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Highlights

In memory of the man who put red and green squiggles under words

Starting in Word and expanding to nearly every other word processor, and even things that aren't word processors.
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Stop overloading your skills

You built a skill for your technology. API references, authentication flows, SDK patterns, error handling, version info, all packed into one skill. The agent calls it, gets all that context, and generates code. The kicker? You've just wasted a lot of tokens. It already knows Models have...
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Jun 2, 2026
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Azure Cosmos DB MCP Toolkit Is Now Generally Available — Bringing Your Database to AI Agents at Scale

Sajeetharan Sinnathurai
Since we introduced the Azure Cosmos DB MCP Toolkit at Ignite 2025 in preview, the response has been clear: developers want a straightforward way to connect AI agents to their production databases. Customers asked for stability, broader embedding provider support, and a smoother path from...
Azure Cosmos DB Blog
Jun 2, 2026
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Announcing General availability of the Azure Cosmos DB vNext emulator

Abhishek Gupta
The Azure Cosmos DB vNext emulator is generally available today. It ships as a Docker image that runs on Linux, macOS, and Windows, on both x64 and ARM64 architectures, giving you a local Cosmos DB instance you can develop and test against. Use it for inner-loop development on your...
Azure Cosmos DB Blog
Jun 2, 2026
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Announcing the Public Preview of Semantic Reranker in Azure Cosmos DB for NoSQL

James Codella
Today we’re thrilled to announce the public preview of Semantic Reranker in Azure Cosmos DB for NoSQL, a new AI-powered capability that improves the relevancy of your search results with just a few lines of code. If you’ve ever run a vector, full-text, or hybrid search and wished the...
Azure Cosmos DB Blog
Jun 2, 2026
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Announcing General Availability of Azure Cosmos DB Global Secondary Indexes

Justine Cocchi
Have you ever needed to evolve your read patterns without losing efficiency? Maybe your app started with one access pattern, but now you need three, and the queries that don't hit your partition key are getting slower and more expensive every month. We built global secondary indexes...
Azure Cosmos DB Blog
Jun 2, 2026
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Azure DocumentDB MCP Toolkit: Agentic AI for MongoDB-Compatible Workloads

Khelan Modi
Developers are moving quickly to build AI-powered experiences, but there is a gap between what an agent can say and what it can actually do. To be useful, an agent needs secure access to live systems, real data, and the same operational context developers already rely on. That is why we...
Azure DocumentDB Blog
Jun 2, 2026
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New Toolkits for Agent Memories and Agentic Retrieval in Azure Cosmos DB

James Codella
Today we’re thrilled to announce the public preview of two new toolkits for Azure Cosmos DB: the Agent Memory Toolkit and the Agentic Retrieval Toolkit. If you’re building AI agents and retrieval-augmented generation (RAG) apps, these toolkits are designed to take you from prototype...
Azure Cosmos DB Blog
Jun 2, 2026
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Announcing Public Preview of Safe Key Rotation in Azure Cosmos DB

Iria Osara
In our previous post, we introduced the private preview of Safe Key Rotation, a feature that helps Azure Cosmos DB customers avoid service disruptions during key rotations. By showing when each account key was last used, it helps teams make informed decisions before rotating keys...
Azure Cosmos DB Blog
Jun 2, 2026
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Announcing the Public Preview of the Azure Cosmos DB Cost Estimator for NoSQL

Meredith Moore
Today, we're thrilled to announce the public preview of the Azure Cosmos DB Cost Estimator, a new sizing and pricing experience that takes developers from a blank page to a defensible monthly cost estimate in minutes.  Sizing an Azure Cosmos DB workload has always been one of...
Azure Cosmos DB Blog
Jun 2, 2026
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Announcing Public Preview of Distributed Transactions in Azure Cosmos DB for NoSQL

Sushant Rane
In modern cloud-native applications, correctness is often hardest to maintain at the exact moment a workflow crosses boundaries. A checkout flow writes an order in one place; decrements inventory in another and emits an audit event somewhere else. A money movement workflow debits one...
Azure Cosmos DB Blog