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mcp-integration

Name: mcp-integration
Rating: 5 (45152 reviews)
Author: anthropics

This skill should be used when the user asks to "add MCP server", "integrate MCP", "configure MCP in plugin", "use .mcp.json", "set up Model Context Protocol", "connect external service", mentions "${CLAUDE_PLUGIN_ROOT} with MCP", or discusses MCP server types (SSE, stdio, HTTP, WebSocket). Provides comprehensive guidance for integrating Model Context Protocol servers into Claude Code plugins for external tool and service integration.

TL;DR

Enables integration of external services via MCP servers in plugins. Supports multiple server types and configurations.

What Is It

Connects plugins to external services using structured tools
Provides multiple MCP server types: stdio, SSE, HTTP, WebSocket
Allows bundling MCP servers in plugin configuration files
Automatically handles authentication and tool discovery

Key Features

Supports stdio, SSE, HTTP, and WebSocket server types
Configurable via .mcp.json or plugin.json
Handles OAuth and token-based authentication automatically
Tools are auto-prefixed as mcp__plugin_...__tool_name
Environment variable expansion with ${CLAUDE_PLUGIN_ROOT} and user vars
Pre-allow specific tools for security, avoid wildcards
MCP servers start on plugin enablement
Tools available via /mcp command for inspection

How to Use

1.Identify user request for MCP integration or server setup
2.Choose server type (stdio, SSE, HTTP, WebSocket) based on use case
3.Configure .mcp.json or plugin.json with server details and auth
4.Pre-allow specific MCP tools in command frontmatter
5.Ensure environment variables are documented in plugin README
6.Test tool access via /mcp command or in user commands

Guardrails & Gotchas

FORBIDDEN: Use wildcards in allowed-tools (security risk)
MUST: Document all required environment variables in plugin README
MUST: Use specific tool names, not wildcards, for security
FORBIDDEN: Do not hardcode sensitive tokens in configuration
MCP servers restart on config changes; ensure configuration is stable

GitHub Stats

Author

@anthropics

Repository

anthropics/claude-code

Stars

45152

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