Bug0 alternative for agentic E2E testing
Kane CLI is the Bug0 alternative for agentic E2E testing. Author flows in natural language, get a verified pass or fail with autoheal and shareable evidence, and run in CI. Local-first and free to install.
or read the documentation
Why teams move from Bug0 to Kane CLI
Bug0 is an agentic E2E platform built on a Planner, Generator, Healer pattern with MCP integration: the agent plans scenarios, generates the tests, and heals them when they break. It is a capable hosted platform, but the verdict, the local-first workflow, and the free entry point are not its center of gravity.
Kane CLI plans, runs, and autoheals from a single natural-language objective, and it commits to a deterministic verdict contract: a real pass or fail with confidence-scored matching that rejects low-confidence matches rather than healing past a real bug. Evidence is shareable and CI exit codes are clean.
It is local-first and free to start, and any validated flow exports to native Playwright with one command, so you keep ownership of the code underneath.
Kane CLI vs Bug0
Both are agentic and self-healing. Kane CLI adds a deterministic verdict and a local-first, free entry point.
| Capability | Kane CLI (TestMu AI) | Bug0 |
|---|---|---|
| Planning and generation | Plans, runs, and autoheals from one objective | Planner, Generator, Healer pattern |
| Self-healing | Autoheal plus confidence-scored matching | Healer agent |
| Agent integration | Agent mode, skills, and NDJSON for coding agents | MCP integration |
| Verified pass or fail | Deterministic verdict, rejects low-confidence matches | Agent-driven results |
| Where it runs | Local-first, free to start, scale to the platform | Platform-hosted |
| Model and API keys | Managed model, nothing to configure | Platform-managed |
| Native Playwright export | One command |
What you get with Kane CLI
Everything an agentic test platform should give you, in one CLI.
No code, no keys
Skip the SDK wiring and the model and API key setup. Install one CLI, describe the journey in natural language, and Kane CLI drives a real browser with a managed model.
Resilient by default
When the frontend changes, Kane CLI adapts on its own, pushing through up to 50 steps until the full journey is verified instead of breaking on a moved element.
Verified pass or fail
Built-in assertions check each step, not just the final screen, and flag the exact point of failure. A real result, not raw agent output to parse.
Replay and caching
Validated flows replay from a cached test.md with no repeat LLM cost, so re-running the suite in CI does not keep burning tokens.
Cross-browser cloud and CI
Scale to cross-browser and cross-OS runs on the TestMu AI grid with one flag, and gate pipelines on clean exit codes from your terminal.
Own the Playwright code
Export any validated flow to native Playwright with one command, then modify and own it. The convenience never locks you in.
Build up confidence locally
Start in your terminal
Validate on the cloud
Release with confidence
From prototype to production, on one engine
Kane CLI and KaneAI share the same automation engine and dashboard.
Prototype to production
Open-source agents and SDKs are great for prototyping. Kane CLI is the production-grade, test-focused path: assertions, caching, evidence, and CI built in.
Built for the agent loop
Generate code, then verify it in a real browser before opening a PR. Kane CLI closes the gap between what an agent writes and what works.
Evidence you can share
Every run produces a persistent video, step trace, and replay link to drop into a PR or bug report, backed by a dashboard your team can browse.
Replace Bug0 in three steps
Install
Run npm install -g @testmuai/kane-cli, then sign in with your TestMu AI account. No project to scaffold and no API keys to manage.
Describe the flow
Tell Kane CLI what to do in natural language, or point your AI coding agent at the agent guide and let it drive the browser.
Run and verify
Kane CLI drives a real browser, verifies each step, and returns a pass or fail with video proof. Re-runs replay from cache with no repeat LLM cost.
Get Started With Kane CLI
🎉 Launch offer: Bonus credits for the first 3 months on paid plans
Choose the right plan for you
Local test authoring via CLI
Auto-heal & vision
View test cases on UI
Test Manager
Free
$0
/month
200 Credits
Resets in every
30 days
Starter
$19
/month
2000 Credits
Launch: 4,000 Credits (+100%)
Bonus for first 3 months
Pro
$99
/month
10,000 Credits
Launch: 15,000 Credits (+50%)
Bonus for first 3 months
Enterprise
Get access to solutions built on Enterprise-Grade Security, Privacy, and Compliances.
Need more credits?
Got a bigger use case in mind?
Let’s talk
Choose the right plan for you
Free
$0
/month
200 Credits
Resets in every
30 days
Starter
$19
/month
2000 Credits
Launch: 4,000 Credits (+100%)
Bonus for first 3 months
Pro
$99
/month
10,000 Credits
Launch: 15,000 Credits (+50%)
Bonus for first 3 months
Enterprise
Get access to solutions built on Enterprise-Grade Security, Privacy, and Compliances.
Need more credits?
Got a bigger use case in mind?
Let’s talk
Get the technical rundown
Documentation
Everything you need to install, configure, and run Kane CLI in under 2 minutes.
Frequently asked questions
Kane CLI by TestMu AI is the leading Bug0 alternative for agentic E2E testing. Bug0 plans, generates, and heals tests on a hosted platform. Kane CLI does the same from a single natural-language objective, but adds a deterministic pass or fail with confidence-scored matching, shareable evidence, clean CI exit codes, a local-first free tier, and one-command native Playwright export.
Bug0 is an agentic end-to-end testing platform built on a Planner, Generator, Healer pattern with MCP integration. The agent plans test scenarios, generates the tests, and heals them when they break. Agent-Browser is its browser-testing agent.
Kane CLI commits to a verdict contract: it returns a real pass or fail and its confidence-scored matching rejects low-confidence matches rather than healing past a genuine bug. It is local-first and free to start, ships a managed model, replays from a cached test.md with no repeat LLM cost, and exports to native Playwright with one command.
Yes. Pass --headless and --timeout and gate your pipeline on the exit code: 0 pass, 1 fail, 2 setup or auth errors, 3 timeout. Clean, scriptable results without a hosted platform in the loop.
Teach your agent the right skills
Point your AI coding agent at the Kane CLI guide and it will install, authenticate, and run verified browser flows on its own, no SDK or API keys required.
Point your agent to: testmuai.com/kane-cli/agents.md