Excalidraw MCP Server

Enables AI agents to programmatically control a live Excalidraw canvas through element-level CRUD operations and real-time synchronization. It allows agents to iteratively build, inspect, and refine diagrams while providing visual feedback via screenshots and scene descriptions.

→ kakacoding1/mcp_excalidraw · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 2 high

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

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

// known CVEs in dependencies2 high5 medium6 low

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

highws@8.14.2GHSA-3h5v-q93c-6h6q

ws affected by a DoS when handling a request with many HTTP headers

highvite@6.3.5GHSA-p9ff-h696-f583

Vite Vulnerable to Arbitrary File Read via Vite Dev Server WebSocket

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

mediummermaid@11.12.1GHSA-xcj9-5m2h-648r

Mermaid: Improper sanitization of `classDefs` in diagrams leads to CSS injection

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configENABLE_CANVAS_SYNC— Enable real-time canvas sync true

configEXCALIDRAW_EXPORT_DIR

configEXPRESS_SERVER_URL— MCP server: exposes MCP tools over stdio; syncs to the canvas via

configHOST

configLOG_FILE_PATH

configLOG_LEVEL

configNO_COLOR

configPORT— 3000 npm run canvas

// 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/kakacoding1-mcp-excalidraw-1y4y6j)](https://m8ven.ai/mcp/kakacoding1-mcp-excalidraw-1y4y6j)

commit: baaab2c11838eefd63f14a6394790f079cb9964f

code hash: cb038cc57f6ce698fd038ab7b5663221a4d988e09002aa4677c8381754edcee8

verified: 6/15/2026, 2:25:06 PM

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