fcp-drawio (os-tack/fcp-drawio) is an MCP server listed on the M8ven Trust Index. M8ven has not graded it yet. No publisher has claimed this listing.
MCP server that enables LLMs to create and edit draw.io diagrams using high-level intent commands, with automatic layout and styling.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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os-tack
Source: Glama
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Install from
The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
When Vitest UI server is listening, arbitrary file can be read and executed
fast-xml-parser affected by numeric entity expansion bypassing all entity expansion limits (incomplete fix for CVE-2026-26278)
fast-xml-parser XMLBuilder: XML Comment and CDATA Injection via Unescaped Delimiters
Entity Expansion Limits Bypassed When Set to Zero Due to JavaScript Falsy Evaluation in fast-xml-parser
Production dependencies are patched
0 critical, 1 high severity in production deps — fast-xml-parser@4.5.4 (high), fast-xml-parser@4.5.4 (low)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
Dev dependencies
1 critical/high in dev-only deps (does not ship to users)
Upgrade dev dependencies when convenient.
Domain consistency
npm scope @ostk-ai doesn't match GitHub owner os-tack
Use the same org name across GitHub, npm, and your homepage so users can verify the publisher.
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