relay-mcp

Item: relay-mcp
Rating: 74
Author: M8ven

Self-hosted session relay for Claude enabling shared message threads across multiple Claude surfaces like Code, Chat, and Cowork, allowing seamless state transfer without manual copy-paste.

→ zhowe-designs/relay-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 2 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.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 1 credential: RELAY_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies2 high

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

high@modelcontextprotocol/sdk@1.0.4GHSA-w48q-cv73-mx4w

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

highwrangler@4.0.0GHSA-36p8-mvp6-cv38

Wrangler affected by OS Command Injection in `wrangler pages deploy`

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretRELAY_API_KEY— Static Bearer for Claude Code and Cowork: Authorization: Bearer <>. Simplest possible. No browser flow.

configRELAY_URL— Replace <> with your deployed URL and <RELAY_API_KEY> with the secret you set above.

configSMOKE_READY_TIMEOUT_MS

// 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 3 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/zhowe-designs-relay-mcp-esqxjk)](https://m8ven.ai/mcp/zhowe-designs-relay-mcp-esqxjk)

commit: d29db24e3de39dcda72a90bfc601488f64ee8158

code hash: f015f8132958243bda59dbbf7913be8764e6dabf99498e2a683ea0a80748f149

verified: 7/29/2026, 9:19:13 AM

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