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1 month ago

glama

Excalidraw MCP Server

Run a live Excalidraw canvas and control it from AI agents.

→ Val4evr/excalidraw-zephy · 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.

🔐

You'll be asked for 1 credential: ADMIN_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// 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.

🔐 secretADMIN_API_KEY

configAUTO_SNAPSHOT_INTERVAL_MS

configAUTO_SNAPSHOT_KEEP

configCANVAS_PROXY_TIMEOUT_MS

configCANVAS_RUNTIME

configCANVAS_URL

configDATA_DIR

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

configINTERNAL_CANVAS_URL

configLOG_FILE_PATH

configLOG_LEVEL

configMCP_AGENT_COLOR— Cursor color, either a stroke hex color or JSON with background/stroke #1971c2 stroke

configMCP_AGENT_CURSOR— Show MCP tool activity as a collaborator cursor when canvas sync is enabled true

configMCP_AGENT_NAME— Collaborator label for MCP agent cursor presence MCP Agent

configMCP_REQUIRE_AUTH

configNO_COLOR

configPERSIST_DEBOUNCE_MS

configPORT— 3000 npm run canvas

configPUBLIC_BASE_URL

configROOT_REDIRECT_URL

configSYNC_DEBUG

// 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/val4evr-excalidraw-zephy-2j8t6j)](https://m8ven.ai/mcp/val4evr-excalidraw-zephy-2j8t6j)

commit: b797b2e05edb327565426c997895cf6ebf197730

code hash: 20638ada35c4fdcb2c634641758ee521e552fa4d766d721bf58aad51e01b96d1

verified: 6/11/2026, 11:13:35 AM

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