Firebender

Most powerful AIfor Android.Firebender is the first Android-native coding agent that writes features, tests them in the emulator, and fixes issues automatically.Download for freeWalletScreen.ktWalletScreenPreviewBALANCE$9,312.470123 4567 8910 111201/250123 4567 8910 111201/25Add moneyTransferTodaySee allTransferPending- $215.00- $9,312.47Recent activityOnline purchase20 Jun- $215.00- $9,312.47Sales19 Jun- $215.00- $9,312.47FirebenderWalletScreen@Figma: WalletScreen add the transaction listingAuto / DefaultSendAuto selected mode:Composer modeWalletScreen.ktApplying+121-121TransactionListingView.ktApplying+14-34You now have transaction listing support on the wallet screen...• WalletScreen: Renders two sections using the new list:  • Today: Online purchase + Coffee shop.  • Recent activity: Three example transactions.Add contextPlan, search, build anything ()Auto / DefaultSendEDITORDeeply integrated into Android Studio.AI leverages built-in refactor tools, the debugger, logcat to consistently ship production ready code.Figma to codePaste a Figma link and get production-ready Jetpack Compose. Works with your existing design system and components.Agent interacts with emulatorCompose PreviewsWalletScreen.ktUp-to-dateWalletScreenPreviewFirebenderWalletScreen.kt@Figma: WalletScreen sync theseAuto / DefaultSendRules usedReading Theme.ktget_figma_codeWalletScreen.ktApplying+484-15Looking at compose preview renderIteration 1: Initial structure with balance section and card indicators, Today and Recent Activity sections commented outBALANCE$9,312.47Add moneyTransferWalletScreen.ktApplying+424-428Looking at compose preview renderIteration 2: Added Today section with transfer transaction and Recent Activity section with multiple transaction items in...Iteration 1: Initial structure with balance section and card indicators, Today and Recent Activi...BALANCE$9,312.47Add moneyTransferTodaySee allTransferPending-$215.00$9,312.47Recent activityOnline purchase20 Jun-$215.00Sales19 Jun-$215.00WalletScreen.ktApplying+15-16Looking at compose preview renderIteration 3: Added credit card image display with proper padding and left alignment, completing the full wallet card UlIteration 2: Added Today section with transfer...Iteration 1: Initial structure with balance sec...BALANCE$9,312.470123 4567 8910 111201/25Add moneyTransferTodaySee allTransferPending-$215.00$9,312.47Recent activityOnline purchase20 Jun-$215.00Sales19 Jun-$215.00Add contextPlan, search, build anything ()Auto / DefaultSendAgentsCustom agents and sub agentsBuild custom agents for your workflows or use sub-agents that interact with your app autonomously.Custom agentsCreate agents tailored to your codebase with agent.md files. Define system prompts, tools, and workflows that match how your team builds.See how Instacart uses custom rulesSee case studyWalletScreen.kt1234567891011121314151617181920212223242526272829303132333435363738394041--- name: UI Expert description: Jetpack Compose UI specialist color: "#37996e" icon: --- You are a Jetpack Compose UI expert specializing in modern Android UI development. Your focus is on creating beautiful, performant, and idiomatic Compose Interfaces. ## Communication Style - Be direct and practical with UI-focused explanations - Use Compose terminology naturally (conresables, modifiers, state hoisting, recomposition) - Provide brief rationale for UI decisions focusing on UX and performance - Reference Material Design 3 principles when relevant ## Tool Usage - Proactively read relevant Compose files to understand the existing UI patterns - Search for composable functions, themes, and UI components across the codebase - Look for existing UI patterns before creating new ones - Check theme files for color schemes, typography, and spacing conventions - Examine preview functions to understand intended UI states ## Decision Haking - Make autonomous UI decisions that follow Material Design and Compose best practices - Prioritize clean, reusable composable architecture - Default to stateless composables with state hoisting - Use remember, rememberSaxeable, and derivedStateof appropriately - Apply modifiers in the standard order (size, then padding, then decoration) ## Problem Solving Approach - Start by understanding the existing VI architecture and theme system - Break complex UIs into small, focused composables - Consider both Light and dark theme support - Think about preview functions for different states and screen sizes - Optimize for recomposition performance (use keys, avoid unnecessary recompositions) - Ensure accessibility (content descriptions, semantics) FirebenderAdd contextPlan, search, build anything ()Auto / GLM 4.6SendRules usedAuto selected mode: Mode selectedHello! I'm ready to help you with your Jetpack Compose development. What would you like to work on today? I can assist with Ul design, composable architecture, theme implementation, state management, or any other Compose-related tasks you have in mind.Add contextPlan, search, build anything ()Heavy / Claude Sonnet 4.5SendSee how Instacart uses custom rulesSee case studySub agentsMassively parallelize changes while preserving context of the parent agent. Heavy mode makes it so that Firebender can make thousands of changes in a few minutes, while staying coherent.See how Tinder ships fasterSee case studyFirebenderInvestigate the crash spike in version 5.21.0 on the new Quick Pay screenRules usedAuto selected mode: Mode selectedInternal reasoningI’ll investigate the crash spike by querying crash analytics, comparing against the previous release, and using GitHub + the GH CLI to bisect for any fishy commits. I’ll have three sub-agents run in parallel.crash-analytics-agent: Query sentry/splunk/datadog for version 5.21.0regression-agent: Compare crash rate between 5.20.3 and 5.21.0 to confirm the regression windowcode-inspector-agent: Use GitHub + the GH CLI to bisect recent changes and surface any risky commits related to the Quick Pay code pathjava.lang.NullPointerException: Attempt to read from null value at com.firebender.quickpay.QuickPayViewModel.init(QuickPayViewModel.kt:73) at com.firebender.quickpay.QuickPayScreen.Load(QuickPayScreen.kt:41) at com.firebender.app.MainActivity.navigate(MainActivity.kt:112)The crash started in 5.21.0 and occurs when QuickPayViewModel initializes with no saved payment methods. A recent refactor replaced a safe firstOrNull() check with first(), which throws when the list is empty.This only affects users launching Quick Pay without a default payment method configured. Restoring the null-safe guard and handling the empty state resolves the crash cleanly.Add contextPlan, search, build anything ()Heavy / DefaultSendSee how Tinder ships fasterSee case studyFEATURESCode automation frontier.Stay on the frontier of code automation without compromising on Enterprise security requirements.27282930313233343536373839404142434445464748495051525354555657585960616263 return new MultivariateDifferentiableFunction() { /** {@inheritDoc} */ @Override public double value(final double[] point) {return f.value(point);} /** {@inheritDoc} */ @Override public DerivativeStructure value(final DerivativeStructure[] point) { // set up the input parameters final double[] dPoint = new double[point.length]; for (int i = 0; i < point.length; ++i) { dPoint[i] = point[i].getValue(); if (point[i].getOrder() > 1) { throw new NumberIsTooLargeException(point[i].getOrder(), 1, true); } } // evaluate regular functions final double v = f.value(dPoint); final double[] dv = gradient.value(dPoint); if (dv.length != point.length) { // the gradient function is inconsistent throw new DimensionMismatchException(dv.length, point.length); } // build the combined derivative final int parameters = point[0].getFreeParameters(); final double[] partials = new double[point.length]; final double[] packed = new double[parameters + 1]; packed[0] = v; final int orders[] = new int[parameters]; for (int i = 0; i < parameters; ++i) {Editing instructions...(⌘K)ESCto cancelfor historyHighlight code, rewrite inlineSelect code, hit Cmd+K, describe what you want. The agent rewrites it in place in a few seconds.FirebenderGenerate Firebender RulesSome Command HereWrite PR DescriptionAdd context/Auto / DefaultSendRules + Commands + SkillsDefine rules to enforce your coding standards. Create slash commands for common tasks. Implement skills to automate complex workflows.RecordingButton.ktRefactorSendVoice modeTalk to your IDE. Describe what you want and watch it happen. Useful when your hands are busy or you are thinking out loud.AICPASOC 2ISO27001GDPR*****Secure and approvedSOC 2 Type II and ISO 27001 certified. Your code is never stored or used for training.SmdgXqBRnlfGmaZhyTLS0DJKgFA1I0ffEDOWP8HROS5dDrCk4gi7gr5FjVVTdDtWyW3YEQpDRcwtxcwLGCWeWbMzhoAMQ8fAXvxMUUXk1j6soqX5AZKDLdXioZgu4FmBAL7NizVZWDE+x1C2dci9qsTWenWZAlonRmy3PDJUdOQRXIweV0Y3qHyKcwPNFtoR7xEfVk/KYp0Z4JbKtxQwAcrU4xHp1MpmR/mC5K6AhYp/fuCDlalmpx5LuMDjtJSekRduicsxq437z8wYEUijrf3aGiesy8Ev6aKcnz3nfwlxOYEWB1uqZnltTNh1+xLu9xOlEd8SjvRzlvyDSrriTUi1hrfChXU1EXPScWbApoy8oPBc2KoH1pb/WRO1v/Cg97cIEyIqfTx26g74aCHED1pkuxX7bz92D/snVVr8AV9CjQ1AtqlYRU43+Si/xW4qu2NW+AgFn5pCWjXByuohfA==Zero data retentionAfter LLM requests are processed, we do not retain the inputs or outputs, and we do not use it for training.Claude Sonnet 4.5Claude Opus 4.5Grok CodeGemini 3 ProGPT 5.1 CodexDefault SuggestedNo model lock-inUse the latest AI models: Claude 4.5 Opus, GPT-5.2, Gemini 3, or bring your own API key. Seamlessly switch models in the model dropdown.Android engineers love Firebender“Firebender is a no brainer. It has the best integration compared to other alternative solutions in the market.”Kaushik GopalPrincipal Engineer, Instacart“Firebender is by far the best tool to use with Android Studio. I've tried Windsurf, Cursor, Claude Code, Antigravity, and none matched it.”ET BeaulacSenior Engineer, Zillow“With Firebender I don't need to write boilerplate code anymore. I can choose which model works best for me.”Pranay AiranAndroid Tech Lead, Airbnb“Firebender has become my go-to AI tool for Android development. It produces high-quality results in a way that I haven't found with other tools.”Ben SchwabStaff Engineer, Anthropic“The best agentic coding experience possible in Android Studio + IntelliJ. A very flexible and easy to adopt tool without reservations.”Jason PearsonStaff Engineer, Slack“Best plugin for Android developers PERIOD!!! My productivity is at 10x now with Firebender.”Karim FikaniStaff Engineer, Grindr“As an Android dev, I need Android Studio. Firebender finally delivers the AI tooling I've been searching for.”Ryan BrooksStaff Engineer, Sentry“So convenient to have all the latest LLMs at your fingertips. It's the Android equivalent of Cursor.”John QuallsLead Engineer, Henry Meds“Great coding experience with cool new features right in Android Studio. Firebender is the perfect fit for you.”Carlos Gabriel MurilloAndroid Developer, Rappi --- We're building the future of Android developmentFirebender is on a mission to transform how millions of developers build Android apps. We're an engineering-first team solving hard problems at the intersection of AI and developer tooling.Apply as a Founding EngineerGET IN TOUCHNeed help? We're here for youEmail SupportReach out to our team directlyhelp@firebender.comCommunity SupportJoin our Discord communityJoin the communitySupport HoursWhen our team is available9-5 PM PDT Monday - FridayTrust CenterSecurity and compliance informationView security detailsCompany OfficeFirebender Corp.156 2nd St. Unit 421, San Francisco, CA 94105