10 Underrated MCP Servers Developers Should Know

These MCP servers can help your AI agent understand code, test APIs, debug builds, and do much more than just write code.

Most developers know MCP servers like GitHub, Playwright, and Context7. They are useful, but there are plenty of other tools worth exploring.

Some MCP servers help AI understand an entire codebase. Others let it test APIs, inspect failed builds, or even manage deployments.

So, let’s look at 10 underrated MCP servers that deserve more attention. You might find your next favorite developer tool here.

1. ast-grep MCP

GitHub: ast-grep/ast-grep-mcp

Searching code with normal text search works fine until you need something specific.

For example, you might want to find every function that calls a particular method, or locate a certain programming pattern across hundreds of files.

That’s where ast-grep MCP comes in. Instead of searching only for matching words, it lets your AI assistant search code based on its structure. It can inspect syntax trees, find programming patterns, and help create structural search rules.