Corelayer0 – Turn any OpenAPI spec into a hosted MCP server (corelayer0.com)

Corelayer0 has unveiled a revolutionary service that simplifies the integration of large language models (LLMs) with APIs by automatically generating hosted Model Control Protocol (MCP) servers from OpenAPI specifications. Users can simply upload their OpenAPI spec in JSON or YAML format, and in return, they receive a stable MCP URL ready for use with popular LLM clients such as Claude, ChatGPT, and Mistral. This automation eliminates the need for managing repetitive MCP server infrastructure, preserving authentication, schemas, and error handling while ensuring that user data and API logic remain intact. This development is significant for the AI/ML community as it streamlines the process of connecting LLMs to various APIs, reducing both time and cost associated with custom server implementation. Each endpoint becomes a well-defined MCP tool without exposing sensitive credentials, thanks to server-side injection of tokens. The platform operates under stringent EU data protection regulations, ensuring privacy and compliance, which is crucial for organizations handling sensitive information. With features like automated regeneration of MCP tools upon updates and structured logging for observability, Corelayer0 is positioning itself as a game-changer for developers looking to leverage AI while maintaining control over their API environments.