nteract/semiotic

MCP for Semiotic, a streaming/static data visualization library

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Glama npm

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// key findings

⚠️

Known vulnerabilities in dependencies: 1 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: OPENAI_APPS_CHALLENGE_TOKEN

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

// known CVEs in dependencies1 high1 low

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

highesbuild@0.28.0GHSA-gv7w-rqvm-qjhr

esbuild: Missing binary integrity verification in Deno module enables remote code execution via NPM_CONFIG_REGISTRY

lowesbuild@0.28.0GHSA-g7r4-m6w7-qqqr

esbuild allows arbitrary file read when running the development server on Windows

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.

configMCP_ALLOWED_HOSTS— binary, exposes /mcp plus health endpoints, and supports for production

🔐 secretOPENAI_APPS_CHALLENGE_TOKEN— so HTTP mode serves the raw token from

configSEMIOTIC_AI_SCHEMA_ONLY

configSEMIOTIC_SCENE_TO_SVG

configTEST_TYPES_VERBOSE

// 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 5 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/nteract-semiotic-1unb3d)](https://m8ven.ai/mcp/nteract-semiotic-1unb3d)

commit: 626cc0836988b47bc40e190c6a514c717c34c4f7

code hash: c8d3cbc19b2bbfd2e3b0a0d3e0d0727168d893a1e386d49da801ea9e388a1fe6

verified: 6/16/2026, 12:05:06 PM

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