Turn APIs into MCP servers without code
API Tools & Testing
Turn APIs into MCP servers without code
Hi HN! We built Zalor. It turns an OpenAPI spec into an MCP server, so you can make your APIs callable by Claude or ChatGPT without writing any code. Here's a list of specs you can try: https://github.com/ZalorAI/test-data/tree/main/openapi , but feel free to
What is Turn APIs into MCP servers without code?
Zalor is an open-source tool that converts OpenAPI specifications into MCP (Model Context Protocol) servers without requiring code. This enables developers to make their existing APIs directly callable by Claude, ChatGPT, and other AI assistants. The tool streamlines API integration by automating the transformation process—users simply provide an OpenAPI spec and Zalor handles the conversion to an MCP server. This eliminates manual coding typically required to expose APIs to AI models, reducing development time and technical barriers. Zalor is designed for developers, API maintainers, and teams looking to enable AI assistants to interact with their services. It supports a wide range of OpenAPI specifications, with sample specs available for testing and exploration. As an open-source project, Zalor offers transparency and community-driven development. It addresses a specific need in the growing AI integration landscape: making existing APIs AI-ready without substantial engineering effort. The tool is particularly useful for organizations with well-documented APIs seeking quick AI assistant integration without building custom connectors or adapters.
Key Features
- Convert OpenAPI specifications into MCP servers instantly without writing code
- Make any API callable directly by Claude or ChatGPT
- Support for multiple pre-built OpenAPI specs ready to test
- Zero-code integration for seamless API connectivity
- Enable AI assistants to interact with your APIs natively
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