Outgoing URLs that receive distributed tracing headers |
replaysSessionSampleRate | number | — | Fraction of all sessions recorded |
replaysOnErrorSampleRate | number | — | Fraction of error sessions recorded |
enableLogs | boolean | false | Enable Sentry.logger.* API |
attachStacktrace | boolean | false | Stack traces on captureMessage() calls |
maxBreadcrumbs | number | 100 | Breadcrumbs stored per event |
debug | boolean | false | Verbose SDK output to console |
tunnel | string | — | Proxy URL to bypass ad blockers |
dataCollection Options (SDK ≥10.57.0)
Fine-grained control over what data the SDK collects. Collection is on by default (with sensitive-value scrubbing); opt out per category:
| Field | Type | Default | Notes |
|---|---|---|---|
userInfo | boolean | true | Collect user id, email, and IP |
cookies | boolean | { allow: string[] } | { deny: string[] } | true | Cookie collection and filtering; true = all cookies (sensitive keys filtered) |
httpHeaders.request | boolean | { allow: string[] } | { deny: string[] } | true | HTTP request header collection |
httpHeaders.response | boolean | { allow: string[] } | { deny: string[] } | true | HTTP response header collection |
queryParams | boolean | { allow: string[] } | { deny: string[] } | true | Query parameter collection and filtering |
httpBodies | HttpBodyCollectionTarget[] | ["incomingRequest", "outgoingRequest", "incomingResponse", "outgoingResponse"] | Collect request/response bodies; options: 'incomingRequest', 'outgoingRequest', 'incomingResponse', 'outgoingResponse' |
genAI.inputs | boolean | true | Record AI model inputs (for AI monitoring) |
genAI.outputs | boolean | true | Record AI model outputs (for AI monitoring) |
stackFrameVariables | boolean | true | Capture local variable values in stack frames |
frameContextLines | number | 5 | Source code context lines around stack frames |
Example: Allow only specific cookies and headers:
Sentry.init({
dataCollection: {
cookies: { allow: ['session', 'user_id'] },
httpHeaders: {
request: { allow: ['authorization', 'x-request-id'] },
response: { deny: ['set-cookie'] },
},
},
});
React Compatibility Matrix
| React Version | Error handling approach | SDK minimum |
|---|---|---|
| React 19+ | reactErrorHandler() on createRoot | @sentry/react ≥8.0.0 |
| React 16–18 | Sentry.ErrorBoundary component | @sentry/react ≥7.0.0 |
| React 16 | componentDidCatch class boundaries | @sentry/react ≥6.0.0 |
Verification
Trigger test events to confirm Sentry is receiving data:
// Add a temporary test button anywhere in your app
import * as Sentry from "@sentry/react";
function SentryTest() {
return (
<>
<button onClick={() => { throw new Error("Sentry React test error"); }}>
Test Error
</button>
<button onClick={() => Sentry.captureMessage("Sentry test message", "info")}>
Test Message
</button>
</>
);
}
Check the Sentry dashboard:
- Issues → error appears within seconds
- Traces → page load and navigation transactions visible
- Replays → session recording visible after page interaction
- Logs → structured log entries if logging enabled
Set debug: true in Sentry.init() and check the browser console if nothing appears.
Phase 4: Cross-Link
After completing React setup, check for a companion backend missing Sentry coverage:
ls ../backend ../server ../api ../go ../python 2>/dev/null
cat ../go.mod 2>/dev/null | head -3
cat ../requirements.txt ../pyproject.toml 2>/dev/null | head -3
cat ../Gemfile 2>/dev/null | head -3
cat ../pom.xml 2>/dev/null | grep '<artifactId>' | head -3
If a backend exists without Sentry configured, suggest the matching skill:
| Backend detected | Suggest skill |
|---|---|
Go (go.mod) | sentry-go-sdk |
Python (requirements.txt, pyproject.toml) | sentry-python-sdk |
Ruby (Gemfile) | sentry-ruby-sdk |
Java (pom.xml, build.gradle) | Use @sentry/java — see docs.sentry.io/platforms/java/ |
| Node.js (Express, Fastify) | Use @sentry/node — see docs.sentry.io/platforms/javascript/guides/express/ |
Troubleshooting
| Issue | Solution |
|---|---|
| Events not appearing | Set debug: true, check DSN, open browser console for SDK errors |
| Source maps not working | Build in production mode (npm run build); verify SENTRY_AUTH_TOKEN is set |
| Minified stack traces | Source maps not uploading — check plugin config and auth token |
instrument.ts not running first | Verify it's the first import in entry file before React/app imports |
| React 19 errors not captured | Confirm reactErrorHandler() is passed to all three createRoot options |
| React <19 errors not captured | Ensure <Sentry.ErrorBoundary> wraps the component tree |
Router transactions named <unknown> | Add router integration matching your router version |
tracePropagationTargets not matching | Check regex escaping; default is localhost and your DSN origin only |
| Session replay not recording | Confirm replayIntegration() is in init; check replaysSessionSampleRate |
| Redux actions not in breadcrumbs | Add Sentry.createReduxEnhancer() to store enhancers |
| Ad blockers dropping events | Set tunnel: "/sentry-tunnel" and add server-side relay endpoint |
| High replay storage costs | Lower replaysSessionSampleRate; keep replaysOnErrorSampleRate: 1.0 |
| Profiling not working | Verify Document-Policy: js-profiling header is set on document responses |
FAQ
What does the sentry-react-sdk skill do?
Full Sentry SDK setup for React. Use when asked to "add Sentry to React", "install @sentry/react", or configure error monitoring, tracing, session replay, profiling, or logging for React applications. Supports React 16+, React Router v5-v7 non-framework mode, TanStack Router, Redux, Vite, and webpack.
How do I install sentry-react-sdk?
Run npx skills add https://github.com/getsentry/sentry-for-ai --skill sentry-react-sdk in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/sentry-react-sdk/ (personal) or .claude/skills/sentry-react-sdk/ (project).
Which AI agents can use sentry-react-sdk?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is sentry-react-sdk safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains sentry-react-sdk?
It is published by getsentry in getsentry/sentry-for-ai, and it is an official skill from the maker of the technology it covers. It has 3,140 recorded installs.
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