MCP Server Wrapper

A meta-MCP server that dynamically invokes any MCP server without restarting Claude Code. Add, remove, and invoke MCP servers on-the-fly.

Features

• Dynamic Server Management: Add/remove MCP servers at runtime

• Multiple Transports: Support for stdio, SSE, and HTTP streaming

• Persistent Configuration: Server configs saved to disk

• Connection Pooling: Efficient connection reuse

• Zero Restart: No need to restart Claude Code when adding new MCPs

Related MCP server: Fastn Server

Installation

Via npm (recommended)

npx mcp-server-wrapper

Via Claude Code

claude mcp add mcp-wrapper -- npx mcp-server-wrapper

Manual Configuration

Add to your Claude Code configuration (~/.claude.json):

{
  "mcpServers": {
    "mcp-wrapper": {
      "command": "npx",
      "args": ["mcp-server-wrapper"]
    }
  }
}

Tools

mcp_list_servers

List all registered MCP servers and their connection status.

mcp_add_server

Add a new MCP server configuration.

Parameters:

• id (required): Unique identifier

• name (required): Human-readable name

• transport (required): stdio, sse, or http-stream

• command: Command for stdio transport

• args: Command arguments for stdio

• url: URL for SSE/HTTP transport

• env: Environment variables

• headers: HTTP headers

• enabled: Enable/disable server

• persist: Save to config file (default: true)

Example - stdio:

{
  "id": "context7",
  "name": "Context7",
  "transport": "stdio",
  "command": "npx",
  "args": ["-y", "@upstash/context7-mcp@latest"]
}

Example - HTTP stream:

{
  "id": "deepwiki",
  "name": "Deepwiki",
  "transport": "http-stream",
  "url": "https://mcp.deepwiki.com/mcp"
}

mcp_remove_server

Remove an MCP server configuration.

Parameters:

• server (required): Server ID to remove

• persist: Remove from config file (default: true)

mcp_list_tools

List available tools from an MCP server.

Parameters:

• server: Server ID (lists all if not specified)

• pattern: Filter tools by name pattern

mcp_invoke

Invoke any tool from any registered MCP server.

Parameters:

• server (required): Server ID

• tool (required): Tool name

• arguments: Tool arguments

• timeout: Timeout in milliseconds

Usage Examples

Add and use Context7

1. mcp_add_server: id=context7, transport=stdio, command=npx, args=["-y", "@upstash/context7-mcp@latest"]
2. mcp_list_tools: server=context7
3. mcp_invoke: server=context7, tool=resolve-library-id, arguments={libraryName: "react"}

Add and use Deepwiki

1. mcp_add_server: id=deepwiki, transport=http-stream, url=https://mcp.deepwiki.com/mcp
2. mcp_invoke: server=deepwiki, tool=ask_question, arguments={repoName: "facebook/react", question: "What is useEffect?"}

Supported Transports

Configuration File

Server configurations are persisted to:

• Windows: %USERPROFILE%\Documents\Project\MCP\mcp-wrapper\config\servers.json

• macOS/Linux: ~/Documents/Project/MCP/mcp-wrapper/config/servers.json

Development

# Clone repository
git clone https://github.com/veithly/mcp-server-wrapper.git
cd mcp-server-wrapper

# Install dependencies
pnpm install

# Build
pnpm run build

# Development mode
pnpm run dev

Requirements

• Node.js >= 18

• Claude Code or any MCP-compatible client

License

MIT

Author

Rick (veithly@live.com)

Links

• GitHub Repository

• npm Package

• MCP Protocol