Aggregates multiple child MCP servers into a single MCP server endpoint, enabling clients to use various tools (e.g., filesystem, Brave Search) through one interface.
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
When Vitest UI server is listening, arbitrary file can be read and executed
Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening
@hono/node-server has authorization bypass for protected static paths via encoded slashes in Serve Static Middleware
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
[](https://m8ven.ai/mcp/jj13jp-mcp-gateway-uymj88)