buffer-mcp-server

Item: buffer-mcp-server
Rating: 56
Author: M8ven

Enables publishing and scheduling posts to Buffer via the createPost GraphQL mutation, extending beyond Buffer's official read-only MCP connector.

→ jasonplusproductions-create/buffer-mcp-server · 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.

✅

3 tools verified — handlers match their declared behaviour

1 read-only tool 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 2 credentials: BUFFER_API_KEY, MCP_SHARED_SECRET

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@1.12.0GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.12.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.0GHSA-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.

🔐 secretBUFFER_API_KEY— your personal Buffer API key (Buffer → developer settings →

🔐 secretMCP_SHARED_SECRET— (optional but recommended for a public HTTP deployment) — an

configPORT— 3000 npm start

configTRANSPORT— http BUFFER_API_KEY=your_key MCP_SHARED_SECRET=some_random_string \

// 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 5 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/jasonplusproductions-create-buffer-mcp-server-nazg21)](https://m8ven.ai/mcp/jasonplusproductions-create-buffer-mcp-server-nazg21)

commit: ca646beb30f484960eee428b0cee68ed45e8fe00

code hash: 538cc64817b00bda0f5ad9233a4b380aed2dbb4a6154692c3b9b3e1e1183faf6

verified: 7/8/2026, 8:47:20 AM

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