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1 month ago
glama

Mermaid MCP Server

Enables agents to search official Mermaid diagram syntax documentation and validate Mermaid diagram code before presenting it to users, ensuring syntactically correct flowcharts, sequence diagrams, class diagrams, and other Mermaid visualizations.

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// key findings
⚠️
Known vulnerabilities in dependencies: 3 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
⚠️
Tests do not pass
Either the test suite is broken or the code regressed. Either way the published behaviour can’t be verified by the publisher’s own tests.
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
// known CVEs in dependencies3 high3 medium1 low

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

high@modelcontextprotocol/sdk@1.23.0GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.23.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.23.0GHSA-w48q-cv73-mx4w

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

mediummermaid@11.12.1GHSA-87f9-hvmw-gh4p

Mermaid: Improper sanitization of configuration leads to CSS injection

mediummermaid@11.12.1GHSA-ghcm-xqfw-q4vr

Mermaid: Improper sanitization of `classDef` in state diagrams leads to HTML injection

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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
// 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 6 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/ziangziangziang-mcp-mermaid-17osdn)](https://m8ven.ai/mcp/ziangziangziang-mcp-mermaid-17osdn)
commit: ff3a307d15855ec99cb927fad61b700c076df563
code hash: e0c0b2c38a60c3dc0a257b5a53dc8da941c9abd592c41efdadcfb87c657cb722
verified: 6/17/2026, 12:44:54 PM
view raw JSON →
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