{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"react-developer-tools","slug":"react-developer-tools","name":"React Developer Tools","type":"extension","url":"https://chromewebstore.google.com/detail/react-developer-tools/fmkadmapgofadopljbjfkapdkoienihi","page_url":"https://unfragile.ai/react-developer-tools","categories":["browser-extensions"],"tags":[],"pricing":{"model":"free","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"react-developer-tools__cap_0","uri":"capability://code.generation.editing.react.component.tree.inspection.and.navigation","name":"react component tree inspection and navigation","description":"Renders a hierarchical tree view of React components on the inspected page, enabling developers to traverse the component ancestry through breadcrumb navigation and click-to-select interactions. The extension hooks into React's internal fiber architecture to reconstruct and display the component tree in a dedicated DevTools sidebar tab, providing real-time synchronization with the page's component state.","intents":["I need to understand the component hierarchy of a React application I'm debugging","I want to quickly navigate to a specific component in the tree without manually inspecting DOM elements","I need to see how parent and child components are nested in a complex application"],"best_for":["React developers debugging component structure in development and production environments","Teams building complex React applications with deeply nested component hierarchies","Developers unfamiliar with a codebase who need to understand component relationships"],"limitations":["Only works on pages where React library is loaded and accessible to the extension","Cannot inspect React components rendered in cross-origin iframes due to browser sandbox restrictions","Performance degrades with extremely large component trees (1000+ components) due to DOM rendering overhead","Does not show components from React libraries that use non-standard rendering patterns or custom fiber implementations"],"requires":["Chrome browser (version compatible with extension API v3+)","React library (any version) loaded on the inspected page","React Developer Tools extension installed and enabled"],"input_types":["React component tree (accessed via React's internal fiber structure)"],"output_types":["hierarchical tree view in DevTools UI","component metadata (name, key, props, state)"],"categories":["code-generation-editing","developer-tools"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"react-developer-tools__cap_1","uri":"capability://code.generation.editing.real.time.props.and.state.inspection.and.editing","name":"real-time props and state inspection and editing","description":"Displays current props and state values for selected React components in an editable panel, allowing developers to modify values in real-time and observe component re-renders immediately. The extension intercepts React's state update mechanisms and provides a UI for mutating component state without modifying source code, enabling rapid iteration during debugging.","intents":["I need to see what props and state values a component currently has during execution","I want to test how a component behaves with different prop values without reloading the page","I need to modify component state to trigger specific UI states for visual debugging"],"best_for":["React developers testing component behavior with different state/prop combinations","QA engineers reproducing specific component states without code changes","Designers and developers collaborating on UI states without rebuilding the application"],"limitations":["State mutations via DevTools do not persist across page reloads (changes are ephemeral)","Cannot edit props directly on components (props are read-only by design); only state can be modified","Complex nested objects and arrays in state may have limited editing UI (flat key-value editing only)","Mutations bypass component lifecycle methods and validation logic, potentially creating invalid states","Does not work with components using external state management (Redux, Zustand, etc.) unless those libraries provide DevTools integration"],"requires":["Chrome browser with React Developer Tools extension","React application with functional or class components","Component must have accessible state (useState, this.state, or equivalent)"],"input_types":["component state object (JSON-serializable values)","component props object (read-only inspection)"],"output_types":["formatted key-value pairs in DevTools UI","state mutations applied to component instance"],"categories":["code-generation-editing","developer-tools"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"react-developer-tools__cap_10","uri":"capability://code.generation.editing.component.tree.export.and.snapshot.capture","name":"component tree export and snapshot capture","description":"Allows developers to export the current component tree structure and state as a JSON snapshot, enabling them to save and compare component states across different debugging sessions. The export includes component names, props, state, and hierarchy information.","intents":["I want to save a snapshot of the component tree for later comparison","I need to export component state for debugging or documentation purposes","I want to compare component trees from different debugging sessions to identify changes"],"best_for":["React developers debugging complex state changes and needing to compare snapshots","Teams documenting component state for testing or debugging purposes","Developers investigating state-related bugs that are difficult to reproduce"],"limitations":["Exported snapshots are static and do not include real-time updates; they represent a single point in time","Snapshots cannot be imported back into the DevTools to restore component state","Large component trees may produce very large JSON files that are difficult to compare manually","Sensitive data in component state (API keys, passwords, etc.) is included in the export without filtering"],"requires":["Chrome browser with React Developer Tools extension","React application with rendered components","Components tab open in DevTools"],"input_types":["component tree (names, props, state, hierarchy)"],"output_types":["JSON file containing component tree snapshot","downloadable export file"],"categories":["code-generation-editing","developer-tools"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"react-developer-tools__cap_2","uri":"capability://code.generation.editing.component.selection.via.click.to.inspect","name":"component selection via click-to-inspect","description":"Enables developers to click on any element in the rendered page to automatically select and highlight the corresponding React component in the DevTools tree. The extension injects a click-handler overlay that maps DOM elements back to their React component sources, providing instant component identification without manual tree navigation.","intents":["I want to quickly identify which React component is rendering a specific UI element","I need to select a component by clicking on it in the page rather than searching the component tree","I want to inspect a component's props and state by clicking on its rendered output"],"best_for":["React developers debugging UI issues by identifying the component responsible for a visual element","Teams working on large applications where manual tree navigation is time-consuming","Developers unfamiliar with component structure who need to map UI elements to components"],"limitations":["Click-to-inspect mode must be explicitly activated (toggle button in DevTools); it is not always active to avoid interfering with page interactions","Cannot select components that are not directly rendered to the DOM (e.g., components that only manage state or render null)","Overlay click-handler may conflict with page event handlers if the page uses event capturing or stopPropagation aggressively","Does not work on elements inside iframes or shadow DOM due to browser sandbox restrictions"],"requires":["Chrome browser with React Developer Tools extension","React application with rendered components","Click-to-inspect mode activated in DevTools UI"],"input_types":["DOM element (via click event on rendered page)"],"output_types":["selected component in DevTools tree","component props and state displayed in inspection panel"],"categories":["code-generation-editing","developer-tools"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"react-developer-tools__cap_3","uri":"capability://code.generation.editing.bidirectional.dom.to.react.component.mapping","name":"bidirectional dom-to-react component mapping","description":"Synchronizes selection between the browser's Elements tab (DOM inspector) and the React Components tab, allowing developers to select a DOM element in Elements and automatically highlight the corresponding React component in the Components tree. This integration bridges DOM-level and component-level debugging, enabling developers to switch between inspection modes without losing context.","intents":["I want to inspect a DOM element in the Elements tab and immediately see its React component","I need to understand how a React component maps to the DOM structure it renders","I want to switch between DOM and component-level debugging without manually re-selecting elements"],"best_for":["React developers debugging styling and layout issues that require both DOM and component inspection","Teams transitioning from DOM-based debugging to component-based debugging","Developers who need to understand the relationship between React components and rendered HTML"],"limitations":["Mapping is one-to-one only; components that render multiple DOM elements will select the root element only","Does not work for components that render fragments or multiple root elements (React 16.2+) without additional context","Synchronization may lag if the component tree is very large or the page is under heavy load","Cannot map DOM elements to components in shadow DOM or cross-origin iframes"],"requires":["Chrome browser with React Developer Tools extension","React application with rendered components","Both Elements tab and React Components tab open in DevTools"],"input_types":["DOM element selected in Elements tab","React component selected in Components tab"],"output_types":["highlighted component in Components tree","highlighted DOM element in Elements tab"],"categories":["code-generation-editing","developer-tools"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"react-developer-tools__cap_4","uri":"capability://code.generation.editing.component.performance.profiling.and.re.render.tracking","name":"component performance profiling and re-render tracking","description":"Records component render times, re-render frequency, and performance metrics in a dedicated Profiler tab, allowing developers to identify performance bottlenecks and unnecessary re-renders. The extension instruments React's render lifecycle to capture timing data for each component, displaying results in a timeline view with filtering and sorting capabilities.","intents":["I need to identify which components are rendering slowly or too frequently","I want to measure the performance impact of a specific component or state change","I need to find unnecessary re-renders that are degrading application performance"],"best_for":["React developers optimizing application performance and identifying render bottlenecks","Teams building performance-critical applications (e.g., real-time dashboards, data visualization)","Developers using React.memo, useMemo, or useCallback who need to verify optimization effectiveness"],"limitations":["Profiling adds significant overhead (estimated 10-50% slowdown) and should not be used to measure production performance","Profiler data is cleared on page reload; recordings cannot be persisted or exported for later analysis","Does not provide source code line-level profiling; only component-level metrics are available","Cannot profile components in production builds without source maps and additional configuration","Profiler does not track external state management (Redux, Zustand) re-renders unless those libraries provide integration"],"requires":["Chrome browser with React Developer Tools extension","React application running in development mode (profiling is disabled in production builds)","Profiler tab open in DevTools"],"input_types":["component render events (captured during recording session)"],"output_types":["timeline view of render events","component render times (milliseconds)","re-render frequency and reasons","performance metrics (flame graph, ranked list)"],"categories":["code-generation-editing","developer-tools"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"react-developer-tools__cap_5","uri":"capability://code.generation.editing.component.source.code.location.tracking","name":"component source code location tracking","description":"Displays the source file path and line number for each React component, enabling developers to jump directly to the component's source code in their editor. The extension uses React's source location metadata (available in development builds) to map components to their source files, providing a bridge between DevTools inspection and code editing.","intents":["I want to quickly navigate to a component's source code from the DevTools inspector","I need to find where a component is defined in my codebase","I want to jump from a component in DevTools to my editor without manually searching for the file"],"best_for":["React developers working with large codebases where manual source file location is time-consuming","Teams using VS Code or other editors with DevTools integration","Developers debugging unfamiliar components and needing to understand their implementation"],"limitations":["Source location metadata is only available in development builds; production builds do not include this information","Source maps must be available and correctly configured for accurate file path resolution","Does not work with dynamically generated components or components created via higher-order functions without explicit source location hints","Jump-to-editor functionality requires manual editor integration (e.g., VS Code extension) and is not built into the DevTools extension itself","Source location may be inaccurate for components created via factory functions or wrapped with multiple higher-order components"],"requires":["Chrome browser with React Developer Tools extension","React application running in development mode with source location metadata","Source maps or source location hints in the build output"],"input_types":["component metadata (source file path, line number)"],"output_types":["source file path and line number displayed in DevTools UI","link to source code (if editor integration is available)"],"categories":["code-generation-editing","developer-tools"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"react-developer-tools__cap_6","uri":"capability://code.generation.editing.component.search.and.filtering.by.name","name":"component search and filtering by name","description":"Provides a search box in the Components tab that filters the component tree by component name, enabling developers to quickly locate specific components without manually navigating the entire hierarchy. The search uses substring matching and highlights matching components in the tree view.","intents":["I need to find a specific component in a large component tree without manually expanding all nodes","I want to quickly locate all instances of a component with a particular name","I need to filter the component tree to focus on a subset of components"],"best_for":["React developers working with large applications with deep component hierarchies","Teams debugging specific components in complex applications","Developers unfamiliar with component naming conventions who need to search by name"],"limitations":["Search only matches component names, not props, state, or other metadata","Substring matching may return many results for generic component names (e.g., 'Button', 'Container')","Search does not support regex or advanced query syntax; only simple substring matching is available","Search results are not ranked or sorted by relevance; results are displayed in tree order"],"requires":["Chrome browser with React Developer Tools extension","React application with rendered components","Components tab open in DevTools"],"input_types":["search query string (component name substring)"],"output_types":["filtered component tree with matching components highlighted","count of matching components"],"categories":["code-generation-editing","developer-tools"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"react-developer-tools__cap_7","uri":"capability://code.generation.editing.component.hierarchy.breadcrumb.navigation","name":"component hierarchy breadcrumb navigation","description":"Displays a breadcrumb trail showing the ancestry of the currently selected component, allowing developers to navigate up the component hierarchy by clicking on parent components in the breadcrumb. This provides a quick way to jump to parent components without collapsing and re-expanding the tree.","intents":["I want to quickly navigate to a parent component without manually collapsing the tree","I need to understand the component ancestry of a deeply nested component","I want to jump between a component and its parent without losing my place in the tree"],"best_for":["React developers working with deeply nested component hierarchies","Teams debugging component relationships and data flow","Developers who need quick navigation between parent and child components"],"limitations":["Breadcrumb navigation only works for the currently selected component; it does not show the full tree path","Clicking a breadcrumb item selects that component but does not automatically scroll the tree to show it","Breadcrumb may become very long for deeply nested components, potentially exceeding the available UI space"],"requires":["Chrome browser with React Developer Tools extension","React application with rendered components","Component selected in the Components tab"],"input_types":["selected component in the component tree"],"output_types":["breadcrumb trail showing component ancestry","clickable breadcrumb items for navigation"],"categories":["code-generation-editing","developer-tools"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"react-developer-tools__cap_8","uri":"capability://code.generation.editing.react.hooks.inspection.and.state.tracking","name":"react hooks inspection and state tracking","description":"Displays all React Hooks (useState, useEffect, useContext, etc.) used by a component, showing their current values and dependencies. The extension provides a dedicated view for Hook inspection, enabling developers to understand Hook state and dependencies without reading source code.","intents":["I need to see what Hooks a component is using and their current values","I want to understand the dependencies of useEffect and other dependency-array Hooks","I need to debug Hook-related issues like stale closures or missing dependencies"],"best_for":["React developers using Hooks extensively and needing to debug Hook-related issues","Teams migrating from class components to functional components with Hooks","Developers debugging useEffect side effects and dependency arrays"],"limitations":["Hook inspection only works with functional components; class components do not use Hooks","Custom Hooks are displayed but their internal state is not visible unless they expose it via useState or other built-in Hooks","Hook dependencies are displayed but the extension does not validate dependency arrays or warn about missing dependencies","Hook values are displayed as JSON; complex objects may be difficult to inspect in the UI"],"requires":["Chrome browser with React Developer Tools extension","React application using Hooks (React 16.8+)","Functional component selected in the Components tab"],"input_types":["Hook metadata from functional component (Hook name, state value, dependencies)"],"output_types":["list of Hooks used by the component","Hook state values displayed as JSON","Hook dependencies displayed as an array"],"categories":["code-generation-editing","developer-tools"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"react-developer-tools__cap_9","uri":"capability://code.generation.editing.component.props.validation.and.type.checking.display","name":"component props validation and type checking display","description":"Displays PropTypes validation rules and TypeScript type information for component props in the DevTools UI, helping developers understand expected prop types and validate prop values. The extension reads PropTypes definitions and TypeScript type annotations from the component metadata and displays them alongside the current prop values.","intents":["I want to see what prop types a component expects without reading the source code","I need to understand if a prop value matches the component's expected type","I want to validate that props are being passed correctly to a component"],"best_for":["React developers using PropTypes or TypeScript for type safety","Teams debugging prop-related issues and type mismatches","Developers unfamiliar with a component's prop interface who need to understand expected types"],"limitations":["PropTypes validation is only available if the component explicitly defines PropTypes; not all components use PropTypes","TypeScript type information is only available if the application is built with source maps or type metadata","The extension does not perform runtime type validation; it only displays the declared types","Complex TypeScript types (unions, generics, etc.) may not be fully displayed in the DevTools UI"],"requires":["Chrome browser with React Developer Tools extension","React component with PropTypes or TypeScript type annotations","Component selected in the Components tab"],"input_types":["PropTypes definitions or TypeScript type annotations from component metadata"],"output_types":["prop type information displayed in DevTools UI","current prop values with type indicators"],"categories":["code-generation-editing","developer-tools"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"react-developer-tools__headline","uri":"capability://tool.use.integration.react.debugging.extension.for.chrome","name":"react debugging extension for chrome","description":"A powerful Chrome extension designed specifically for debugging React applications, allowing developers to inspect component hierarchies, edit props and state in real-time, and profile performance seamlessly within browser DevTools.","intents":["best React debugging tool","React DevTools for performance profiling","how to inspect React components in Chrome","top extensions for React development","real-time editing of React props and state"],"best_for":["React developers","frontend developers"],"limitations":["only works with Chrome","limited to React component trees"],"requires":["Chrome browser"],"input_types":[],"output_types":[],"categories":["tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":59,"verified":false,"data_access_risk":"high","permissions":["Chrome browser (version compatible with extension API v3+)","React library (any version) loaded on the inspected page","React Developer Tools extension installed and enabled","Chrome browser with React Developer Tools extension","React application with functional or class components","Component must have accessible state (useState, this.state, or equivalent)","React application with rendered components","Components tab open in DevTools","Click-to-inspect mode activated in DevTools UI","Both Elements tab and React Components tab open in DevTools"],"failure_modes":["Only works on pages where React library is loaded and accessible to the extension","Cannot inspect React components rendered in cross-origin iframes due to browser sandbox restrictions","Performance degrades with extremely large component trees (1000+ components) due to DOM rendering overhead","Does not show components from React libraries that use non-standard rendering patterns or custom fiber implementations","State mutations via DevTools do not persist across page reloads (changes are ephemeral)","Cannot edit props directly on components (props are read-only by design); 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