StyleMCP

StyleMCP checks AI-generated drafts against brand rules and can rewrite copy to follow a brand voice. Its Learn My Voice feature analyzes supplied content to create custom style rules, while real-time validation returns scores, rule violations, and actionable fixes. Users can start with SaaS, E-commerce, Healthcare, or Finance style packs, or define custom rules in YAML. The AI Trust Layer is described as identifying voice drift, compliance risks, and hallucination patterns. StyleMCP connects with Claude and Cursor through MCP and also provides a REST API, CLI, and GitHub Actions support for CI/CD. The maker says it works with Claude, GPT, Llama, and any model. The core validation engine is open source and can be run on a user's own infrastructure with Docker Compose. The free plan includes 5,000 requests per month; Pro costs $9 a month and includes 25,000 requests. Each validate, rewrite, or batch API call counts toward usage, with batch requests counted by items processed. Once a quota is exceeded, API requests return a 429 error until the quota resets on the first of the month. Paid options include higher monthly request allowances, custom style packs, analytics, and team features.

StyleMCP combines brand-rule validation and rewriting with several integration options and a self-hosted engine. Its request quotas, including how batch items count, are important to consider when choosing a plan.

It suits marketing and content teams, engineering and documentation teams, and support and product teams that need to check drafts against brand rules. Teams can use the hosted plans or run the open-source validation engine on their own infrastructure.