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Azure Cosmos DB SDK for Python (NoSQL API).
Passed 22 of 22 test cases with the skill, and 16 of 22 without it.
and 4 more in the full report
6 fixed16 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 6 test cases the skill fixed. Same model, same prompt, with and without the skill.
Write a Python code block that connects to Cosmos DB account 'https://myacc.documents.azure.com:443/', retrieves or creates database 'appdb', and retrieves or creates container 'logs' partitioned by '/level'.
| Checked | Without skill | With skill |
|---|---|---|
| Authenticates using DefaultAzureCredential with CosmosClient | Missed | Passed |
| Calls create_container_if_not_exists with PartitionKey(path='/level') | Passed | Passed |
The instructions your model reads when the skill loads.
Client library for Azure Cosmos DB NoSQL API — globally distributed, multi-model database.
pip install azure-cosmos azure-identity
COSMOS_ENDPOINT=https://<account>.documents.azure.com:443/ # Required for all auth methods
COSMOS_DATABASE=mydb # Required for all auth methods
COSMOS_CONTAINER=mycontainer # Required for all auth methods
AZURE_TOKEN_CREDENTIALS=prod # Required only if DefaultAzureCredential is used in production
🔑 Two rules apply to every code sample below:
- Prefer
DefaultAzureCredential. It works locally (Azure CLI / VS Code / Developer CLI) and in Azure (managed identity, workload identity) with no code change. Avoid connection strings, account/API keys — they bypass Entra audit and rotation.
- Local dev:
DefaultAzureCredentialworks as-is.- Production: set
AZURE_TOKEN_CREDENTIALS=prod(orAZURE_TOKEN_CREDENTIALS=<specific_credential>) to constrain the credential chain to production-safe credentials.- Wrap every client in a context manager so HTTP transports, sockets, and token caches are released deterministically:
- Sync:
with <Client>(...) as client:- Async:
async with <Client>(...) as client:andasync with DefaultAzureCredential() as credential:(fromazure.identity.aio)Snippets may abbreviate this setup, but production code should always follow both rules.
import os
from azure.identity import DefaultAzureCredential, ManagedIdentityCredential
from azure.cosmos import CosmosClient
# Local dev: DefaultAzureCredential. Production: set AZURE_TOKEN_CREDENTIALS=prod or AZURE_TOKEN_CREDENTIALS=<specific_credential>
credential = DefaultAzureCredential(require_envvar=True)
# Or use a specific credential directly in production:
test cases passed, vs 16 / 22 without
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