MCP Perplexity Server

Item: MCP Perplexity Server
Rating: 65
Author: M8ven

A MCP Perplexity API server written in Typescript with stdio and SSE transport support.

→ sibbl/mcp-perplexity-api · listed on mcp_so

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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 2 credentials: MCP_PERPLEXITY_API_KEY, MCP_SSE_AUTH_HEADER_KEY

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

// known CVEs in dependencies2 high

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

high@modelcontextprotocol/sdk@1.7.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.7.0GHSA-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.

🔐 secretMCP_PERPLEXITY_API_KEY— ENTER_YOUR_PERPLEXITY_API_KEY

configMCP_PERPLEXITY_DEFAULT_MODEL— The perplexity default model to use. Default is sonar-pro.

configMCP_PERPLEXITY_MODELS— Comma separated list of models to use. Default is sonar,sonar-pro.

configMCP_PERPLEXITY_TOOL_DESCRIPTION_SUFFIX— The suffix to use for the tool description. Empty by default.

🔐 secretMCP_SSE_AUTH_HEADER_KEY— The auth header key to use for SSE. Default is Authorization.

configMCP_SSE_AUTH_HEADER_VALUE— - =Bearer some_token_which_is_required # enables optional bearer authentication against the MCP server with hard coded value

configMCP_SSE_ENDPOINT— The endpoint to use for SSE. Default is /sse.

configMCP_SSE_PORT— The port to use for SSE. Default is 8080.

configMCP_TRANSPORT— export =stdio # optional, stdio is default

// 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 6 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/sibbl-mcp-perplexity-api-1frvoa)](https://m8ven.ai/mcp/sibbl-mcp-perplexity-api-1frvoa)

commit: 64d33765c6a2a2dac09ff70d70e18d3cb28abfb8

code hash: a7d8cf62eb0c9831173222d3a6320ac1e6c285c9333a72d9ec47f50138bbaaf7

verified: 6/28/2026, 9:15:28 AM

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