KatanA Markdown Linter runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 29 Aug 2026.
Markdown linter, workspace-scoped stdio MCP server, and self-hosted text-only remote MCP server.
We read the source, 22 h ago · rules 3dff92dd89df
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.
execFile(executablePath, ['--version'], (error, stdout, stderr) => {
const binaryPath = path.join(
this.installRoot,
this.version,
this.target,
return subprocess.run([str(binary_path), *self.arguments], check=False).returncode
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
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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Answers built from our own checks of this server.