cosmos-db-python-skill

SKILL.md

Build production-grade Azure Cosmos DB NoSQL services following clean code, security best practices, and TDD principles.

| references/client-setup.md | Setting up Cosmos client with dual auth, SSL config, singleton pattern | | references/service-layer.md | Implementing full service class with CRUD, conversions, graceful degradation | | references/testing.md | Writing pytest tests, mocking Cosmos, integration test setup |

| references/partitioning.md | Choosing partition keys, cross-partition queries, move operations | | references/error-handling.md | Handling CosmosResourceNotFoundError, logging, HTTP error mapping |

Build Azure Cosmos DB NoSQL services with Python/FastAPI following production-grade patterns. Use when implementing database client setup with dual auth (DefaultAzureCredential + emulator), service layer classes with CRUD operations, partition key strategies, parameterized queries, or TDD patterns for Cosmos. Triggers on phrases like "Cosmos DB", "NoSQL database", "document store", "add persistence", "database service layer", or "Python Cosmos SDK". Source: hainamchung/agent-assistant.

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