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Markup AI (formerly Acrolinx)

AI content guardrails that gate output from any model before publish

Overview

Acrolinx rebranded to Markup AI in 2026, and the product now works as a post-generation guardrail. Its MCP server checks content from Claude, ChatGPT or your own model against your style guide and returns a readiness score with flagged issues before you publish. Most brand-voice tools push rules into the prompt and never grade the result; this one grades it.

Key Features

  • Real-time editorial guidance in 50+ authoring tools
  • Centralized terminology and brand language management
  • Content analytics and improvement tracking
  • Regulatory compliance checking
  • API and SDK for custom integrations