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Downtrace

io.github.RadW2020/downtrace · v0.4.0

Downtrace tells you when a change breaks the performance of your Node.js backend.

Connect Runs on your machine

Terminal
claude mcp add downtrace -e DOWNTRACE_URL=<DOWNTRACE_URL> -e DOWNTRACE_TOKEN=<DOWNTRACE_TOKEN> -- npx -y @downtrace/[email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "downtrace": {
      "command": "npx",
      "args": [
        "-y",
        "@downtrace/[email protected]"
      ],
      "env": {
        "DOWNTRACE_URL": "<DOWNTRACE_URL>",
        "DOWNTRACE_TOKEN": "<DOWNTRACE_TOKEN>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "downtrace": {
      "command": "npx",
      "args": [
        "-y",
        "@downtrace/[email protected]"
      ],
      "env": {
        "DOWNTRACE_URL": "<DOWNTRACE_URL>",
        "DOWNTRACE_TOKEN": "<DOWNTRACE_TOKEN>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "downtrace": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@downtrace/[email protected]"
      ],
      "env": {
        "DOWNTRACE_URL": "<DOWNTRACE_URL>",
        "DOWNTRACE_TOKEN": "<DOWNTRACE_TOKEN>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
DOWNTRACE_URL
Required
The address of your Downtrace
DOWNTRACE_TOKEN
Optional, secret
An access credential of the project, of level operate; without it the server is read-only

Details

Package@downtrace/[email protected] (NPM, stdio)
First published9 Nov 2026
Last updated9 Nov 2026
Registry nameio.github.RadW2020/downtrace

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