Azure Cosmos DB vNext Emulator Gains AI Agent Support via CLI and Skills

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Microsoft's Azure Cosmos DB vNext emulator now supports AI coding agents such as GitHub Copilot CLI, Codex, and Claude Code through its built-in Cosmos DB Shell, an open-source CLI that runs inside the emulator container. The CLI's command-based structure makes it well-suited for agent workflows, allowing agents to discover operations, execute commands non-interactively, and act on returned results. A dedicated Agent Skill called cosmosdb-emulator-vnext packages task-specific guidance to help agents inspect resources, create databases and containers, load test data, and run queries. In a demonstration, a developer prompted GitHub Copilot CLI to set up a local emulator with synthetic multi-tenant order data, and the agent autonomously created a partitioned database with 12 realistic orders spanning multiple statuses. The integration aims to reduce manual setup work, letting developers describe desired outcomes rather than writing out individual shell commands.

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