The request "test" is ambiguous and names no product, so the candidates below are the ones whose sources show test-related capability; the most direct fits for testing software are Playwright, Pytest and Robot Framework, with Testcontainers for throwaway test dependencies. Which kind of testing you need (web UI, unit, integration, or API) would narrow this down.
A question back: What do you want to test: a web app's user interface, Python code, an API or integration, or something else?
- 1
Playwrightplaywright.devwebsite read, tools not yet checked
Playwright Test is a full-featured test runner with auto-waiting, assertions, tracing and parallelism across Chromium, Firefox and WebKit, reachable through the playwright SDK 7.
official:SDK · playwright+215 community tools built for it
- 2
pytestpytest.orgverified and signed
pytest is a Python testing framework for writing small, readable tests that scale to complex functional testing of applications and libraries 3.
+12 community tools built for it
for agents: test · unittest
- 3
Robot Frameworkrobotframework.orgverified and signed
Robot Framework is an open source automation framework for test automation and RPA with human-readable keyword syntax, extensible in Python 9.
+4 community tools built for it
for agents: testing · testautomation · acceptancetesting
- 4
Testcontainerstestcontainers.orgverified and signed
Testcontainers is an open source library that provides lightweight, throwaway instances of databases, browsers or other Docker containers for tests 5.
+2 community tools built for it
for agents: test · testing · testing
Sources
- 3pytest documentationdocs.pytest.org · read 2026-10-29
- 5Testcontainerstestcontainers.com · read 2026-10-29
- 7Fast and reliable end-to-end testing for modern web apps | Playwrightplaywright.dev · read 2026-10-29
- 9Robot Frameworkrobotframework.org · read 2026-10-29
For agents: the 10 actions behind this answer
test-smell-detection · test-smell-detection verified and signed
Audits existing tests in any language using formal, research-backed test smell names and the testsmells.org 19-smell academic taxonomy. Use when the caller asks for an academic or citable test-smell review, named smell categories, or a formal severity-ranked smell assessment. Covers Assertion Roulet
scoutqa-test · scoutqa-test verified and signed
This skill should be used when the user asks to "test this website", "run exploratory testing", "check for accessibility issues", "verify the login flow works", "find bugs on this page", or requests automated QA testing. Triggers on web application testing scenarios including smoke tests, accessibil
test · pytest verified and signed
PostTestHelpersTestClocks · Stripe API verified and signed
Create a test clock
test · testcontainers verified and signed
access-policy-tests · Cloudflare API verified and signed
Start Access policy test
· Playwright website read, tools not yet checked
Web automation and testing for apps, scripts, and AI agents
test_connection · opensearch-flux found in code, not yet checked
Test connectivity and authentication to an OpenSearch instance. START HERE — call this first before any other migration tool. Auth defaults to IAM; region and service are auto-detected from the endpoint URL.
testing · robotframework verified and signed
chat · slackclient verified and signed
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.