A reference implementation of an MCP server built with Express that integrates full OAuth 2.1 authorization and RFC9728 protected resource metadata. It enables secure, authenticated communication between MCP clients and servers using streamable HTTP transport and built-in authorization flows.
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
uuid: Missing buffer bounds check in v3/v5/v6 when buf is provided
process.env. You'll be asked to provide them before it can run. Since this is a local server, you set these in your own MCP client configuration and they stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.AUTH_ISSUER— 授权服务器 issuer（可与 MCP 同源） http://localhost:3000JWT_SECRET— HS256 密钥（生产建议 RS256 + JWKS） 至少 32 字符MCP_RESOURCE_URI— MCP 资源 canonical URI（用于 aud 校验与 metadata） http://localhost:3000PORT— HTTP 端口 3000[](https://m8ven.ai/mcp/yylgit-mcp-gateway-demo-a5xisg)?variant=verified from the URL.Vetting this one by hand? Tool Check is an MCP that scores other MCPs. Add it once and ask Claude, ChatGPT, or any MCP client to grade a server, surface CVEs, check the publisher, and suggest safer alternatives — before you install.
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