ouvreboite/openapi-to-mcp

Overview

Converts OpenAPI specifications into MCP servers, enabling AI assistants to directly call your API endpoints through the Model Context Protocol. Implemented in C#, it exposes any OpenAPI-compliant API as an MCP server with minimal configuration.

Best for

Best for
Developers wanting to quickly connect their OpenAPI-defined APIs to MCP-compatible AI agents

Use cases

• Expose existing REST APIs to AI assistants via MCP
• Quickly create MCP servers from OpenAPI specs
• Integrate AI models with your API without custom glue code

Notes

Converts OpenAPI specifications into MCP servers, enabling AI assistants to directly call your API endpoints through the Model Context Protocol. Implemented in C#, it exposes any OpenAPI-compliant API as an MCP server with minimal configuration.

33 stars on GitHub. Last updated 2025-07-15. Licensed MIT.

Use cases

• Expose existing REST APIs to AI assistants via MCP
• Quickly create MCP servers from OpenAPI specs
• Integrate AI models with your API without custom glue code

Pros

• Automatic generation from OpenAPI specs reduces manual work
• Uses standard MCP protocol for broad AI tool compatibility
• Simple setup with existing OpenAPI definitions

Cons

• Limited to OpenAPI spec requirements; may not handle non-standard APIs
• Small community (33 stars) with potentially limited support
• C# dependency may not suit all environments

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.