mcp-diagnostics-extension

Overview

The MCP Diagnostics Extension bridges VS Code's diagnostic system with the Model Context Protocol, enabling AI agents to access code problems in real-time. It works with any VS Code diagnostic provider including TypeScript, ESLint, and custom linters. The extension features production-quality architecture with 810 passing tests and 97.99% code coverage, along with advanced features like real-time notifications, performance monitoring, and automatic server registration.

Try asking AI

After installing, here are 5 things you can ask your AI assistant:

• getProblems

  Get all diagnostic problems with filtering capabilities

  Try:Show me all errors in my projectTry:Get diagnostics with severity warning or higherTry:Find all TypeScript errors in the workspace
• getProblemsForFile

  Get diagnostic problems for a specific file

  Try:Show me problems in src/components/Header.tsxTry:What errors are in index.js?Try:Check for issues in utils/helper.ts
• getWorkspaceSummary

  Get workspace-wide diagnostic statistics and summary

  Try:Give me a summary of all errors in the workspaceTry:How many warnings are there in the project?Try:Show me diagnostic statistics by severity

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Installation

git clone https://github.com/newbpydev/mcp-diagnostics-extension.git
cd mcp-diagnostics-extension
npm install
npm run compile
code --extensionDevelopmentPath=.

{
  "mcpServers": {
    "vscode-diagnostics": {
      "command": "node",
      "args": ["scripts/mcp-server.js"],
      "cwd": "/path/to/mcp-diagnostics-extension",
      "env": {
        "NODE_ENV": "production"
      }
    }
  }
}

FAQ

What diagnostic providers does this extension support?

The extension works with any VS Code diagnostic provider including TypeScript, ESLint, custom linters, and any extension that registers with VS Code's diagnostic system.

How do I verify the extension is working?

Look for the status bar item showing $(bug) MCP: XE YW where X is the error count and Y is the warning count. You can also check the server status through the command palette with 'MCP Diagnostics: Show Status'.

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