Scalix World vs The Posting Substack API

Scalix World is the AI-native neocloud: database, AI inference, functions, containers, and storage on one platform, operable by humans and AI agents.

The posting API for Substack authors. Draft, publish, and schedule posts via Python SDK, CLI, or MCP, without the browser editor.

About Scalix World

Scalix World is the AI-native neocloud: database, AI inference, functions, containers, and storage on one platform, operable by humans and AI agents. And it speaks MCP, so your AI agents can set up, deploy, and run everything for you, not just write the code. Every Scalix service is exposed through the Model Context Protocol: 50 tools covering database, computers, services, storage, functions, KV, events, cron, domains, builds, and auth. Provision a database branch, run migrations, and query it, in one agent session .

About The Posting Substack API

The posting API for Substack authors. Draft, publish, and schedule posts via Python SDK, CLI, or MCP, without the browser editor. All agents supported Works with Claude, Codex, Cursor, and OpenCode . If you write and publish a newsletter, this is for you. Connect your publication, authenticate with your session, and post without living in the browser editor. Optional link attachment is created first, then the note is posted.\n\nPython: create_note()\nCLI: create-note\nMCP: create_note\nRate limit: 1 request per second\n\n# Create note, Request\nPublish a Substack Note (feed comment).