Source: https://seerepo.com/r/modelcontextprotocol/inspector
Markdown source: https://seerepo.com/r/modelcontextprotocol/inspector.md
Description: modelcontextprotocol/inspector is a TypeScript repo with 465,914 lines written. inspector is built with Vite, React, Express, and Hono and uses MCP.

# What's inside modelcontextprotocol/inspector

modelcontextprotocol/inspector is a TypeScript repo with 465,914 lines written. inspector is built with Vite, React, Express, and Hono and uses MCP. AI signed 54.5% of the 3,407 commits of inspector.

Its description on GitHub: “Deterministic testing tools for MCP servers”

TypeScript · 11,283 stars · GitHub: https://github.com/modelcontextprotocol/inspector

Read on November 12, 2026, at commit 488c30d.

## More on this repo

- [What is inspector built with?](https://seerepo.com/r/modelcontextprotocol/inspector/built): inspector is built with Vite, React, Express, and Hono and uses MCP.
- [How much of inspector did AI write?](https://seerepo.com/r/modelcontextprotocol/inspector/ai): AI signed 54.5% of the 3,407 commits of inspector.

## In figures

- 465,914 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 637 product files: The product’s own files. Test files are counted apart.
- 717 test files: The files that test the code.
- 20 technologies: Each service with the file and line that prove it.

SeeRepo read the facts in its code and kept none of it. AI only helps sort its packages and folders by their names, and never sees its code.

## Frequently asked questions

### What is modelcontextprotocol/inspector?

modelcontextprotocol/inspector is a TypeScript repo with 465,914 lines written. Its description on GitHub: “Deterministic testing tools for MCP servers”

The proof: [its page on GitHub](https://github.com/modelcontextprotocol/inspector)

### What is inspector built with?

inspector is built with Vite, React, Express, and Hono and uses MCP.

The proof: [each service with its file and line](https://seerepo.com/r/modelcontextprotocol/inspector/built)

### How much of inspector did AI write?

AI signed 54.5% of the 3,407 commits of inspector.

The proof: [the commits each tool signed](https://seerepo.com/r/modelcontextprotocol/inspector/ai)

### How many stars does inspector have on GitHub?

inspector had 11,283 stars on GitHub on November 12, 2026.

The proof: [its page on GitHub](https://github.com/modelcontextprotocol/inspector)

## Add this badge to your README

It links to this page and updates itself each time SeeRepo reads the repo.

```markdown
[![modelcontextprotocol/inspector on SeeRepo](https://seerepo.com/badge/modelcontextprotocol/inspector.svg)](https://seerepo.com/r/modelcontextprotocol/inspector?de=insignia)
```

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.