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Agents tracked: 440 Downloads (7d): 202M down 19.5% GitHub stars: 10.4M Releases (7d): 607 Agent status: all upSince last limit reset: Claude 28d · Codex 0d Updated Oct 21, 2026

proto-plus

Pythonic protocol buffer library wrapping Google protobuf with better ergonomics.

Forms, validation and schemas PyPI Apache-2.0

Used in agent projects
9
0.6% of 1,622 Python repos built with AI coding agents; 349 counting our dependency samples
Gid Score
70 /100
#238 of 3,794 tools, #7 in forms, validation and schemas · ranking
Rank in forms, validation and schemas
#30 of 61
by use in those projects
Downloads
64.1M
PyPI, last 7 days, proto-plus
GitHub stars
5,411
1,805 forks · last push Oct 20, 2026

How proto-plus is used

proto-plus is a dependency in 9 of the 6,208 public GitHub projects set up for AI coding agents that we scanned, too few to describe it from them alone. Our scan also samples projects by dependency (Solana 2,661, Ethereum and EVM 1,496, 3D and games 2,818, agent frameworks and SDKs 10,983); counting those, it appears in 349 projects, and what it is used with below comes from all of them. The most used alternative in our scan is Pydantic (536 projects). Projects that use it most often also use Protocol Buffers (99.7%), pyasn1 (98.9%), charset-normalizer (98.6%).

proto-plus popularity over time

Top tools by Gid Score

proto-plus: downloads per weekPyPI, proto-plus 63,091,355
proto-plus: GitHub starsgoogleapis/google-cloud-python 5,411

Gid Score 70: downloads 100, use in agent projects 69, GitHub stars 40, downloads trend 55 (each 0-100). How it is calculated.

Often used with proto-plus

Protocol Buffers99.7% of proto-plus projects · 137.6× more than average
pyasn198.9% of proto-plus projects · 236.0× more than average
charset-normalizer98.6% of proto-plus projects · 91.3× more than average
google-auth98.6% of proto-plus projects · 97.1× more than average
Google API Core98.0% of proto-plus projects · 553.0× more than average
Pydantic97.1% of proto-plus projects · 11.3× more than average

From all 349 projects in our scan that use proto-plus, including the dependency samples.

By coding agent

Claude Code0.2% of projects set up for it
GitHub Copilot0.2% of projects set up for it

Share of public repos configured for each agent that list proto-plus as a dependency.

Install

Packagepip install proto-plus
Main stacksPython (343), Next.js (4), Other (1), React Native / Expo (1)
Example projectsPaper2Poster/Paper2Poster, TIGER-AI-Lab/TheoremExplainAgent, FlagOpen/RoboBrain2.5, sethkarten/continual-harness, bingreeky/MaAS

Alternatives to proto-plus

All forms, validation and schemas

Tools that do the same job, so a project picks one or the other. Add-ons and libraries used alongside proto-plus are not listed here; they are in "Often used with".

Tool Gid Score Used in agent projectsDownloads / wk GitHub starsLicense
Pydantic pypi
Data validation and parsing library using Python type hints.
86 536 (33.0%) 243M 29.1K MIT
Protocol Buffers pypi
Serialization format and code generator for structured data.
76 45 (2.8%) 158M — 3-Clause BSD License

More in Forms, validation and schemas: Zod React Hook Form React Hook Form Resolvers Ajv jsonschema ajv-formats zod-to-json-schema email-validator

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