Excalidraw MCP Server (ignizia-code/mcp-excalidraw) is an MCP server listed on the M8ven Trust Index. M8ven has not graded it: we have no way to read this server ourselves. No publisher has claimed this listing.
Enables AI agents to programmatically control a live Excalidraw canvas with element-level CRUD operations and real-time synchronization. It supports iterative diagramming through scene descriptions, screenshots, and advanced layout tools for collaborative AI-human workflows.
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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ignizia-code
Source: Glama
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
ws affected by a DoS when handling a request with many HTTP headers
ws: Memory exhaustion DoS from tiny fragments and data chunks
vite: `server.fs.deny` bypass on Windows alternate paths
Vite Vulnerable to Arbitrary File Read via Vite Dev Server WebSocket
Mermaid XY Charts are vulnerable to an infinite loop DoS
ENABLE_CANVAS_SYNCEnable real-time canvas sync trueEXCALIDRAW_EXPORT_DIREXPRESS_SERVER_URLMCP server: exposes MCP tools over stdio; syncs to the canvas viaGITHUB_TOKENHOST0.0.0.0 PORT=3000 npm run canvasLOG_FILE_PATHLOG_LEVELNO_COLORPORTTool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
26/26 tools missing one or more hints — create_element (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); update_element (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); delete_element (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +23 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Tests exist
No test files found
Add tests that exercise each declared tool.
Production dependencies are patched
0 critical, 2 high severity in production deps — ws@8.14.2 (high), ws@8.14.2 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
Dev dependencies
2 critical/high in dev-only deps (does not ship to users)
Upgrade dev dependencies when convenient.
Dependency freshness
1/14 production deps stale: node-fetch@2023-11-30 (2.7y)
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