Mattermost MCP Server

Item: Mattermost MCP Server
Rating: 68
Author: M8ven

MCP Server for the Mattermost API, enabling Claude and other MCP clients to interact with Mattermost workspaces.

→ conarti/mattermost-mcp · listed on glama

Is this your MCP?

Claim it to get a verified publisher badge, a free copy of our full audit findings, and direct contact for any high-priority issues we find.

Install from

Glama

M8ven verifies MCPs across every public registry — install directly from whichever one you prefer.

// 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.

🔐

You'll be asked for 1 credential: MATTERMOST_TOKEN

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@0.7.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@0.7.0GHSA-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.

configMATTERMOST_TEAM_ID— your-team-id \

🔐 secretMATTERMOST_TOKEN— your-token \

configMATTERMOST_URL— 2. Environment variables (, MATTERMOST_TOKEN, MATTERMOST_TEAM_ID)

// 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/conarti-mattermost-mcp-1awnin)](https://m8ven.ai/mcp/conarti-mattermost-mcp-1awnin)

commit: 3c6dd0d7fb4d6155b5927ec51f37b2b1f4770e07

code hash: 6c8934fd0f67434d17d807564d311c4d789f271bae40ba0da57fa18e5da66275

verified: 6/13/2026, 10:06:32 AM

view raw JSON →