pydantic-settings has 398.8M monthly downloads and 1K GitHub stars. Version 2.14.2 supports Python 3.10+, first published in 2019.
It is actively maintained under a permissive license, last released in Jun 2026.
It is built on top of pydantic, python-dotenv and typing-inspection. It is used by 8,483 tracked packages, including mcp, fastmcp-slim and langchain-community.
GitHub topics include pydantic, configuration and environment.
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Dependencies
- pydantic >=2.7.0
- python-dotenv >=0.21.0
- typing-inspection >=0.4.0
7 optional dependencies
- azure-identity[azure-key-vault]
- azure-keyvault-secrets[azure-key-vault]
- boto3[aws-secrets-manager]
- google-cloud-secret-manager[gcp-secret-manager]
- pyyaml[yaml]
- tomli[toml]
- types-boto3[aws-secrets-manager]
Used By
- mcp
- fastmcp-slim
- langchain-community
- openapi-spec-validator
- openapi-schema-validator
- fastapi-mcp
- chromadb
- prefect
- crewai
- deepeval
- docling-core
- dify-plugin
- docling-slim
- opik
- crewai-cli
- semantic-kernel
- agno
- assemblyai
- mistral-vibe
- gto
- fastapi-mail
- prefect-cloud
- idf-component-manager
- pymatgen-io-validation
- maggma
- hatchet-sdk
- chromadb-client
- jobflow
- uipath-langchain
- bump-my-version
- microsoft-teams-apps
- surya-ocr
- chainlit
- arcade-mcp-server
- crawlee
- echo-agent
- marker-pdf
- plato-sdk-v2
- emmet-core
- oic
- inference-gpu
- pdftext
- nucliadb-telemetry
- autodoc-pydantic
- prefect-client
- openmetadata-ingestion
- tabpfn
- aiperf
- mlserver
- swanlab