Cursor MCP Monitor MCP Server

Real-time monitoring tool for Model Context Protocol (MCP) interactions in Cursor AI editor. Track, analyze, and debug AI context exchanges between

Local serverstdio

What is the Cursor MCP Monitor MCP server?

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. That is what the cursor mcp monitor mcp server brings to an AI assistant: the same capability, reachable through the Model Context Protocol rather than a separate app or dashboard.

The short version

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

The Model Context Protocol (MCP) is an open protocol that standardizes how applications provide context to LLMs. It follows a client-server architecture where: - MCP Hosts (like Cursor) connect to multiple servers - MCP Clients maintain 1:1 connections with servers - MCP Servers expose specific capabilities through the standardized protocol - Local Data Sources and Remote Services are accessed securely through MCP servers

  • Real-time monitoring of MCP client-server interactions in Cursor:
  • Client creation and connection events
  • Server offering listings and capabilities
  • Protocol errors and warnings
  • Client lifecycle transitions
  • Monitors the Cursor logs directory for new MCP log files

The tools it exposes

The server publishes 14 tools. What each one is for:

  • Real — time monitoring of MCP client-server interactions in Cursor:
  • Green — Client creation and successful connections
  • Yellow — Server offering listings
  • Red — Protocol errors and client closures
  • Gray — General information messages
  • Cross — platform support (Windows, macOS, Linux)
  • Command — line interface for easy customization
  • LogsRoot — The root directory to monitor for Cursor MCP logs. If null, defaults to:
  • Windows — %AppData%/Cursor/logs
  • macOS — ~/Library/Application Support/Cursor/logs
  • Linux — ~/.config/Cursor/logs
  • PollIntervalMs — How often to check for new log lines (in milliseconds)

What it needs from you

  • .NET 9.0 SDK or later

Getting it running

The server ships on a container image as Support/Cursor/logs, so your MCP client can launch it on demand — there is no separate build step. Add the server block to your client's configuration, restart it, and the tools register themselves.

How it compares

Among the monitoring and observability options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. Cursor MCP Monitor's toolset — Real, Green, Yellow and 11 more — is a fair guide to whether it matches your workflow. It is maintained by willibrandon; worth a glance at recent repository activity before you build anything load-bearing on it.

This entry was verified against Cursor MCP Monitor's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

Things to watch

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • With 14 tools registered it takes up a noticeable share of the context window; turn it off in projects that never touch Cursor MCP Monitor.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

Available tools

ToolWhat it does
Realtime monitoring of MCP client-server interactions in Cursor:
GreenClient creation and successful connections
YellowServer offering listings
RedProtocol errors and client closures
GrayGeneral information messages
Crossplatform support (Windows, macOS, Linux)
Commandline interface for easy customization
LogsRootThe root directory to monitor for Cursor MCP logs. If null, defaults to:
Windows%AppData%/Cursor/logs
macOS~/Library/Application Support/Cursor/logs
Linux~/.config/Cursor/logs
PollIntervalMsHow often to check for new log lines (in milliseconds)
LogPatternThe log file pattern to monitor (supports glob patterns like "Cursor MCP*.log")
VerbosityThe verbosity level (Debug, Information, Warning, Error). Defaults to Debug to show all messages.

How to install the Cursor MCP Monitor MCP server

{
  "mcpServers": {
    "cursormcpmonitor": {
      "command": "docker",
      "args": ["run", "-i", "--rm", "Support/Cursor/logs"]
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

  • .NET 9.0 SDK or later

Example prompts to try

  • Use Cursor MCP Monitor to Real.
  • Use Cursor MCP Monitor to Green.
  • Use Cursor MCP Monitor to Yellow.

Frequently asked questions

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.