Fully managed NoSQL and relational database for modern app development with unlimited and instant scalability. Get news and updates from the team and community.

Joined April 2017
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Azure Cosmos DB Conf 2026 is for developers. Hear from Corporate Vice President for Azure Databases at @Microsoft ,@ShireeshThota on what you can expect at Azure Cosmos DB Conf 2026—from global scale to agentic AI and real-world architectures. April 28 9AM PT - Streaming Live on YouTube Register free for updates: aka.ms/cosmosconfreg #AzureCosmosDB #AzureCosmosDBConf #AzureDocumentDB
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Two new toolkits for Azure Cosmos DB, both aimed at the same problem: agents that forget. The Agent Memory Toolkit gives your agents durable memory, so context survives past the current turn. The Agentic Retrieval Toolkit is a reference architecture for multi-step RAG, where the agent retrieves, checks what's missing, and goes back for more before answering. Learn more: msft.it/6010vjmAa #MSBuild #AzureCosmosDB
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Pamela Fox (Principal Cloud Advocate, Python at Microsoft) builds an identity-aware MCP server in Python. 🐍 • Entra ID OAuth • FastMCP • Azure Cosmos DB Python SDK • Partition key design for per-user isolation • Role-based access via Microsoft Graph The MCP-on-Cosmos blueprint for Python devs. Link in comments 👇 #AzureCosmosDB #AzureCosmosDBConf #Python #MCP #EntraID #Developers
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Enterprise AI built on Azure Cosmos DB 📺 @officedepot's Personal Assistant: Mick Feller (Distinguished Software Engineer, The ODP Group) on time-series HR profile data, hands-off scaling as adoption doubled, and why autoscale sealed the choice. Link in thread 🧵 #AzureCosmosDB #AzureCosmosDBConf #EnterpriseAI
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With the public preview of Safe Key Rotation in Azure Cosmos DB, you can: - See when each key was last used - Rotate or disable keys with confidence - Reduce the risk of breaking dependent apps Learn more: msft.it/6019vb4EB
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Introducing the Azure Cosmos DB Cost Estimator (public preview) msft.it/6016vbNaE In under 2 minutes, you can: - Start from a real workload (AI chat, RAG, catalog, etc.) - Get a $/month estimate - See exactly what’s driving cost (regions, RU/s, storage, vectors) 👉 Try it: msft.it/6017vbNa1
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Customer story, but technical. Watch the PepsiCo Build session. msft.it/6011vZ285 #MSBuild #AzureCosmosDB #CustomerStories
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We just announced Distributed Transactions in Azure Cosmos DB! msft.it/6018vbNMm With a single API call, developers can commit writes atomically across partitions, containers, and databases, and more.
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Every RU lands on a CPU core ⚡ Steve Berg (@AMD CVP) × Kirill Gavrylyuk (@kirillg_msft) on the silicon behind Azure Cosmos DB — 3D V-Cache, higher core counts, and how @AMD@Microsoft co-engineering powers autoscale, RU pooling, and serverless. Link in thread 🧵 #AzureCosmosDB #AzureCosmosDBConf #AMD
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Database design choices show up fast in AI app performance. Watch “From rows to reasoning.” msft.it/6017vZFfL #MSBuild #AzureCosmosDB #AIApps
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Missed #MSBuild last week? Hear how PepsiCo built their data layer to power agentic AI applications across the enterprise: msft.it/6012vb278. Using the right database for the right job (Azure SQL DB, Azure Cosmos DB, PostgreSQL on Azure), Pepsi built a practical path for agentic RAG architecture, leveraging features like vector indexing and semantic search, to streamline app development and enable faster, repeatable patterns. #MSBuild #AzureCosmosDB #MultiAgent
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What powers a managed cloud database built on open source? Watch our Azure DocumentDB on-demand session. msft.it/6012vZFsg #MSBuild #AzureDocumentDB #OpenSource
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Production is where great AI ideas get tested. Watch our Build session on reliable multi-agent apps to see how Azure Cosmos DB supports agent memory, retrieval, coordination, and semantic reranking for low-latency responses at scale. msft.it/6010vb2se #MSBuild #AzureCosmosDB #MultiAgent
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From intent → insight. AI-assisted Azure Cosmos DB in VS @Code (Public Preview) helps you explore data, generate queries, and understand schemas without leaving your editor. Natural language → production-ready queries. msft.it/6018vb2ow #AzureCosmosDB #VSCode
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