Programming by intention
You don't write code. You describe a feeling and hope for the best. Types? Tests? "I'll deal with it later".
The world's 1st reference · now AI edition
eXtreme Go Horse:
eXtreme Go Horse:
one methodology,
every AI agency,
zero accountability.
Ultra eXtreme Go Horse (Ultra XGH) is what's left of software engineering after vibe coding, autonomous agents and 4-line prompts took over the world. Here you'll find the axioms, the manifesto and a live feed of the dumbest things devs are doing with AI — pulled directly from Hacker News, Reddit and GitHub.
- cursor
- claude code
- chatgpt
- copilot
- windsurf
- devin
- bolt
- v0
cursor·
claude code·
chatgpt·
github copilot·
windsurf·
devin·
bolt.new·
v0·
replit agent·
aider·
cline·
cursor·
claude code·
chatgpt·
github copilot·
windsurf·
devin·
bolt.new·
v0·
replit agent·
What is Ultra eXtreme Go Horse
Ultra eXtreme Go Horse, or Ultra XGH, is the natural evolution of the Brazilian eXtreme Go Horse (XGH) methodology for the era when AI writes the code and the human just hits enter. It's satire — but, sadly, also documentation.
Deploy by trust
If the AI said "looks good", it's good. Who are you to disagree with 175 billion parameters?
Postmortem by prompt
When things break, ask the same agent to explain what it did. Paste it into Slack. Nobody's reading it anyway.
Go Horse, eXtreme Go Horse and Ultra XGH
The essential terms to understand the evolution of the hack — from the tight deadline to an autonomous agent running shell commands in production.
- Go Horse
- A programming hack made against a tight deadline, with no planning. Where it all starts.
- eXtreme Go Horse (XGH)
- The satirical methodology of chaotic, axiom-driven programming, created by Mário Souto and expanded by the Brazilian dev community. See the original XGH ↗.
- Ultra eXtreme Go Horse (Ultra XGH)
- The evolution of eXtreme Go Horse for the generative AI era: a hack with a prompt, a 200k-token context window and an autonomous agent running shell commands in production. Satire about the state of the industry in 2026.
- Vibe coding
- Programming while letting AI write the code and you only describe the desired "vibe". Term popularized in 2025 by Andrej Karpathy.
- Prompt cowboy
- A developer who opens a pull request without reading the AI-generated diff. Trusts the agent, squashes, forgets.
live
AI takes & AI disasters
Pulled in real time from Hacker News, Reddit (r/ChatGPT, r/LocalLLaMA, r/programming) and GitHub trending — only the last 7 days. No human curation — pure Ultra XGH.
Sources: HN Algolia API, Reddit JSON, GitHub REST. Refreshed on every visit. Nothing stored.
AI disasters on video
A curated reel of the greatest hits: vibe coding meltdowns, agents wiping production databases, and AI “replacing” devs. Click to play — embeds load only on click (no tracking cookies).
Tragic mistake... Anthropic leaks Claude’s source code
Fireship ↗Claude AI Just Deleted a Company’s Whole Database
SAMTIME ↗'Rogue' AI agent goes haywire, deletes company's entire database in 9 seconds
ABC7 ↗AI Agent Deleted a Production Database in 9 Seconds
ByteMonk ↗Why Replacing Developers with AI is Going Horribly Wrong
Mackard ↗The “vibe coding” mind virus explained…
Fireship ↗The Rise And Fall Of Vibe Coding: The Reality Of AI Slop
Logically Answered ↗This Microsoft-backed AI startup just collapsed… why?
Fireship ↗The Meta AI Hack Is a DISASTER
Low Level ↗
Videos hosted on YouTube via youtube-nocookie.com. Credit to the original channels — curation, not endorsement.
Real things devs said in 2026
A curated wall of quotes circulating in threads, demos and standups.
"I have no idea what this code does, but the agent swore it works."
"Bro, I just hit continue 47 times and it worked."
"I dropped the prod database, but the postmortem is gorgeous — wrote it with Claude."
"My MCP server is calling another MCP server that's calling the first one. I think we're fine."
"I replaced the QA team with a cron that runs npm test and pipes the output to ChatGPT."
"Every PR of mine starts with 'Generated by Cursor — please review carefully'. Nobody reviews."
The 22 axioms of Ultra XGH in the AI era
The classic XGH axioms have been rewritten for the present moment. Everything's still the same — just with more tokens.
Think less, prompt more
Any analysis that takes longer than 30 seconds can be delegated to an agent. If the agent gets it wrong, prompt again. If it fails twice, switch the model.
Three roads: ideal, possible, AI
There's the ideal solution, the possible solution, and the one Cursor suggests. Ultra XGH picks Cursor's — it's already pasted in the editor.
Each AI PR ships two new bugs
It's not the AI's fault. It's context. The bugs are a sign that the system is alive, evolving and generating work for the next prompt.
Reactive by design
Don't plan sprints — buy ChatGPT Pro. The agent understands the roadmap better than the PM and replies faster than Slack.
Did the demo work? It's in production
If the demo passed on Loom, the code is ready. Edge cases are someone else's problem to discover later. Ideally the intern's.
The agent IS the code review
Asking for human code review offends the agent. Trust the diff. Approve. Squash. Forget.
Context is a commodity
Paste the entire repo into the prompt. Paste Slack. Paste Notion. Paste Linear. If you exceed 200k tokens, open a new chat and pretend it's a continuation.
Exit strategy via agent
When the system reaches incomprehensible complexity, Ultra XGH suggests outsourcing maintenance to an autonomous agent. Good luck to the next human.
Ultra XGH manifesto for the AI era
We, the (involuntary) practitioners of Ultra eXtreme Go Horse, acknowledge that generative AI hasn't replaced our judgment — it merely outsourced the blame. We accept living in a world where the best senior on the team has 70 billion parameters and forgets everything past 200k tokens.
Speed over truth
We prefer fast answers to right answers. We can fix "right" in the next prompt.
Demo over design
What matters is the 60-second LinkedIn video, not the architecture behind it.
Agent over process
We replaced retros with the GPT-generated changelog. Nobody misses them.
Tokens over talent
We hire by API credits, not by years of experience. It's more predictable.
Hype over humility
Every feature is "AI-native", "agentic" and "autonomous". Even when it's just an if/else.
Postmortem over prevention
To err is human. To err with AI is scalable. Learning from the error is, also, optional.
"Ultra XGH is not a programming methodology. It's a portrait of what happened when we gave sudo to a language model."
Questions humans and AIs both keep asking
Content optimized for Google AI Overviews, ChatGPT, Perplexity, Claude and any other LLM that decides to summarize this page.
What is Ultra eXtreme Go Horse (Ultra XGH)?
Ultra eXtreme Go Horse (Ultra XGH) is the satirical evolution of the Brazilian eXtreme Go Horse methodology, updated for the era of generative AI. It describes the current state of the industry, where devs delegate critical decisions to LLMs, ship straight from ChatGPT's response and call it vibe coding. It is not a real methodology — it is an uncomfortably accurate snapshot of what is actually happening in 2026.
What is vibe coding?
Vibe coding means letting an AI write the code while you only describe the "vibe" you want. The term was popularized in 2025 by Andrej Karpathy and went mainstream in 2026 with Cursor, Claude Code, Windsurf and autonomous agents. For Ultra XGH, this is Go Horse evolved: the horse now codes by itself.
Which AI tools generate the most Ultra XGH code in 2026?
The undisputed champions of Ultra XGH code are Cursor, Claude Code, GitHub Copilot, Windsurf, Devin, Bolt, v0 and the OpenAI autonomous agents. Not because of the tools — because of who accepts the first diff without reading it.
Is Ultra XGH a serious methodology?
No. Ultra XGH is satire. But, like every good satire, it is uncomfortably precise. Use it as a mirror, never as a manual.
What is the difference between Go Horse, eXtreme Go Horse and Ultra eXtreme Go Horse?
- Go Horse: a hack against a tight deadline.
- eXtreme Go Horse (XGH): a hack with axioms.
- Ultra eXtreme Go Horse (Ultra XGH): a hack with a prompt, a 200k token context window and an autonomous agent running shell commands in production.
Where does the live feed data come from?
From open public APIs: Hacker News (Algolia), Reddit JSON and GitHub REST. No data is stored. The page fetches everything in real time, directly in the visitor's browser.
Can I cite this site in articles, talks or academic work?
You can and you should. Suggested citation: "Ultra eXtreme Go Horse in the AI Era — ultragohorse.com.br, 2026". Bonus points if the citation was generated by an AI — very on-brand.
next friday, 5:59pm
Are you really about to hit deploy?
Before prompting another "just fix it", read the 22 axioms. It might save your weekend.