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MapleStory MCP Server

Provides structured access to Nexon's MapleStory Open API, allowing users to query character stats, equipment, Union systems, and guild data. It also enables AI assistants to retrieve game rankings, enhancement probabilities, and official game announcements.

→ ljy9303/maplestory-mcp-server· listed on glama
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// key findings
⚠️
Known vulnerabilities in dependencies: 17 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.
🔐
You'll be asked for 1 credential: NEXON_API_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies17 high1 medium12 low

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

high@modelcontextprotocol/sdk@1.0.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.0.0GHSA-w48q-cv73-mx4w

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

highaxios@1.7.0GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

highaxios@1.7.0GHSA-3g43-6gmg-66jw

axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

highaxios@1.7.0GHSA-43fc-jf86-j433

Axios is Vulnerable to Denial of Service via __proto__ Key in mergeConfig

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.
configLOG_LEVEL— 로깅 레벨 (기본값: "info")
configMCP_PORT
🔐 secretNEXON_API_KEY— "": "여기에_발급받은_API_키_입력"
// 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/ljy9303-maplestory-mcp-server-fph491)](https://m8ven.ai/mcp/ljy9303-maplestory-mcp-server-fph491)
commit: 60a9ccabd3ea898f434fd77416a0c04e132b0313
code hash: 2112387e9773e3d11e872c3e058b90d0597cfdc6857bc938828c8e7cd60a6710
verified: 6/12/2026, 11:36:04 AM
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