eBay MCP Server

Item: eBay MCP Server
Rating: 56
Author: M8ven

Enables eBay sellers to manage inventory, view orders, handle messages, and browse listings through AI assistants using eBay seller APIs.

→ cyxg66au/ebay-mcp-project · listed on glama

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// key findings

🚨

Secret credentials may flow to a network call

2 flows detected: EBAY_REFRESH_TOKEN. We can’t prove the destination matches the brand the credential belongs to.

⚠️

Known vulnerabilities in dependencies: 3 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

🔐

You'll be asked for 1 credential: EBAY_REFRESH_TOKEN

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

// known CVEs in dependencies3 high

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

high@modelcontextprotocol/sdk@1.13.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.13.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.13.0GHSA-w48q-cv73-mx4w

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

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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.

configEBAY_CLIENT_ID— Your eBay application client ID

🔐 secretEBAY_REFRESH_TOKEN— OAuth refresh token for your seller account

configPORT

// 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 7 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/cyxg66au-ebay-mcp-project-hgpsgn)](https://m8ven.ai/mcp/cyxg66au-ebay-mcp-project-hgpsgn)

commit: 4972908ef70e77fd4d298790ea1809d4cd3bc2b8

code hash: 18ae9e9700094f76c1434c058c238c2c6b9408d1903809d0dcb56090da6e34df

verified: 6/29/2026, 11:18:20 AM

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