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HoundDog.ai Launches ProtoMap

HoundDog.ai, renowned for its deterministic code context engine, has unveiled a game-changing tool called ProtoMap aimed at revolutionizing how software engineers manage changes in gRPC and Protobuf across both monorepos and microservices. This innovative engine is designed to map every service, API, and field, providing engineers with superior visibility and understanding of their project's architecture.

Key Features of ProtoMap

One of ProtoMap's standout features is its ability to serve as a free, self-hosted service graph that grants engineering teams and AI coding agents detailed organizational context that is updated with each code commit. This continuous refresh means that developers have access to the most current dependencies and connections, significantly reducing the time and effort required to navigate complex codebases.

Amjad Afanah, co-founder of HoundDog.ai, emphasized the importance of tools like ProtoMap in today's fast-paced development environments. He stated, “AI coding agents are writing more code than ever, and every change to a shared service, API, or field now ripples further and faster. Agents shouldn't burn tokens rediscovering the same dependencies or miss the ones in repositories they can't see.”

This solution ensures that all engineers and AI agents operate from a unified map of the entire dependency landscape, helping them visualize the potential impact of their changes before committing updates.

The Challenge of Change Management

Managing updates in large-scale engineering organizations can be a daunting task, especially when dealing with gRPC and protocol buffers. Traditional API specifications often fail to encompass every service or call site that utilizes them, leading to gaps in knowledge that can hinder development workflows. ProtoMap tackles this issue head-on by employing a deterministic Rust scanner that builds and maintains a service graph directly from the source code, thus keeping it current across all repositories.

This means that engineers working within multi-million-line monorepos can efficiently and effectively plan for changes without worrying that outdated context will lead to errors or oversights.

In practical terms, the benefits of ProtoMap have been evidenced through rigorous testing. For instance, during evaluations with an enterprise client managing a complex array of gRPC services, ProtoMap achieved an astonishing 8x reduction in both the tokens consumed and the time taken for change-planning tasks. Moreover, the platform's free version allows developers to scan and query their local machines, while the enterprise version ensures organization-wide freshness of the service graph through continuous integration processes.

Performance Improvements with ProtoMap

Benchmark results show that ProtoMap can dramatically enhance coding efficiency. In tests performed across nine gRPC repositories harboring 5 million lines of code, ProtoMap not only facilitated a 6.4x increase in the speed of Claude Code's responses but also did so at a cost efficiency rate of 5.3x compared to conventional methods. For example, during a side-by-side session, Claude Code processed requests in just 50 seconds at a cost of $0.40 with ProtoMap, a stark contrast to the 6 minutes and $14.44 required without it.

The tool was also showcased in a live demonstration at MozFest 2026, indicating its potential for widespread adoption within the tech community.

About HoundDog.ai

Founded with the goal of simplifying the complexities of software development, HoundDog.ai focuses on creating lightweight, Rust-based code scanners. These scanners are tailored to deliver a clear and live overview of the services, APIs, data flows, and integrations that software organizations build. In addition to ProtoMap, HoundDog.ai also offers the Privacy Code Scanner, targeted at maintaining compliance and security protocols across various platforms. Interested parties can learn more at their official website, hounddog.ai.