pymongocrypt
Python bindings for libmongocrypt
Decision gist · record as of 2026-08-14
Yes, if you need client-side encryption for MongoDB. The package is production-stable, actively maintained, and has no known vulnerabilities. Install friction is moderate due to libmongocrypt dependency, but pre-built wheels eliminate most setup overhead on common platforms. Apache 2.0 licensing poses no restrictions. Verify that your platform is supported by the pre-built wheels or plan for manual libmongocrypt installation.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- libmongocrypt must be installed on your system or available via PYMONGOCRYPT_LIB environment variable; wheel installations on macOS, Windows, and manylinux include an embedded build, but source installs require manual setup.
- Medium install friction due to platform-specific wheels (macOS, Windows, manylinux) and a compiled dependency on libmongocrypt.
- Wheels are provided for common platforms, but source installation requires manual libmongocrypt setup.
License · maintenance · safety
permissive license (permissive) — Apache License 2.0 is permissive; you may use, modify, and distribute this package freely in commercial and open-source projects, provided you include a copy of the license and document any changes.
last release 2026-06-04 (71 days) · last repo commit 2026-08-14 · 109 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 1,284,344 downloads/mo, #4,112 on PyPI
Alternatives
Verify before relying
pip install pymongocrypt
import pymongocrypt
print(pymongocrypt.libmongocrypt_version())- Whether the package works with PyPy3.9+ as stated in the description (classifiers only list CPython and PyPy, but no specific PyPy version bounds).
- Performance characteristics of the embedded libmongocrypt build versus a system-installed build.
What it is and what it does
PyMongoCrypt is a Python wrapper around libmongocrypt that implements client-side field-level encryption (CSFLE) for MongoDB. It uses cffi to bind to the native libmongocrypt library and cryptography for cryptographic operations, allowing developers to encrypt sensitive data on the client before sending it to MongoDB.
The package is designed to integrate with MongoDB drivers to provide transparent encryption at the field level. It ships pre-built wheels for macOS, Windows, and manylinux platforms that include an embedded libmongocrypt build, reducing setup friction. For source installations or older pip versions, you must manually install libmongocrypt and point PyMongoCrypt to it via the PYMONGOCRYPT_LIB environment variable. The package supports modern Python versions and is actively maintained by MongoDB.
Use it for
- Encrypt sensitive fields in MongoDB documents before transmission to comply with data protection regulations.
- Implement field-level encryption in MongoDB driver applications without modifying application-level encryption logic.
- Integrate client-side encryption into PyMongo or other MongoDB drivers for automatic field encryption/decryption.
- Protect personally identifiable information (PII) or financial data stored in MongoDB with transparent client-side encryption.
- Build multi-tenant applications where each tenant's data is encrypted with tenant-specific keys.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need client-side encryption for MongoDB.
The package is production-stable, actively maintained, and has no known vulnerabilities. Install friction is moderate due to libmongocrypt dependency, but pre-built wheels eliminate most setup overhead on common platforms. Apache 2.0 licensing poses no restrictions. Verify that your platform is supported by the pre-built wheels or plan for manual libmongocrypt installation.
Install
pymongocrypt on PyPI
Before you install
Medium install friction due to platform-specific wheels (macOS, Windows, manylinux) and a compiled dependency on libmongocrypt. Wheels are provided for common platforms, but source installation requires manual libmongocrypt setup. Package is actively maintained with recent releases.
libmongocrypt must be installed on your system or available via PYMONGOCRYPT_LIB environment variable; wheel installations on macOS, Windows, and manylinux include an embedded build, but source installs require manual setup.
License in practice
Apache License 2.0 is permissive; you may use, modify, and distribute this package freely in commercial and open-source projects, provided you include a copy of the license and document any changes.
Quickstart
pip install pymongocrypt
import pymongocrypt
print(pymongocrypt.libmongocrypt_version())Verify before relying
- Whether the package works with PyPy3.9+ as stated in the description (classifiers only list CPython and PyPy, but no specific PyPy version bounds).
- Performance characteristics of the embedded libmongocrypt build versus a system-installed build.
Package facts
| License | permissive license permissive |
| Python support | Supports the current Python release >=3.9 |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | 4 packagescfficryptographyhttpxpackaging |
| Maintenance | Actively maintained 71 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 1,284,344 / month, #4,112 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableIntended Audience :: DevelopersLicense :: OSI Approved :: Apache Software LicenseOperating System :: MacOS :: MacOS XOperating System :: Microsoft :: WindowsOperating System :: POSIXProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: 3.9Programming Language :: Python :: Implementation :: CPythonProgramming Language :: Python :: Implementation :: PyPyTopic :: Database |
Evidence: pymongocrypt-1.18.1-py3-none-macosx_11_0_universal2.whl; pymongocrypt-1.18.1-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.manylinux_2_28_aarch64.whl; pymongocrypt-1.18.1-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl; pymongocrypt-1.18.1-py3-none-win_amd64.whl
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