by TheEterna · MCP Server · ★ 109
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api2mcp4j Zero-to-low code MCP integration for your Spring Boot REST APIs Turn your existing Spring Boot controllers into an MCP (Model Context Protocol) server in minutes — no @Tool annotations everywhere, no rewriting business logic. ✨ Why api2mcp4j? Most MCP integrations require you to: Add / annotations to every method Duplicate or heavily refactor code Maintain separate tool descriptions api2mcp4j changes that. It automatically scans your existing / beans and exposes them as MCP tools with minimal configuration — leveraging parsers from: Swagger/OpenAPI (v2 & v3) Javadoc Spring MVC metadata Jackson Spring AI native descriptions Custom / (optional) Result: Your current REST APIs become AI-callable tools almost for free. 🔥 Key Features Non-intrusive — No need to change business code (like MyBatis-Plus enhances MyBatis) Auto-discovery — Scans controllers/services and registers method
| Stars | 109 |
| Forks | 16 |
| Language | Java |
| Category | MCP Server |
| License | Apache-2.0 |
| Quality Score | 72.5566441930571/100 |
| Last Updated | 2026-08-04 |
| Created | 2025-04-15 |
| Platforms | java, mcp |
| Est. Tokens | ~17k |
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api2mcp4j is Spring Boot Starter: Auto-convert existing REST APIs (@RestController) to MCP Server with zero/low-code. Expose controllers as MCP Tools instantly.. It is categorized as a MCP Server with 109 GitHub stars.
api2mcp4j is primarily written in Java. It covers topics such as agent, ai, framework.
You can find installation instructions and usage details in the api2mcp4j GitHub repository at github.com/TheEterna/api2mcp4j. The project has 109 stars and 16 forks, indicating an active community.
api2mcp4j is released under the Apache-2.0 license, making it free to use and modify according to the license terms.
The top alternatives to api2mcp4j on Agent Skills Hub include mcp-zap-server, n8n-claw, pgmcp. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.