EXPEDIA GROUP TECHNOLOGY — ENGINEERING Reimagining Software Engineering: LLMs, MCP, and the Dawn of a New Programming Paradigm Programming by prompting isn’t the future — operational reasoning …

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Large Language Models combined with the Model Context Protocol (MCP) could represent a fundamental shift in software development—from writing explicit code to expressing intent that intelligent agents execute. MCP provides structured, secure interfaces allowing LLMs to perform real operations: database queries, API calls, infrastructure changes, and workflow orchestration. This enables agentic systems that autonomously explore codebases, generate tests, debug issues, and even handle cross-domain tasks like booking travel or managing inventory. While challenges around trust, security, and model reliability remain, this convergence suggests a future where natural language becomes the primary abstraction layer, with developers focusing on goals rather than implementation details.

Reimagining Software Engineering: LLMs, MCP, and the Dawn of a New Programming Paradigm

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