PostStack MCP Server

An MCP server for the PostStack email API that enables AI assistants to send transactional emails, manage contacts, handle inbound email threads, and perform deliverability checks through 84 curated tools.

→ getpoststack/mcp · listed on glama

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// key findings

✅

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 1 credential: POSTSTACK_API_KEY

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

// required environment variables

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

🔐 secretPOSTSTACK_API_KEY— "": "sk_live_your_api_key_here"

configPOSTSTACK_BASE_URL

configPOSTSTACK_MCP_TRACE— no Set to 1 to emit per-tool-call NDJSON telemetry to stderr

// 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.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/getpoststack-mcp-190nud)](https://m8ven.ai/mcp/getpoststack-mcp-190nud)

commit: f4cea696eebee2806b44b9bdb0d0ef19dd70e154

code hash: 4941b48ba8a7a9f4bf586660a742d387d97054b2ddfacc07e7d55b70819165a5

verified: 7/4/2026, 9:17:12 AM

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