Plain.com MCP Server

Item: Plain.com MCP Server
Rating: 56
Author: M8ven

Provides comprehensive access to the Plain.com API with over 70 tools for managing support threads, customers, and help centers. It enables users to handle communications, automate support workflows, and manage documentation directly through natural language.

→ tellahq/plain-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 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.

🔐

You'll be asked for 1 credential: PLAIN_API_KEY

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

// known CVEs in dependencies3 high

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

high@modelcontextprotocol/sdk@1.23.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.23.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.23.0GHSA-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.

🔐 secretPLAIN_API_KEY— "": "your-api-key"

// 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 7 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/tellahq-plain-mcp-mmmgom)](https://m8ven.ai/mcp/tellahq-plain-mcp-mmmgom)

commit: f5129713883c7415ac64254dbe4d38ea6b9dc5ba

code hash: 1c02e09db4853e0a9e013c8cd12016f920988e5d3d14fb32c3d95426da22b7bf

verified: 6/13/2026, 10:32:53 AM

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