Promptlint MCP Server

by sean-sunagaku Your server? Claim it

local only

Promptlint MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 31 installs a week from npm. Last commit 25 Apr 2026.

Static linter for AI prompts: contradictions, redundancy, ambiguity, and fluff.

Installs per day peak 22 · avg 6 · -19% w/w

a month agotoday

Installs / week

npm · promptlint-mcp

Stars

3 open issues

25 Apr 2026

Last commit

0 releases in 90 days

MIT

License

JavaScript

Nothing serious here today

Today is the operative word: we check Promptlint MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add promptlint-mcp -- npx -y promptlint-mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "promptlint-mcp": {
      "args": [
        "-y",
        "promptlint-mcp"
      ],
      "command": "npx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.promptlint-mcp]
command = "npx"
args = ["-y", "promptlint-mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "promptlint-mcp": {
      "args": [
        "-y",
        "promptlint-mcp"
      ],
      "command": "npx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "promptlint-mcp": {
      "args": [
        "-y",
        "promptlint-mcp"
      ],
      "command": "npx"
    }
  }
}

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answering

Promptlint MCP — questions

Answers built from our own checks of this server.

Why is there no uptime for Promptlint MCP?

Promptlint MCP runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package promptlint-mcp was installed 31 times last week.

How do I connect Promptlint MCP?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls promptlint-mcp straight from npm; nothing to host, nothing to sign up for.

How many people use Promptlint MCP?

The npm package promptlint-mcp was installed 31 times in the last week. Week over week that is -19%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Promptlint MCP open source?

Yes — it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 3 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.