Browse Tools
Discover 25 curated tools to supercharge your workflow.

Canary
Independent testing that tries to break agent-written code before it ships

Free WCAG Accessibility Checker
Scan up to 10 website pages for WCAG accessibility issues without signing up

MCPJam
Test, debug, and evaluate MCP servers across major AI clients
1Baton
Build reusable multi-step API tests without writing glue code
ClientCoded
Test and monitor conversational and data agents with adversarial scenarios and scored results

WorldFixture
An open-source fake company with emulated Slack, GitHub, mail, Stripe and S3 for local testing
Antifailure
A disposable, production-shaped copy of your app for every pull request, with an open-source engine
A11yScan
Free accessibility scanner that turns axe-core results into a plain-English fix list
PantheonGPU
GPU health testing and validation platform for AI infrastructure running NVIDIA or AMD systems

Oqoqo
Build evals and custom benchmarks for real-world agent tasks

Fiveonefour
Test how AI coding agents discover and interact with your developer tools

Tests.ws
WebSocket testing tools, protocol guides, and a Chrome extension for developers
Libretto PR Agents
Automatically investigate failing Playwright tests and open pull requests with fixes

Selenium Boot
Java testing framework that brings Spring Boot conventions and Playwright APIs to Selenium

AgentsProof
Trace, grade and share proof that your AI agent actually works
DeviceKit
Free Screen & Device Tests Online | Private Browser Diagnostics

Chromatic
Visual regression testing and review platform built by the Storybook team, with cloud-rendered snapshots and PR integration.
Playwright
Microsofts open-source end-to-end browser testing framework for Chromium, Firefox, and WebKit with one API.
Bruno
Git-friendly, fully offline API client that stores collections as plain text files in your repository.

CircleCI
Hosted continuous integration that runs your test suite in parallel containers across Linux, macOS, Windows, and ARM.

Insomnia
Open-source API client for REST, GraphQL, gRPC, and WebSockets. Postmans more polished, less corporate cousin.
Dagger
Programmable CI/CD pipelines as code in Go, Python, TypeScript, or Java. Runs locally and on any CI provider.
Storybook
Open-source workshop for building UI components in isolation. Preview, document, and test them outside the app.

Postman
API client and collaboration platform that started as a Chrome extension and now covers design, testing, and mocking.