Develop and test MCP in Postman: jhipster-mcp in action
Blog post from Postman
jhipster-mcp is an official open-source TypeScript MCP server that connects AI agents to the JHipster CLI, allowing them to convert natural-language application requirements into JDL and generate or evolve Spring Boot projects through structured tools. Requiring Node.js 20+ and a globally installed JHipster CLI, it exposes 13 lifecycle-oriented tools, reusable prompts, and resources including a JDL grammar reference and live project configuration data, with safeguards such as directory sandboxing, input validation, and isolated dry runs. The walkthrough demonstrates using Postman’s MCP client over STDIO to inspect the server’s tools, prompts, resources, JSON-RPC schemas, and raw responses without involving an AI agent, beginning with JDL validation and progressing to previewing or generating an application. Postman is presented as a practical testing environment for identifying contract problems, checking structured results and environmental warnings, and rapidly verifying changes to server capabilities after rebuilding and reconnecting. Although jhipster-mcp provides broad support for scaffolding, deployment, CI/CD, and upgrade workflows, its dependence on a locally maintained JHipster installation and its relative maturity mean individual tools should be tested before being used autonomously or in production.
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