structlog
Structured logging library for Python with composable processors.
Used in agent projects
84
0.7% of 12,697 public repos built with AI coding agents
Rank in logging, monitoring and analytics
#10 of 29
by use in those projects
Downloads
24.3M
PyPI, last 7 days, structlog
GitHub stars
4,970
last push Oct 5, 2026
How structlog is used
structlog is a dependency in 84 of the 12,697 public GitHub projects set up for AI coding agents that we scanned (0.7%), #10 of 29 in logging, monitoring and analytics. The most used alternative there is Vercel Analytics. Projects that use it most often also use Pydantic (78.6%), python-dotenv (61.9%), Uvicorn (54.8%).
Often used with structlog
| Pydantic | 78.6% of structlog projects · 15.4× more than average |
|---|---|
| python-dotenv | 61.9% of structlog projects · 9.5× more than average |
| Uvicorn | 54.8% of structlog projects · 12.8× more than average |
| FastAPI | 53.6% of structlog projects · 12.7× more than average |
| Pydantic Settings | 53.6% of structlog projects · 27.1× more than average |
| pytest | 45.2% of structlog projects · 17.4× more than average |
| PyYAML | 41.7% of structlog projects · 13.7× more than average |
| redis (Python) | 38.1% of structlog projects · 34.1× more than average |
By coding agent
| Claude Code | 1.2% of projects set up for it |
|---|---|
| GitHub Copilot | 1.3% of projects set up for it |
| Cursor | 1.0% of projects set up for it |
| Gemini CLI | 1.4% of projects set up for it |
Share of public repos configured for each agent that list structlog as a dependency.
Install
| Package | pip install structlog |
|---|---|
| Main stacks | Python (83), Next.js (1) |
| Example projects | owid/etl, mikegianfelice/Hunter, krzemienski/claude-code-builder, MarcusJellinghaus/mcp-tools-py, u9401066/med-paper-assistant |
Alternatives to structlog
| Tool | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|
| Vercel Analytics npm Real-time web analytics SDK for tracking traffic and user behavior. |
422 (3.3%) | 8.3M | 517 | MIT |
| pino-pretty npm Pretty-printer for Pino JSON logs to make terminal output human-readable. |
223 (1.8%) | 24.6M | 1,706 | MIT |
| Web Vitals npm Measure Core Web Vitals and other key performance metrics in JavaScript. |
222 (1.7%) | 48.7M | 8,640 | Apache-2.0 |
| Vercel Speed Insights npm Measure web performance metrics and get recommendations for improvement. |
167 (1.3%) | 5.6M | 116 | Apache-2.0 |
| psutil pypi Cross-platform library for retrieving process and system monitoring information. |
144 (1.1%) | 74.7M | 11.3K | BSD-3-Clause |
| Pino npm Ultra-fast JSON logger for Node.js with minimal overhead. |
129 (1.0%) | 53.3M | 18.2K | MIT |
| Sentry for Next.js npm Official Sentry SDK for error tracking and performance monitoring in Next.js apps. |
119 (0.9%) | 11.7M | 8,756 | MIT |
| Loguru pypi Simplified Python logging library with intuitive API and structured logging. |
108 (0.9%) | 16.4M | 24.1K | — |