claudekit/.claude/mcp

MCP Server Integrations

Model Context Protocol (MCP) servers extend Claude Code capabilities with specialized tools and integrations.

Available MCP Servers

Server	Purpose	Status
Context7	Up-to-date library documentation	Optional
Sequential	Multi-step reasoning tools	Optional
Playwright	Browser automation (Microsoft)	Optional
Memory	Persistent knowledge graph	Optional
Filesystem	Secure file operations	Optional

Installation

Prerequisites

• Node.js 18+
• npx available in PATH

Global Configuration

MCP servers are configured in your Claude Code settings:

Location: ~/.claude/settings.json (user) or .mcp.json (project)

Quick Setup

1. Copy the configuration for your platform (see below)
2. Add to your .mcp.json or settings.json under mcpServers
3. Restart Claude Code

Platform-Specific Configuration

MCP server configuration differs between platforms:

Linux / macOS

{
  "mcpServers": {
    "context7": {
      "command": "npx",
      "args": ["-y", "@upstash/context7-mcp"]
    }
  }
}

Windows

Windows requires the cmd /c wrapper to execute npx:

{
  "mcpServers": {
    "context7": {
      "command": "cmd",
      "args": ["/c", "npx", "-y", "@upstash/context7-mcp"]
    }
  }
}

Note

: The .mcp.json included in this repository uses Windows syntax. Linux/macOS users should use the configurations in this README.

Server Configurations

Context7 (Documentation Lookup)

Provides up-to-date documentation for libraries and frameworks.

{
  "mcpServers": {
    "context7": {
      "command": "npx",
      "args": ["-y", "@upstash/context7-mcp"]
    }
  }
}

Usage: Ask about any library and get current documentation.

Tools:

• resolve-library-id - Find library IDs for documentation lookup
• get-library-docs - Fetch documentation for a specific library

Sequential Thinking

Provides structured reasoning tools for complex problem-solving.

{
  "mcpServers": {
    "sequential": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-sequential-thinking"]
    }
  }
}

Usage: Complex analysis with step-by-step reasoning.

Tools:

• sequentialthinking - Dynamic problem-solving through thought sequences

Playwright (Browser Automation)

Microsoft's browser automation using accessibility tree for fast, LLM-friendly interaction.

{
  "mcpServers": {
    "playwright": {
      "command": "npx",
      "args": ["-y", "@playwright/mcp"]
    }
  }
}

Usage: Web testing, screenshots, form automation.

Key Features:

• Fast and lightweight - uses accessibility tree, not pixels
• LLM-friendly - no vision models needed
• Supports Chrome, Firefox, WebKit, Edge
• Device emulation and profile management

Command-Line Options:

• --browser <browser> - Browser to use (chrome, firefox, webkit, msedge)
• --headless - Run browser in headless mode
• --viewport-size <size> - Viewport size (e.g., "1280x720")
• --device <device> - Device to emulate (e.g., "iPhone 15")

Memory (Persistent Knowledge Graph)

Maintains persistent memory across sessions using a local knowledge graph.

{
  "mcpServers": {
    "memory": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-memory"]
    }
  }
}

Usage: Remember information across conversations and sessions.

Tools:

• create_entities - Create new entities in the knowledge graph
• create_relations - Create relationships between entities
• add_observations - Add observations to entities
• delete_entities - Remove entities from the graph
• delete_observations - Remove observations
• delete_relations - Remove relationships
• read_graph - Read the entire knowledge graph
• search_nodes - Search for entities
• open_nodes - Open specific entities by name

Filesystem (Secure File Operations)

Enables secure file operations with configurable access controls.

{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-filesystem", "."]
    }
  }
}

Usage: Read, write, and manage files with access controls.

Tools:

• read_file - Read file contents
• read_multiple_files - Read multiple files at once
• write_file - Write content to a file
• edit_file - Make edits to a file
• create_directory - Create a new directory
• list_directory - List directory contents
• directory_tree - Get directory tree structure
• move_file - Move or rename files
• search_files - Search for files by pattern
• get_file_info - Get file metadata

Note: The last argument specifies the allowed directory (. for current directory).

Full Configuration Example

Linux / macOS

{
  "mcpServers": {
    "context7": {
      "command": "npx",
      "args": ["-y", "@upstash/context7-mcp"]
    },
    "sequential": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-sequential-thinking"]
    },
    "playwright": {
      "command": "npx",
      "args": ["-y", "@playwright/mcp"]
    },
    "memory": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-memory"]
    },
    "filesystem": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-filesystem", "."]
    }
  }
}

Windows

{
  "mcpServers": {
    "context7": {
      "command": "cmd",
      "args": ["/c", "npx", "-y", "@upstash/context7-mcp"]
    },
    "sequential": {
      "command": "cmd",
      "args": ["/c", "npx", "-y", "@modelcontextprotocol/server-sequential-thinking"]
    },
    "playwright": {
      "command": "cmd",
      "args": ["/c", "npx", "-y", "@playwright/mcp"]
    },
    "memory": {
      "command": "cmd",
      "args": ["/c", "npx", "-y", "@modelcontextprotocol/server-memory"]
    },
    "filesystem": {
      "command": "cmd",
      "args": ["/c", "npx", "-y", "@modelcontextprotocol/server-filesystem", "."]
    }
  }
}

Optional Additional Servers

These servers can be added for extended functionality:

Server	Package	Purpose
Fetch	mcp-server-fetch (uvx)	Web content fetching
Brave Search	@modelcontextprotocol/server-brave-search	Web search (requires API key)
PostgreSQL	@modelcontextprotocol/server-postgres	Database access
Sentry	@sentry/mcp-server	Error tracking
GitHub	@github/mcp-server	GitHub API operations

Verification

After configuration, verify servers are loaded:

1. Start a new Claude Code session
2. Check for MCP tools in available capabilities
3. Test with a simple request

Troubleshooting

Server Not Loading

• Check Node.js version (18+ required)
• Verify npx is in PATH
• Check for typos in configuration
• Review Claude Code logs

Permission Errors

• Ensure network access for package installation
• Check firewall settings
• Verify npm registry access

Slow Startup

• First run downloads packages (one-time)
• Subsequent starts should be faster
• Consider pre-installing packages globally

Security Notes

• MCP servers run with your user permissions
• Review server source before installing
• Playwright has browser access - use carefully
• Context7 makes network requests to documentation sources
• Filesystem server restricts access to specified directories

Resources

• MCP Protocol Documentation
• Available MCP Servers
• Microsoft Playwright MCP
• Claude Code MCP Guide