Cursor MCP Monitor

@willibrandon

About Cursor MCP Monitor

Real-time monitoring tool for Model Context Protocol (MCP) interactions in Cursor AI editor. Track, analyze, and debug AI context exchanges between LLM clients and servers. Supports log rotation, pattern matching, and color-coded event visualization.

#real-time #monitor #log #mcp #tail #cursor #dotnet-tool

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "CursorMCPMonitor": {
      "command": "docker",
      "args": [
        "build",
        "-t",
        "cursor-mcp-monitor",
        "-f",
        "src/CursorMCPMonitor/Dockerfile",
        "."
      ]
    }
  }
}

Tools

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Overview

What is Cursor MCP Monitor?

Cursor MCP Monitor is a .NET console application that monitors Model Context Protocol (MCP) interactions in the Cursor AI editor. It helps developers debug and analyze MCP server-client communications by monitoring log files in real-time.

How to use Cursor MCP Monitor?

Install globally via .NET CLI: dotnet tool install --global CursorMCPMonitor. Run with cursor-mcp --help. Override settings via command-line options (e.g., --logs-root, --poll-interval, --verbosity) or environment variables. Docker support is also available with volume mapping for logs.

Key features of Cursor MCP Monitor

Real-time monitoring of MCP client-server interactions in Cursor
Parses and color‑codes different message types (green, yellow, red, gray)
Web‑based dashboard at http://localhost:5050 with live event streaming
Cross‑platform support (Windows, macOS, Linux)
Configurable polling interval, log pattern, and verbosity
Structured logging with Serilog (console + daily‑rotated files)

Use cases of Cursor MCP Monitor

Debug MCP server implementations by monitoring client‑server interactions
Analyze protocol messages and error patterns in real time
Track client lifecycle, connection states, and server capabilities
Verify correct protocol implementation during development
Monitor application performance and error rates through structured logs

FAQ from Cursor MCP Monitor

What does Cursor MCP Monitor do?

It monitors MCP interactions in the Cursor AI editor by parsing log files in real time, displaying client creation, connection events, error warnings, and more.

How do I install Cursor MCP Monitor?

Install using the .NET CLI: dotnet tool install --global CursorMCPMonitor. The tool can also be installed from GitHub Packages by adding the appropriate NuGet source.

Which platforms does Cursor MCP Monitor support?

It supports Windows, macOS, and Linux. Log directory defaults vary per platform (e.g., %AppData%/Cursor/logs on Windows).

What configuration options are available?

You can set LogsRoot, PollIntervalMs, LogPattern, Verbosity, and Filter in appsettings.json or via environment variables. The web dashboard runs on port 5050.

Does Cursor MCP Monitor require a specific .NET runtime?

Yes, .NET 9.0 SDK or later is required to build and run the application.

Frequently asked questions

What does Cursor MCP Monitor do?

It monitors MCP interactions in the Cursor AI editor by parsing log files in real time, displaying client creation, connection events, error warnings, and more.

How do I install Cursor MCP Monitor?

Install using the .NET CLI: `dotnet tool install --global CursorMCPMonitor`. The tool can also be installed from GitHub Packages by adding the appropriate NuGet source.

Which platforms does Cursor MCP Monitor support?

It supports Windows, macOS, and Linux. Log directory defaults vary per platform (e.g., `%AppData%/Cursor/logs` on Windows).

What configuration options are available?

You can set `LogsRoot`, `PollIntervalMs`, `LogPattern`, `Verbosity`, and `Filter` in `appsettings.json` or via environment variables. The web dashboard runs on port 5050.

Does Cursor MCP Monitor require a specific .NET runtime?

Yes, .NET 9.0 SDK or later is required to build and run the application.

Comments

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