Buffer MCP Server

Item: Buffer MCP Server
Rating: 52
Author: M8ven

MCP server for Buffer social media API, allowing management of posts, channels, organizations, and ideas through natural language.

→ damusix/buffer-mcp · listed on glama

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// key findings

🚨

Known vulnerabilities in dependencies: 2 critical, 5 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

🔐

You'll be asked for 1 credential: BUFFER_ACCESS_TOKEN

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

// known CVEs in dependencies2 critical5 high1 medium

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

criticalvite-plus@0.1.15-alpha.5GHSA-g8mr-85jm-7xhm

Vitest Browser: Exposed Browser Mode API Can Proxy CDP and Overwrite Config Files, Leading to RCE

criticalvitest@3.1.1GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

high@modelcontextprotocol/sdk@1.12.1GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.12.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.1GHSA-w48q-cv73-mx4w

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

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// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretBUFFER_ACCESS_TOKEN— Yes Your Buffer API access token. Get one from [Buffer Developer Settings](https://developers.buffer.com).

configBUFFER_RATE_LIMIT

// 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 8 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/damusix-buffer-mcp-1i9s71)](https://m8ven.ai/mcp/damusix-buffer-mcp-1i9s71)

commit: 43fe8e401d47d53bab012c82fda20bd2a0cd9107

code hash: 5221903eca2999c00a8e28444223fd58e052403a6f50f5211c9f742110b1e8af

verified: 7/22/2026, 8:45:52 AM

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