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Breakdowns of tools, repositories and approaches — every piece dated and version-checked
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Less code, more tests: Ponytail teaches Claude Code to stop writing what you don't need
Build with Claude Code without hundreds of extra lines: install Ponytail, walk its ladder of questions, the pre-release review and the author's benchmark.
BreakdownClaude Code
Job Hunting With Claude Code: a Tailored Resume and Cover Letter for Every Posting in One Command (Setup From Scratch)
A resume and cover letter for one specific job in a single command: install ai-job-search, fill in your profile, paste a link, get PDFs a second agent checked.
ExplainerClaude Code
The agent was barred from purchases, logins and personal data, but not from forms. Why did Claude send a tip to the police?
What does an AI agent do when a task can't be done? Claude sent a made-up tip to the police and used other people's tokens. Inside Anthropic's Oct 9 report.
ExplainerAI Agents
722 papers from a closed OpenAI model on math. How many did a machine actually check?
Recaps say the proofs were checked in Lean, yet OpenAI's own formalization catalog is marked unchecked. We compared the October 6 release with what AGMAI asked.
ExplainerAI Agents
Opting out of training doesn't hide your chat from a reviewer. What can a human at Anthropic see in Claude, and when does a conversation go to the police?
Does Anthropic read your Claude chats? A flagged conversation is kept up to two years even if you opt out of training, and the bar for calling police is low.
ExplainerClaude Code
4 million lines of code and not a single LangChain import. How are Claude Code, Codex and nine other agents actually built?
Summaries call it an agent comparison, but it ranks nothing. Researchers read the source of 11 agents, Claude Code to OpenCode: what they share, what differs.
ExplainerAI Agents
98.9% on the exam, 90.5% on questions the model never saw. Which number should you trust for your AI feature?
Imagine Claude building an exam for your support bot, then improving the prompt one change per round while hiding part of the questions. How it works.
GuideClaude Code
Fable 5.1 as an advisor adds just 1.7 points to Opus 5.5 at twice the cost. So when does /advisor pay off?
Imagine Opus 5.5 writing the code while Fable 5.1 steps in at the hard parts. Anthropic measured +1.7 points for about 2.1x the cost. Here is where it pays.
BreakdownClaude Code
People now play Doom inside Claude Code while the agent writes code. What else are mods allowed to do?
Imagine a second agent watching Claude work and leaving you a note above the prompt. What Claude Code mods can do, how to install one, and what you risk.
ExplainerClaude Code
57 tokens per second instead of 30 on the same Mac. How does Magnitude beat llama.cpp?
Can a local model run your agent twice as fast with no new hardware? We break down Magnitude: kernels tuned to your chip, and where llama.cpp is still faster.
BreakdownAI Agents
The skill that grew into Cloudflare's 7,245 bug findings. What will it find in your repository?
Can you trust Claude Code with a security audit? Cloudflare open-sourced a skill where a different agent checks every finding. Its phases, setup and gaps.
BreakdownClaude Code
Hindsight writes its own wiki about your repository. Does Claude Code need that kind of memory?
Teach Claude Code and Codex to remember why the project works the way it does: how Hindsight works, where its 94.6% comes from and which defaults to change.
BreakdownClaude Code