Snyk just made security invisible to developers—AI writes secure code without them thinking about it

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The End of Security as a Developer Concern: Snyk's 'Secure at Inception' Revolution

How Model Context Protocol integration promises to make security completely invisible to developers writing AI-generated code

"As a developer, you never want to think about security, right? That's always been our goal," said Randall Degges, Head of Developer and Security Relations at Snyk, his excitement palpable as he demonstrated technology that could fundamentally change how we approach application security. "I think we're like, almost completely there. This gets you 99.8% of the way."

What Degges showed me during our interview at Black Hat 2025 wasn't just another security tool—it was a glimpse into a future where developers can write code without ever thinking about vulnerabilities, compliance, or security best practices. Through Snyk's new "Secure at Inception" platform, powered by Model Context Protocol (MCP) integration, security becomes as invisible and automatic as spell-check in a word processor.

Beyond Shift-Left: Security at the First Prompt

The cybersecurity industry has spent years promoting "shift-left" security, the idea of moving security considerations earlier in the development lifecycle. Snyk's new approach obliterates that entire paradigm by embedding security directly into the AI coding process itself, starting from the very first prompt a developer types.

During our demo, Degges created a simple note-taking application in Node.js using Cursor, an AI-powered code editor. He typed a single prompt: "Build a simple note-taking app in Node that uses SQLite and lets users create an account, log in, edit and store notes." Then he hit enter and stepped back.

What happened next was remarkable. The AI didn't just generate the application code, it automatically scanned every dependency for vulnerabilities, analyzed each code file for security issues, and autonomously fixed problems like hardcoded secrets, cross-site request forgery vulnerabilities, and missing rate limiting. All without a single additional prompt or security-related instruction from the developer.

"I didn't say a single thing about security in that prompt," Degges emphasized. "And just wait until it finishes—I guarantee you this app is going to work perfectly. By the time it's done, semantically everything's going to be correct, and on the security side, it's going to be secure."

The Magic of Natural Language Security Rules

The secret lies in Snyk's MCP server integration and natural language rule system. Developers can create rules in plain English, such as "If you modify or add any code, please scan that code with Snyk and fix any vulnerabilities" or "If you add or change any dependencies, please do a Snyk open source scan and fix the vulnerabilities."

These rules operate completely in the background. The AI coding assistant automatically invokes Snyk's scanning capabilities whenever it generates or modifies code, receives detailed vulnerability information, and then autonomously implements fixes, all while maintaining a running conversation about the application's functionality rather than its security posture.

"This is the coolest thing I've seen since I've been working in this industry," Degges said, watching the AI systematically identify and resolve security issues in real-time. "Developers don't think about security at all. Zero. Absolutely zero."

Confidence-Driven Automation

The system's effectiveness hinges on Snyk's confidence modeling. The company maintains a massive internal database that benchmarks their detection accuracy for each specific type of vulnerability across different programming languages. When confidence levels approach 100%, the system operates fully autonomously. When confidence is lower, it can flag issues for human review.

"If confidence levels are approaching 100%, then maybe human-in-the-loop isn't as important," Degges explained. "Maybe you can focus on other issues. As our confidence thresholds get to 99.9 plus percent, we're going to start rolling this out everywhere."

This isn't theoretical—the system validates its fixes by automatically rescanning modified code to ensure vulnerabilities are actually resolved and that the fixes don't break existing functionality. It's essentially performing the human code review process autonomously.

The AI Bill of Materials: Governing the Invisible

While automating security fixes addresses one challenge, the rise of AI-generated code creates another: visibility. Snyk's AI Bill of Materials (AI-BOM) tool addresses what Degges calls the "invisible and constantly changing" nature of AI-driven development.

The AI-BOM scans applications to identify every AI component, model, dataset, and MCP server being used, creating a comprehensive inventory that updates in real-time. During our demo, it revealed detailed information about models, their parameters, data sources, and execution paths—information that would be nearly impossible to track manually across large development teams.

"Even internally at Snyk, we have this problem," Degges admitted. "Our CISO was like, 'Hey, you're not allowed to use public ChatGPT. You're allowed to use these particular models.' But how do they figure out what people are actually using? That's what the AI-BOM solves."

Toxic Flow Analysis: The New Attack Vector

Perhaps most intriguingly, Snyk's Toxic Flow Analysis (TFA) framework, developed through their Invariant Labs acquisition, addresses security risks that emerge from the interactions between AI tools—even when each individual tool is secure.

"Even though the tools themselves are perfectly secure, it's the interaction between the tools that can be abused when you're working with large language models," Degges explained, referencing recent GitHub security research that demonstrated how attackers could manipulate AI systems through carefully crafted prompts in bug reports.

TFA analyzes combinations of MCP tools to identify potential security issues in their interactions, providing a new category of security analysis specifically designed for agentic AI environments.

The Vibe Coding Security Challenge

The emergence of "vibe coding," where developers describe desired functionality in natural language and AI generates the implementation, creates unique security challenges. Traditional security training focused on teaching developers to recognize and avoid security antipatterns becomes irrelevant when AI is writing the code.

"You can never trust the conversations," Degges emphasized, comparing AI-generated code to conversations with strangers on AOL Instant Messenger. "You need to have autonomous tools in place to check the code. If you don't do that, you are 100% screwed. You will have a lot of breaches and issues."

The Future of Secure Development

Snyk's approach represents a fundamental shift in how we think about application security. Rather than training developers to be security experts or requiring them to constantly context-switch between coding and security tools, it makes security completely transparent to the development process.

"This is what people are going to be doing in like a year," Degges predicted. "Everyone will be doing this. No one's going to be doing it the old way."

The implications extend beyond individual productivity. As AI agents become more sophisticated and autonomous, having security baked into the foundation of AI-assisted development becomes not just convenient but essential. The technology promises to solve the fundamental tension between development velocity and security rigor that has plagued the industry for decades.

For developers, the message is clear: the future of coding is conversational, and security is becoming someone else's problem—in the best possible way.

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