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Dockerfile Lint MCP Server

local only

Dockerfile Lint runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 9 Oct 2026.

Lint Dockerfiles for root users, latest tags, secrets in ENV or ARG, missing HEALTHCHECK and more.

—
Installs / week
not published
1
Stars
6 open issues
9 Oct 2026
Last commit
from GitHub
MIT
License
TypeScript

What the code does

We read the source, 2 d ago · rules ccca72095570

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Runs an external command packages/regex-lab/src/runner.ts:97
function spawn(data: Record<string, unknown>, timeoutMs: number, onMessage: (msg: Record<string, unknown>) => void): Promise<{ timedOut: boolean; error?: string; elapsed: number }> {
In the project's build, not in the package

Found in continuous integration, deployment or infrastructure files, or in a neighbouring package of the same monorepo. None of this is installed when you add the server: it describes how the project is built and released. We list it because a leaked key in a build pipeline is still a real problem, but it is not something this server does on your machine.

Builds a database query by concatenation .github/workflows/publish-github-packages.yml:303
      - name: Create or update the release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

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Dockerfile Lint — questions

Answers built from our own checks of this server.

Why is there no uptime for Dockerfile Lint?
Dockerfile Lint runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone.
Is Dockerfile Lint open source?
Yes — it is published under the MIT licence, written in TypeScript, 1 stars on GitHub and 6 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.