Frontmatter Core

Frontmatter Core serves as a specialized data layer for Astro and Markdown projects, transforming static files into a typed JSON content model. It facilitates headless CMS integration via web and CLI platforms while maintaining existing frontend build processes.

• Supports multiple input formats including Astro, Markdown, and YAML.
• Provides a clean, typed JSON content model for API development.
• Available as both a web platform and a CLI tool for developer flexibility.
• Operates as a free and open-source solution for content workflow automation.

Ideal for: Frontmatter Core is ideal for frontend developers and open-source maintainers who need to bridge static content with external CMS tools through typed data models.

Frontmatter Core provides a dedicated data layer for Astro projects, unlike generic static site generators that do not offer typed JSON output for external CMS integration.