signalint MCP Server

Signalint is a local MCP server for JavaScript and TypeScript diagnostics. It runs Oxlint, TypeScript, and optionally Biome; caches unchanged checks; clusters repeated issues; and warns when the…

Local serverstdioMIT

What is the signalint MCP Server?

signalint is an MCP project maintained in the tranqui004/signalint repository. The maintainer describes its purpose as “Signalint is a local MCP server for JavaScript and TypeScript diagnostics. It runs Oxlint, TypeScript, and optionally Biome; caches unchanged checks; clusters repeated issues; and…”. Read the project documentation for the complete scope.

Installation

The documented npm package is --no-install. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.

How to install the signalint MCP Server

{
  "mcpServers": {
    "signalint": {
      "command": "npx",
      "args": [
        "--no-install",
        "signalint-mcp"
      ],
      "cwd": "/path/to/project"
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.