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MCP WebSocket Server

A WebSocket-based MCP server that enables mail operations including retrieval, search, and statistics for email addresses. Can be deployed on Render.com or run locally.

→ henrydyson/mcp-websocket-server· listed on glama
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// key findings
⚠️
Known vulnerabilities in dependencies: 4 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
// known CVEs in dependencies4 high3 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@0.5.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@0.5.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

highws@8.16.0GHSA-3h5v-q93c-6h6q

ws affected by a DoS when handling a request with many HTTP headers

highws@8.16.0GHSA-96hv-2xvq-fx4p

ws: Memory exhaustion DoS from tiny fragments and data chunks

lowexpress@4.18.2GHSA-qw6h-vgh9-j6wx

express vulnerable to XSS via response.redirect()

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// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
configPORT— Automatically uses environment variable
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 5 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/henrydyson-mcp-websocket-server-181amm)](https://m8ven.ai/mcp/henrydyson-mcp-websocket-server-181amm)
commit: f9bd3051b7a92c37bada5ee709115d91c81eadf9
code hash: adcd409b0573f4f05c086d91904e71988afd809bf56c9635c027cdb66f5213a1
verified: 6/17/2026, 12:44:21 PM
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