Twelve Data MCP Server

Item: Twelve Data MCP Server
Rating: 74
Author: M8ven

Enables fetching real-time and historical market data including forex, precious metals, cryptocurrencies, and stocks using the Twelve Data API.

→ sherajdev/twelvedata-mcp-server · listed on glama

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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.

✅

7 tools verified — handlers match their declared behaviour

7 read-only tools verified — handlers contain no write/delete/exec

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

🔐

You'll be asked for 1 credential: TWELVEDATA_API_KEY

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

// known CVEs in dependencies1 high

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

high@modelcontextprotocol/sdk@1.0.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

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.

configPORT— TWELVEDATA_API_KEY="your_key" TRANSPORT=http =3000 npm start

configTRANSPORT— TWELVEDATA_API_KEY="your_key" =http PORT=3000 npm start

🔐 secretTWELVEDATA_API_KEY— export ="your_api_key_here"

// 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 4 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/sherajdev-twelvedata-mcp-server-888lo1)](https://m8ven.ai/mcp/sherajdev-twelvedata-mcp-server-888lo1)

commit: 17da1bc367fd865b8ee4ad1097ced2b3ddaba876

code hash: ba11a15a3e49de7dddd9286b2a0c406a0cb07cc0bce7624c8fbbe3e0508beabd

verified: 7/21/2026, 8:41:45 AM

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