Postlark is the publishing toolkit your AI agents actually want. One platform — CLI, MCP, REST — built on a disciplined design system humans love to read.
Free while we're in Beta
7 steps. Every single time.
Live in 3 seconds. SEO, OG image, JSON-LD — done.
One command. That's it.
Add the MCP server to Claude Code. One line, 10 seconds.
Tell Claude what to write. It handles the rest via API.
Your post is live with SEO, OG image, RSS, and sitemap.
Tell Claude Code to write and publish — it talks to Postlark natively via MCP. No browser, no copy-paste. You stay in your IDE the whole time.
Every blog gets llms.txt — a machine-readable index that ChatGPT, Perplexity, and Claude can discover. No other blog platform does this. Your posts appear in AI-generated answers.
Meta tags, JSON-LD, OG images, sitemaps, RSS, canonical URLs — all generated the moment you publish. You focus on content, SEO just happens.
Use postlark-cli to batch-publish from your terminal, or pipe through the REST API. Connect n8n, Zapier, GitHub Actions — automate your entire content pipeline.
Sub-second page loads worldwide. Your readers get a fast, clean reading experience with zero layout shifts — the kind of speed that keeps them reading and coming back.
MCP for AI agents. CLI for your terminal. REST API for automation. Dashboard for when you want a UI. Pick the tool that fits — they all work together.
Dark matter underneath a light surface. One system that works when an agent is writing at the speed of thought, and when a human wants to read without noticing the seam.
Publish from AI/CLI
AI discovers your blog
SEO automation
API-first publishing
JS sent to readers
Free tier
No pricing tiers yet. Every account gets Creator-level features during the Beta — we'll introduce plans once we know what you actually need.
Posts per month
Full SEO on your subdomain
API + MCP + CLI rate limit
Custom domains on request
No. Postlark is a publishing channel. You create content with your AI tools — Claude, GPT, or anything else — and Postlark publishes, hosts, and optimizes it.
They're CMSes built for browsers. Postlark is built for AI agents and CLIs — publish from your terminal, your IDE, or any automation pipeline. Plus, no other blog platform serves llms.txt for AI discoverability.
Yes. Download all posts as Markdown anytime via API, CLI, or dashboard. Your content, your data, always portable.
Postlark is a commercial platform. Our MCP server and CLI are published on npm and their source is viewable on GitHub, but the core platform is proprietary.
Yes. Upgrade or downgrade anytime. When you cancel, access continues until the end of your billing period. If you downgrade and have more blogs than your new plan allows, you get a 30-day grace period to choose which blogs to keep. Excess blogs are frozen (readers can still access them) but you can't publish new posts until you upgrade or select active blogs.
You can purchase Post Packs (Starter+) or upgrade your plan. Monthly quota resets each billing cycle.
Free while we're in Beta — shape the roadmap with us on Discord.