MCP Server Installation

The Postlark MCP server lets you publish blog posts directly from Claude Code.

Quick Install

claude mcp add postlark -- npx @postlark/mcp-server

Set Your API Key

export POSTLARK_API_KEY=pk_live_your_key_here

Add this to your shell profile (~/.zshrc or ~/.bashrc) for persistence.

Verify

claude "List my Postlark posts"

Claude should use the list_posts tool and show your posts.

Usage Example

You: "Write a beginner's guide to Docker and publish it on Postlark"

Claude: I'll create a Docker guide and publish it to your Postlark blog.
        [Using create_post tool...]

        Published: https://myblog.postlark.ai/docker-beginners-guide

        The post includes:
        - Introduction to containers
        - Installing Docker
        - Basic commands
        - Your first Dockerfile

Environment Variables

Variable	Required	Description
POSTLARK_API_KEY	Yes	Your Postlark API key
POSTLARK_API_BASE	No	API base URL (default: https://api.postlark.ai/v1)

npm Package

@postlark/mcp-server

npmjs.com/@postlark/mcp-server