nucliadb-protos
Protobuf definitions for nucliadb
Decision gist · record as of 2026-08-14
Yes, if you are building or using a Python application that communicates with NucliaDB. Install it as a dependency of a NucliaDB client library rather than directly unless you are working on NucliaDB integration or extension. The package is actively maintained, has no known vulnerabilities, and carries a permissive license.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later; protobuf must be installed as a runtime dependency.
- Low friction installation with a single runtime dependency on protobuf.
- Actively maintained with a release 3 days old and recent commits, suggesting stable ongoing development.
License · maintenance · safety
Apache-2.0 (permissive) — Licensed under Apache-2.0 (permissive), allowing use, modification, and distribution with minimal restrictions—suitable for both open-source and commercial projects.
last release 2026-08-11 (3 days) · last repo commit 2026-08-13 · 721 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 100,323 downloads/mo, #12,992 on PyPI
Alternatives
Verify before relying
pip install nucliadb-protos
from nucliadb_protos import <message_type>
# Use protobuf messages for NucliaDB communication- Specific protobuf message types and their use cases within NucliaDB client libraries or applications.
- Whether this package is intended for direct use or primarily as a transitive dependency of nucliadb or its clients.
- Performance or compatibility notes for different protobuf versions.
What it is and what it does
nucliadb-protos is a package of Protocol Buffer message definitions for NucliaDB, a hybrid search database that indexes unstructured data using vector, full-text, and graph indexes. The package provides the serialized schema definitions needed to communicate with NucliaDB instances, whether self-hosted or via Nuclia Cloud. It serves as the contract layer between client code and the database, defining the structure of requests, responses, and data payloads.
This is a foundational dependency for any Python application that needs to interact with NucliaDB programmatically. Rather than a standalone tool, it is typically used as a transitive dependency of higher-level NucliaDB client libraries or as a direct import when building custom integrations. The package depends only on protobuf, keeping installation lightweight.
Use it for
- Building a Python client library or wrapper around NucliaDB's API.
- Integrating NucliaDB search into a Python application that stores and queries unstructured data.
- Developing custom data pipelines that serialize and deserialize NucliaDB protocol messages.
- Contributing to or extending NucliaDB itself with new message types or API endpoints.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are building or using a Python application that communicates with NucliaDB.
Install it as a dependency of a NucliaDB client library rather than directly unless you are working on NucliaDB integration or extension. The package is actively maintained, has no known vulnerabilities, and carries a permissive license.
Install
nucliadb-protos on PyPI
Before you install
Low friction installation with a single runtime dependency on protobuf. Actively maintained with a release 3 days old and recent commits, suggesting stable ongoing development.
Requires Python 3.10 or later; protobuf must be installed as a runtime dependency.
License in practice
Licensed under Apache-2.0 (permissive), allowing use, modification, and distribution with minimal restrictions—suitable for both open-source and commercial projects.
Quickstart
pip install nucliadb-protos
from nucliadb_protos import <message_type>
# Use protobuf messages for NucliaDB communicationVerify before relying
- Specific protobuf message types and their use cases within NucliaDB client libraries or applications.
- Whether this package is intended for direct use or primarily as a transitive dependency of nucliadb or its clients.
- Performance or compatibility notes for different protobuf versions.
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release <4,>=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packageprotobuf |
| Maintenance | Actively maintained 3 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 100,323 / month, #12,992 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaProgramming Language :: PythonProgramming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Topic :: Software Development :: Libraries :: Python Modules |
Evidence: nucliadb_protos-7.1.0.post7000-py3-none-any.whl
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See also nucliadb-utils · graph-retriever · protovalidate · dbt-protos · proto-google-cloud-datastore-v1 · foxglove-schemas-protobuf · sentry-protos · opensearch-protobufs · flyteidl2 · upstash-vector