Internal Developer Portal MVP

If you run an engineering team of 15 to 75 people, you do not need a complex platform. You need clarity. An internal developer portal MVP should focus on three things: search, a service catalog, and clear service ownership. This scope reduces confusion and improves delivery without adding heavy process.

As teams grow, knowledge spreads across repos, docs, and chat. Engineers spend time asking who owns a service or where to find its code. A simple portal gives your team one place to understand your system landscape. It creates a shared view of what you run and who is responsible.

Why Service Catalog and Ownership Matter

The core of your internal developer portal is a searchable service catalog. List your services, APIs, and core systems. For each one, include a short description, a link to the repository, a link to documentation, and its production status. Keep the structure simple. Engineers should find what they need in seconds.

Search is critical. If engineers cannot find a service by name or keyword, they will stop using the portal. Good search turns your catalog into a daily tool.

Service ownership is just as important. Every service must have a clear owner, either a team or a specific person. When incidents happen or changes are planned, people need to know who is responsible. Visible ownership improves accountability and reduces delays.

How to Build an Internal Developer Portal for Teams 15–75

Start small. Define what counts as a service. Collect the basic data. Assign owners. Publish early, even if the data is not perfect. You can refine the structure later.

Avoid adding complex workflows or automation in the first version. For most mid sized teams, search, catalog, and ownership solve the main problem. Once your portal is accurate and trusted, you can add templates or recommended patterns.

If your engineers cannot answer “What services do we have?” and “Who owns this?” in under a minute, you need an internal developer portal MVP. Build the foundation first. Then grow from it.

No time or resources to build it yourself? Check Moai and see how it can help your engineers.

Geert P. Thiemens
The Moai team