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Agentic coding alone can't close the Mythos remediation gap
Mythos made discovery cheap. Closing the vulnerabilities it finds is a different problem. Why agentic coding alone won't close the remediation gap.
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A knowledge base for code at scale.
120+ deep-dives, organized by what you’re trying to do, not just when we published it. Browse a topic, or scan everything by date below.
Featured
Code generation was the easy part
Six engineering leaders on what gets hard after AI writes the code
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Modernizing off of legacy Java app servers: deconstructing to automate
Legacy application modernization stalls app by app. Go horizontal across WebSphere, WebLogic, and JBoss with deterministic recipes that automate 80%
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AI coding agents don't need bigger models. They need better tools.
The same Java migration cost 30K tokens with the right tool and 61M without. Inside the agent tools layer: the LST, local MCP, Prethink, and Trigrep search
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Featured
Code quality metrics that AI coding agents can actually use
Cyclomatic complexity, LCOM4, Halstead defect density, test gap risk scores — how PreThink computes and surfaces code quality metrics where agents read them
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Challenges in post-quantum cryptography: Finding and fixing quantum threats at scale
Discover how Moderne helps enterprises prepare for post‑quantum cryptography by finding and fixing quantum‑vulnerable code across massive, interconnected systems.
Agentic coding alone can't close the Mythos remediation gap
Mythos made discovery cheap. Closing the vulnerabilities it finds is a different problem. Why agentic coding alone won't close the remediation gap.
Code Remix Summit 2026
Code generation was the easy part
Six engineering leaders on what gets hard after AI writes the code
Modernizing off of legacy Java app servers: deconstructing to automate
Legacy application modernization stalls app by app. Go horizontal across WebSphere, WebLogic, and JBoss with deterministic recipes that automate 80%
Code Remix Summit 2026
AI coding agents don't need bigger models. They need better tools.
The same Java migration cost 30K tokens with the right tool and 61M without. Inside the agent tools layer: the LST, local MCP, Prethink, and Trigrep search
Kotlin Recipes for OpenRewrite
OpenRewrite now ships a Kotlin DSL for declarative recipe authoring, plus catalogs for migration, performance, and Android, all built on the Kotlin LST.
Moderne Changelog: Change intelligence for multi-repository systems
Moderne Changelog gives engineering teams and coding agents a unified view of pull requests, commits, and changesets across every repository and SCM system.
Moderne adds C#: Native code transformation for the .NET ecosystem
Moderne now supports C# and .NET, shipping nearly 700 ready-to-run recipes for migration, code quality, and test frameworks. Automate modernization across your entire .NET portfolio at scale.
Context engineering: why AI coding agents spend most of their tokens reading, not writing
Only 3% of engineers said token cost was their biggest AI coding problem. 42% said agents don't fit their architecture. Why context engineering is the real fix.
Local Moderne MCP: Deterministic Tools for Coding Agents
The Moderne CLI runs a local MCP server that gives coding agents Trigrep search, LST-backed semantic analysis, and deterministic recipe execution, all without leaving the repo
Finding every way a Spring controller commits a response too early
How OpenRewrite's taint analysis finds every way a Spring controller commits a response too early, including the edge cases pattern matching misses
Code quality metrics that AI coding agents can actually use
Cyclomatic complexity, LCOM4, Halstead defect density, test gap risk scores — how PreThink computes and surfaces code quality metrics where agents read them
AI writes code faster than teams can trust it: Quality context is the answer
AI coding agents write code faster than most quality processes were built to handle. The problem isn't the agent — it's that quality intelligence lives on dashboards they never see. This post explains how Moderne Prethink puts code quality metrics directly in the repository, where agents read them automatically before writing a single line.
The first user of your dev tools is no longer a developer
What happens when coding agents use tools designed for humans? Jonathan Schneider on the four tooling gaps costing your agents time and tokens.
The PR is the easy part: What Netflix, Airbnb, and LinkedIn taught me about automated code changes at scale
Engineering leaders from Netflix, Airbnb, and LinkedIn share how they build developer trust in automated code migrations — from shadow validation to PR attribution to migration fatigue.
From grep to Moderne Trigrep: Faster, token-efficient code search for agents and large codebases
Fast, indexed code search for agents and developers. Moderne Trigrep delivers sub-second discovery, lower token usage, and scoped search across large, multi-repo codebases.
Extending semantic intelligence and transformation to Python and the AI/data stack
Python is now modeled semantically, enabling structured analysis, coordinated upgrades, and safe transformations alongside Java and JavaScript.
Changing the AI context: How Moderne Prethink accelerates coding agents and reduces token use
Introducing Moderne Prethink, a new approach to AI code context that helps coding agents work faster, use fewer tokens, and hallucinate less in large codebases.
Moderne Skills: Agent tools to help AI write and run OpenRewrite recipes
AI-Powered Recipe Authoring with Agent Skills and OpenRewrite | Moderne
Spring Boot 4: The upgrade that puts money back in your budget
In this Code Remix Weekly recap, Spring Developer Advocate DaShaun Carter explains why upgrading to Spring Boot 4 improves performance, lowers infrastructure costs, and keeps Java applications ready for modern frameworks, AI tooling, and long term support.
AI-driven code maintenance: What works at Meta, Google, and other large enterprises
Why AI succeeds—or fails—at code maintenance in large enterprises. Lessons from Meta, Google, DX, and Moderne on risk, metrics, and scale.
Semantic code search: a foundation for developer collaboration
Modern engineering depends on understanding code before making changes. See how semantic search provides accuracy for refactoring, auditing, and modernization at scale.
How Squarespace automated modernization at scale to simplify Spring Boot upgrades and more
Learn how Squarespace automated Spring Boot and internal framework upgrades across 200+ services, cutting migration effort by 50–60% and accelerating modernization with Moderne.
From tech debt to tech stack liquidity: A new model for modernization
Technical debt is continuous. Explore how tech stack liquidity and automated refactoring help enterprises modernize faster, reduce risk, and stay ahead of framework change.
Where we’re at with the JavaScript LST a month after its release
A one-month update from Moderne on OpenRewrite’s JavaScript and TypeScript LST support. Learn what’s improved, what’s planned next, and where the roadmap is heading.
How to speed and scale your Spring Boot 4 migration
Upgrade to Spring Boot 4 faster and with less risk. Learn how OpenRewrite and Moderne automate Java, Jakarta, Spring Framework, and dependency changes at scale.
Overlapping taint sources: A challenge in static analysis solved
Traditional static analysis mislabels taint sources and creates noise. Learn how multi-type, usage-aware taint analysis improves accuracy and unmasks real security risks.
Moderne adds JavaScript: Universal modernization across the stack
Moderne expands its platform to support JavaScript and TypeScript, delivering the first enterprise-scale solution for automated refactoring and modernization
Get your front row seat to the new Moderne DevCenter
See how the Moderne DevCenter helps teams coordinate migrations, track vulnerabilities, and align modernization goals at scale with new OpenRewrite recipe-based dashboards and real-time insights.
Writing an OpenRewrite recipe with Claude Code: From JBoss to Jetty
See how AI can accelerate writing OpenRewrite recipes for migrations like JBoss to Jetty. Learn how automation improves code modernization at scale.
Sharing is scaling: Moderne CLI 3.45 unlocks all-org code collaboration and telemetry
Discover how Moderne CLI 3.45 enables org-wide code collaboration, telemetry, and secure large-scale modernization with OpenRewrite recipes and LSTs.
Modernizing legacy code: Staying on track after 30 years of Java
Learn how enterprises like JPMorgan Chase and Choice Hotels modernize legacy Java code at scale. Discover strategies for continuous Java upgrades, automated migrations, and staying secure with the latest Spring Boot and Java features.
Implementing large-scale code changes with Moderne
Moderne enables fast, safe, and scalable code remediation across thousands of repos. Learn how teams build trust in automation and modernize with confidence.
Understanding OpenRewrite: Beyond the Myths
Think OpenRewrite is just a code formatter? Think again. We debunk 16 common myths about automated code refactoring and explain how OpenRewrite really works.
Secure where you are: Backpatch what matters, when it matters
Learn how Moderne helps enterprises backpatch critical vulnerabilities, apply secure fixes at scale, and modernize legacy systems with confidence.
Modern, scalable AppSec: Advances in automation and AI security
Learn how to modernize AppSec with automated fixes for legacy code, AI security threats, and compliance needs.
Autonomous testing and the future of developer productivity
Learn how autonomous testing, AI, and intelligent profiling are redefining enterprise codebase management and developer productivity.
Choice Hotels leaps to Java 21—modernization at enterprise scale
Modernize code at enterprise scale with automation. See how Choice Hotels approached Java upgrades with a playbook built for continuous modernization.
Open source auto-refactoring meets AI agent to modernize fintech software at scale
Discover how Moderne and AI agents help fintech teams modernize complex codebases at scale. See why Moderne is presenting with Morgan Stanley at OSFF London 2025.
Tech debt, AI, and the future of software engineering: Lessons from GartnerAPPS 2025
Explore what the 2025 Gartner Application Innovation Summit revealed about modernizing legacy systems, managing tech debt, and navigating the real impact of AI-powered development tools.
Rethinking enterprise code at scale: AI, tech debt, and testability
In this panel recap from Code Remix 2025, learn how engineering leaders are tackling tech debt, boosting testability, and using AI and automation to modernize massive codebases.
From refactoring chaos to code confidence: How Morgan Stanley is tackling tech debt at scale
Discover how Morgan Stanley addresses tech debt across 50k repos—refactor and modernize code at enterprise scale.
Speed your Spring Boot 3.5 migration
Migrating to Spring Boot 3.5? Get the accurate automation to move forward faster across your entire codebase. Learn more.
How to modernize at scale: Batch changes and mass PR issuance with Moderne
Simplify and centralize multi-repository PR issuance and management with Moderne's Batch Changes capability—whether your changes come from CI pipelines, custom containers, or even Sourcegraph.
OpenRewrite and Gradle Kotlin: Technical deep dive
Build tools are an essential, yet often overlooked part of software development and delivery. Maintain Gradle Kotlin with OpenRewrite now. Get the technical deets.
Introducing Moderne’s multi-repo AI agent for transforming code at scale
See how Moderne's multi-repo code agent changes the game, enabling developers to understand and evolve entire codebases—not just the repository in front of them.
Overview of OpenRewrite and Moderne
An overview of OpenRewrite and Moderne and how Moderne scales OpenRewrite to enable mass-scale code collaboration and modernization.
What are embeddings, and why are they great for code impact analysis?
Explore how embeddings can be a powerful tool for searching and analyzing large codebases with the help of the Moderne Platform.
Manage your software dependencies or they will manage you
Learn how to avoid SDLC disruptions from software dependency problems. Automate dependency research and upgrades at scale to keep software moving forward.
Confident coding: Making backwards incompatible changes less painful for all
Stop the tyranny of breaking changes. Know the full scope of repositories impacted by code changes and help automate updates.
Transforming healthcare software delivery: MEDHOST’s journey with Moderne
Learn how MEDHOST tackled technical debt with automated code refactoring and quality, transforming its software delivery process.
Interactions replaces Veracode with Moderne for vulnerability remediation and much more
Learn why Interactions chose Moderne to automate vulnerability remediations, Java migrations, and code standardization.
AI code search at scale: Finding method invocations with natural language
Discover the power of searching your entire codebase for method invocations using OpenRewrite recipes that leverage a two-phase AI pipeline.
Mass migration of nullability annotations to JSpecify
See how to migrate nullability annotations to JSpecify at mass scale using OpenRewrite and Moderne.
Meet Jente Sondervorst, software engineer at Colruyt: Moving code forward with OpenRewrite recipes
Catch the Code Remix conversation with Jente Sondervorst, software engineer at Colruyt, on his work with OpenRewrite.
What is the Lossless Semantic Tree (LST) code model for automated refactoring and analysis?
Learn about the most comprehensive code representation for accurate auto-refactoring and analysis—used by OpenRewrite and Moderne.
Hear from expert OpenRewrite contributor: Shannon Pamperl
Check out this discussion with Shannon Pamperl, architect from Shelter Insurance, on his work with OpenRewrite.
Building the Recipe Builder: A journey through invention, design, and development at Moderne
Learn how we improved the way users navigate, analyze, and customize OpenRewrite recipes in the Moderne UI
Introducing the Moderne IDE plugin: Researching 1000’s of repos in flow
Work across multiple repositories in the IDE to search and refactor code faster and at scale while staying in the flow.
Four ways Moderne hardens your code against security vulnerabilities and weaknesses
Learn best practices for combating the OWASP Top 10 risks. Elevate your security game with Moderne. Stay ahead, stay safe.
Safe, efficient ways to use AI for mass-scale automated refactoring and analysis
See how Moderne is pioneering the safe and efficient use of AI for automated code refactoring and analysis at mass scale.
Deploying AI LLMs on CPUs: Navigating efficiency and scalability
Learn about our real-world implementation of LLMs on CPUs for mass-scale code refactoring and analysis work within the Moderne Platform.
Streamline feature flag management: Automate removal with OpenRewrite & Moderne
Eliminate feature flag management pain and unlock their value. Automate their evaluation and elimination on a mass scale for greater project efficiency and agility.
Stop breaking CI—annotate PRs with OpenRewrite recipe fixes as your quality gate
Learn how to annotate your PRs with OpenRewrite automated fixes to keep your code moving forward.
Announcing AI-assisted refactoring in the Moderne Platform: Where a computer gets AI
Learn how the Moderne Platform has integrated AI LLMs into OpenRewrite recipes to assist refactoring, migration, and impact analysis use cases.
Run JavaScript and TypeScript codemods at scale with the Moderne Platform
With the Moderne Platform, developers can view JavaScript and Typescript codemods in one place and then execute them across multiple repositories at once.
How Moderne engineering built a fast, secure, and cost-effective AI search to assist automated code refactoring
Moderne engineering built an efficient search using AI embeddings. Get the details on the AI LLMs and techniques they employed.
The silver bullet for improving developer productivity and creativity: Eliminate technical debt at scale
Learn how to automate code refactoring at scale to give developers back time to be more productive on the things that matter to their business and customers.
How Moderne’s engineering team accomplished its own Spring Boot 3.2 migration
Learn how the Moderne engineering team migrated its own code to Spring Boot 3.2 in days using the Moderne Platform.
Introducing the Moderne DX Edition: Fully air-gapped automated code remediation at scale
Enables teams with the tightest corporate security controls to reap the benefits of automated code remediation and analysis coordinated across multiple repositories.
Case study: Insurer improves developer productivity with code migration automation
Learn how automated code migration boosts developer productivity by 1,100% and business value by 30%. How did one insurer do it? Dive into our case study.
12 ways to transform your code with automation
Check out a recap of the Moderne 12 days of code transformation advent series with resources to guide your team to automating a cleaner, updated codebase in 2024 and beyond.
Analyze and understand your codebase like never before: Announcing code visualizations in the Moderne Platform
Analyze and understand complex codebase at scale with Moderne code visualizations. Explain code impacts to business leadership using real-time insights.
Introducing the Moderne CLI: A many-repo developer experience for automated code refactoring
Learn now developers can work efficiently across many repositories at once to automate code updates, migrations, security, and quality—enabling more time for delivering business value.
Exploring the power of Moderne data tables for code impact analysis and automated remediation
Unlock the power of real-time impact analysis with Moderne's data tables. Make swift, informed code decisions and auto-remediations to upgrade and secure your code.
The benefits of software modernization for tech stack liquidity and business agility
The ability to modernize and update your software at a much faster pace is one of the most fundamental advantages your business can have. Learn how.
Find personally identifiable information (PII) and secrets exposed by your APIs
Learn how to find personally identifiable information (PII) exposed by APIs and protect sensitive company data.
Migrating from Hamcrest to AssertJ with OpenRewrite and Moderne
Learn how to quickly and easily migrate from the Hamcrest assertion library to AssertJ. Get tech stack liquidity with OpenRewrite and Moderne.
Micronaut framework 4.0 release incorporates auto-upgrade with OpenRewrite recipes
Learn about the automated Micronaut framework 3-to-4 upgrade with OpenRewrite recipes.
How to use generative AI for automating code remediation at scale
Learn how to use generative AI for automated code refactoring at scale and why code remediation needs more than an in-line AI assistant.
Auto-remediating code at scale with lossless semantic tree and generative AI
Check out the Moderne rules-based approach to automated code remediation—augmented by AI.
Dependency updates unmasked: Version bumps don’t keep your code secure
Learn the limitations of patch version updates for fixing security dependencies. Dive into real data and find out what’s needed for fully automated remediation.
O’Reilly report: Automated code remediation and securing the software supply chain
Learn the patterns, practices, and tech behind automated code remediation that enable you to stay ahead of security vulnerabilities and the competition.
The role of auto-remediation in DevSecOps: Improving security and speeding up development
Learn about the role of automated code remediation in DevSecOps and why auto-remediation through the Moderne platform is the way forward.
Conversations in automated code remediation at Devnexus 2023
We were thrilled to be part of Devnexus 2023, the largest Java conference in North America. Check out our conversations in automated code remediation.
How to rapidly migrate Spring frameworks
This on-demand “Golden Path to Spring One” episode highlights the need for automated code remediation when migrating to new Spring Framework and Spring Boot versions.
Case study: Improving code security with continuous software modernization
Learn why Choice Hotels chose automated remediation from Moderne to keep their source code in a continuously secure state.
The future of AppSec: Emerging trends and new best practices
We explore emerging trends in application security (AppSec) as well as existing and new best practices, and the shift in security vulnerability remediation.
Code authorship vs. code remediation
There is a clear difference between authorship & remediation when it comes to writing code; we think much more quickly than we are able to type the code...
Case study: Improving risk profile and DevEx with automated code remediation in financial services
Check out this case study on modernizing code automatically at scale—Moderne fixes vulnerabilities, migrates code to dramatically reduce technical debt.
How Axon Framework handles breaking changes through OpenRewrite
Too many users on Axon Framework can put your business in an ever-growing pile of technical debt. Are you also facing this challenge?
Moderne achieves SOC 2 Type 2 certification
Moderne is proud to announce that it has achieved the highest level of external audit certification, SOC 2 Type 2 - an extra layer of protection for our users.
What we know so far about generative AI applications to mass refactoring.
Generative AI has enabled new mass refactoring applications, potentially revolutionizing the field. This article provides an overview of the latest research.
Auto-remediation of code for continuous software modernization
Read how organizations can benefit from continuous software modernization - frequent transformations to larger projects that require immediate attention.
Lossless Semantic Trees: The key to restoring creativity to software engineering
The characteristics of Lossless Semantic Tree - Designed for round-trip serialization, It preserves the formatting and the entire type awareness. Read more.
"Freedom and responsibility" is great for platform engineering.
By taking autonomous actions & responsibility, teams can develop experiments quickly & determine whether or not they have the desired outcomes.
"The SDLC is a relay race between systems of record and automation."
Listen to Pat Johnson talking about his first professional software development job at Shelter Insurance in Columbia, MO & more about SDLC.
The software industrial revolution is here, but migration is manual?
Migration engineering can be automation rather than clerical work. Here is why industrialized production requires industrialized maintenance.
App modernization is the missing piece of devops
Save Money. Make more money. Secure customer data. Build faster. Innovate better. Learn more about how app modernization can help create something new.
Moderne achieves SOC 2 Type 1 certification
Keeping customer data safe is our top priority. Moderne is SOC 2 Type 1 certified and is committed to providing a secure platform. Take a look here.
What does semantic refactoring look like?
Are you familiar with moving a variable, renaming a method, or shifting classes to different namespaces? Read about the benefits of semantic refactoring tools.
The gateway drug to mass, automated refactoring is technical debt
A personal information leak to a hacker can cause your business some serious trouble. Here is how to overcome production outage challenges. Read more.
Why is technical debt often de-prioritized in an agile environment?
An agile work environment quickly delivers business value to stakeholders by utilizing iterative development cycles accounting for customer feedback.
Observers for AST nodes in OpenRewrite
OpenRewrite is a powerful, expressive technology for programmatically rewriting source code, where developers can modify their codebase in meaningful ways.
What made this change?
The latest version of OpenRewrite 7.16.0-SNAPSHOT now tracks the lineage of recipes that have altered source files to provide additional context to developers.
Basic Groovy and Gradle support
Rewrite 7.15.0 introduces basic Groovy and Gradle support. Enjoy the new support, which requires no modifications, and do significant time savings. Learn more.
IntelliJ and Eclipse integration
Take a look at a short demo video of the IntelliJ integration. This video gives you insights on how to find usages on Moderne.
Oracle taps Moderne to automate updates to Micronaut 3.x
Oracle's Micronaut 3.0 major release is now available to the public, and the team has developed automated recipes to make upgrading easy. Take a look here.
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