event-catalog/mcp-server

MCP server for EventCatalog

→ event-catalog/mcp-server· npm: @eventcatalog/mcp-server· listed on npm

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// key findings

🚨

Known vulnerabilities in dependencies: 1 critical, 2 high

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

🔐

You'll be asked for 1 credential: EVENTCATALOG_SCALE_LICENSE_KEY

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

// known CVEs in dependencies1 critical2 high

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

criticalvitest@3.0.9GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

high@modelcontextprotocol/sdk@1.24.1GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.24.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

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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.

configBASE_PATH

🔐 secretEVENTCATALOG_SCALE_LICENSE_KEY

configEVENTCATALOG_URL

configMCP_TRANSPORT— Or set the environment variable to http (see [Docker Deployment Guide](./README.Docker.md) for details).

configPAGE_SIZE

configPORT— npx -y @eventcatalog/mcp-server {URL} {LICENSE_KEY} http {}

configPROXY_SERVER_URI

// 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/eventcatalog-mcp-server-1ezcpo)](https://m8ven.ai/mcp/eventcatalog-mcp-server-1ezcpo)

commit: be3847d4c99282dabe772b11184295ea2d78655e

code hash: f8228b791019ef9a40bc17d49a2ac6267fd1bc88a90eb558ea6ef845692b182b

verified: 6/9/2026, 11:02:24 AM

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