Fast Mermaid Validator MCP Server
High-performance API and Model Context Protocol (MCP) server for validating Mermaid diagrams with comprehensive security features, multiple transport options, and enterprise-grade capabilities
context tax
pending
security
100/100
cold start
pending
freshness
Slowing5mo ago
Our reading of Fast Mermaid Validator, from the data
Fast Mermaid Validator is a security MCP server from ai-of-mine.
We haven't measured its tool list yet, so its token cost is unknown.
Maintenance is slowing: the last public signal was 5 months ago (2026-05-28). For comparison, 67% of security servers are active or maintained.
With 2 GitHub stars it ranks #324 of 1,263 security servers we index.
It runs locally on your machine over stdio.
Install Fast Mermaid Validator MCP server
Install in Claude Code
claude mcp add fast-mermaid-validator -- npx -y @ai-of-mine/fast-mermaid-validator-mcpInstall in Cursor
{
"mcpServers": {
"fast-mermaid-validator": {
"command": "npx",
"args": [
"-y",
"@ai-of-mine/fast-mermaid-validator-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"fast-mermaid-validator": {
"command": "npx",
"args": [
"-y",
"@ai-of-mine/fast-mermaid-validator-mcp"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"fast-mermaid-validator": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@ai-of-mine/fast-mermaid-validator-mcp"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"fast-mermaid-validator": {
"command": "npx",
"args": [
"-y",
"@ai-of-mine/fast-mermaid-validator-mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Security signals
100/100 — no known issues found as of 2026-10-19, from the checks below. This is not a guarantee of safety; review what a server can do before connecting it.
Deductions
No findings from the checks that ran.
Checks
- ✓Repository hygiene (archived, activity, license, security policy)
- ○Package metadata (install scripts, provenance) — pending
- ○Tool descriptions (prompt-injection and hidden-text heuristics) — pending
- ○Source scan (secrets, CVEs, risky code) by vectra-guard — pending
Scan it yourself before installing with vectra-guard, the open-source agent security CLI. Scoring rules
Freshness
Slowing — last maintenance signal 5mo ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-05-28 · 5mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
no data · official registry
How it compares in Security
Against the most-starred security servers we index. Token cost is per model turn, measured from each server's live tool list.
| Server | Stars | Tools | Tokens / turn | Freshness | Runs |
|---|---|---|---|---|---|
| Fast Mermaid Validator (this) | 2 | — | not measured | Slowing | local |
| Semgrep | 17,123 | — | not measured | Active | — |
| Ida Pro | 13,002 | — | not measured | Active | — |
| Ghidra | 11,390 | — | not measured | Active | — |
| Robin: AI-Powered Dark Web OSINT | 7,591 | — | not measured | Active | local |
| Claude Code Ultimate Guide | 6,196 | — | not measured | Active | local |
FAQ
›How do I install the Fast Mermaid Validator MCP server in Claude Code?
Run: claude mcp add fast-mermaid-validator -- npx -y @ai-of-mine/fast-mermaid-validator-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Fast Mermaid Validator require an API key?
No required environment variables are declared in its published metadata.
›Can I use Fast Mermaid Validator as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Fast Mermaid Validator in the official MCP registry?
No. It was indexed from npm.
Sources and method
- GitHub repository
- fetched 2026-10-19
- Package registry (npm / PyPI)
- listed
- Security signals, computed by us
- 2026-10-19
- Last checked against all sources
- 2026-10-19
The description, packages and links come from the maintainer's own published metadata. Token cost, security signals, freshness and the reading above are MCPSkillHub's own measurements; see the methodology. Spot an error? Request a correction or claim the listing.
Alternatives to Fast Mermaid Validator
Other security MCP servers.