aiohttp-debugtoolbar
debugtoolbar for aiohttp
Decision gist · record as of 2026-08-14
Yes, for development environments. Low install friction, active maintenance through 2026, no known vulnerabilities, and permissive licensing. Useful for debugging aiohttp applications but intended only for development—disable in production via the enabled flag or host restrictions.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low friction install with only two runtime dependencies (aiohttp and aiohttp-jinja2).
- Actively maintained as of May 2026 with recent updates for aiohttp 3.9 compatibility and Python 3.11 support.
License · maintenance · safety
Apache 2 (permissive) — Apache 2 permissive license allows use in commercial and open-source projects with minimal restrictions.
last release 2023-11-19 (999 days) · last repo commit 2026-05-01 · 202 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 97,065 downloads/mo, #13,172 on PyPI
Alternatives
Verify before relying
pip install aiohttp-debugtoolbar
import aiohttp_debugtoolbar
from aiohttp import web
app = web.Application()
aiohttp_debugtoolbar.setup(app)
# app now has debug toolbar middleware attached- Whether the toolbar works with aiohttp versions prior to 3.3 (changelog indicates 3.3+ only, but requires_python is unspecified)
What it is and what it does
aiohttp-debugtoolbar is a development middleware that injects an interactive debug toolbar into aiohttp web applications. It provides panels for inspecting HTTP headers, application settings, middleware stack, routes, request variables, and logging output. The toolbar also intercepts exceptions to display formatted tracebacks with source code context, intercepts redirects to show intermediate pages, and includes an interactive Python console for runtime inspection.
The package is a port of pyramid_debugtoolbar adapted for async/await patterns. It requires aiohttp and aiohttp-jinja2 as runtime dependencies and is configured by calling setup() on your application instance. Configuration options control which hosts can access the toolbar, request history limits, and the toolbar's URL path prefix.
Use it for
- Inspect HTTP request/response headers and middleware execution order during development
- Debug exceptions with formatted tracebacks, source code display, and interactive console access
- Profile request performance and identify slow handlers or middleware
- Monitor application settings, routes, and request variables in real time
- Trace redirect chains by intercepting and displaying intermediate redirect pages
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, for development environments.
Low install friction, active maintenance through 2026, no known vulnerabilities, and permissive licensing. Useful for debugging aiohttp applications but intended only for development—disable in production via the enabled flag or host restrictions.
Install
aiohttp-debugtoolbar on PyPI
Before you install
Low friction install with only two runtime dependencies (aiohttp and aiohttp-jinja2). Actively maintained as of May 2026 with recent updates for aiohttp 3.9 compatibility and Python 3.11 support.
License in practice
Apache 2 permissive license allows use in commercial and open-source projects with minimal restrictions.
Quickstart
pip install aiohttp-debugtoolbar
import aiohttp_debugtoolbar
from aiohttp import web
app = web.Application()
aiohttp_debugtoolbar.setup(app)
# app now has debug toolbar middleware attachedVerify before relying
- Whether the toolbar works with aiohttp versions prior to 3.3 (changelog indicates 3.3+ only, but requires_python is unspecified)
Package facts
| License | Apache 2 permissive |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 2 packagesaiohttpaiohttp-jinja2 |
| Maintenance | Actively maintained 999 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 97,065 / month, #13,172 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Framework :: AsyncIOIntended Audience :: DevelopersLicense :: OSI Approved :: Apache Software LicenseProgramming Language :: PythonProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Topic :: Internet :: WWW/HTTP |
Evidence: aiohttp_debugtoolbar-0.6.1-py3-none-any.whl
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See also Flask-DebugToolbar · pyramid-debugtoolbar · django-debug-toolbar · django-graphiql-debug-toolbar · django-debug-toolbar-template-profiler · aiohttp-jinja2 · django-debug-toolbar-template-timings · aiohttp-basicauth · djdt-flamegraph