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TOP RESOURCES FOR CLAUDE CODE

This Notion doc is a curated list of tools, guides, courses, repos, and newsletters to help anyone learn and use Claude Code. It groups official Anthropic docs and MCP info with best reads and guides for GTM users, practical courses, podcasts and videos, plug‑and‑play repos, and skills libraries.

NEW: NON-BRANDED QUERIES FILTER IN GSC

Google Search Console has released a "Non-branded queries" filter, allowing you to remove non-branded queries from your data. Navigate to Performance > Search Results > Add Filter > Query to access it. The filter only applies to data back to late February.

5 DESIGN SKILLS TO SHARPEN IN THE AI ERA

Visual craft ranks first with 58% of designers and hiring managers citing it as the top skill, while systems thinking, cross-functional collaboration, and AI fluency follow closely behind. The underlying tension the Figma report surfaces is that AI can accelerate exploration and prototype generation, but it cannot challenge assumptions, follow unexpected creative directions, or decide when something technically works but feels wrong.

WHAT SHOULD YOUR COMPANY'S AI SOUND LIKE TO CUSTOMERS?

As AI voice systems move toward handling 70-80% of customer service interactions by 2028-2029, most organizations have no framework for calibrating how confident their AI sounds relative to what it actually knows. Research in vocal psychology shows confident delivery increases persuasiveness and triggers authority deference independent of information quality, meaning a moderately certain AI recommendation can be heard as definitive when spoken aloud. The fix requires institutional governance that classifies interactions by risk and assigns vocal delivery rules accordingly, paired with real-time systems that adjust tone based on model confidence and user context.

SEO TIP: CLEAN UP YOUR SITE NAVIGATION

Clean up cluttered navigation menus to avoid spreading authority and traffic too thin across the site, which confuses people and Google.

22 RETENTION FLOW TIPS

Retention improves when brands capture leads early, remove buying friction, and push for repeat purchases quickly.

META ACQUIRES MOLTBOOK, THE AI AGENT SOCIAL NETWORK

Meta has acquired the Reddit-esque simulated social network, Moltbook. Moltbook's creator, Matt Schlicht, and his business partner, Ben Parr, will work within Meta Superintelligence Labs. Moltbook was created using OpenClaw, a wrapper for LLM coding agents that lets users prompt them via popular chat apps. OpenClaw's founder was hired by OpenAI in February.

YOUTUBE LAYS CLAIM TO ANOTHER CROWN: THE WORLD'S LARGEST MEDIA COMPANY

YouTube has become the world's largest media company. It gained more than $60 billion in revenue in 2025. The company is now valued between $500 billion and $560 billion, far above any traditional media competitors. YouTube's scale as a distributor, along with its heavy investment in AI tools, will help it continue its explosive growth.

SPACEX'S STARSHIP MOON LANDER LIKELY TO FACE MORE DELAYS, REPORT SAYS

SpaceX's Starship lunar lander for NASA faces more delays. NASA recently moved the company's June 2027 moon landing deadline to 2028. A major review of Starship's design was postponed until August, leaving little room to meet the current schedule. The biggest challenge facing Starship's development is demonstrating the vehicle's ability to be refueled in orbit, which must be done repeatedly in order to reach the Moon.

ONE VACCINE MAY PROVIDE BROAD PROTECTION AGAINST MANY RESPIRATORY INFECTIONS AND ALLERGENS

Researchers have developed a universal vaccine formula that protects against a wide range of respiratory viruses, bacteria, and even allergens. The vaccine is delivered intranasally, and it provides broad protection in the lungs for several months. It works by mimicking the signals that immune cells use to communicate with each other during an infection. The vaccine has only been tested in mice, but researchers estimate, in the best-case scenario, that it might be available in five to seven years.

they need to generate code that's ready for git push. Unblocked

synthesizes your code, PR history, conversations, docs, and runtime signals to surface the right context for each task. See how it works.

CRAWL ENTIRE WEBSITES WITH A SINGLE API CALL USING BROWSER RENDERING

Cloudflare's Browser Rendering API renders pages in a headless browser and returns the data in multiple formats, including HTML, Markdown, and structured JSON. It is now available in open beta for both the Workers Free and Paid plans. Users can configure crawl depth, page limits, and wildcard patterns to include or exclude specific URL paths. The crawler honors robots.txt directives.

WHY I BELIEVE IN SOTA MODELS OVER CUSTOM ONES

The smarter and more experienced a human is, the better job they will do. Even small tasks benefit from the general life experience of the person doing the execution. This is why SOTA models will always be better than small, specialized models. The best models keep coming down in price, so enterprises will likely just use general models in the long term instead of tuning less capable models.

WHY THE ATM DIDN'T KILL BANK TELLER JOBS, BUT THE IPHONE DID

ATMs were predicted to increase bank teller unemployment, but they didn't. However, the number of bank tellers started to fall after the birth of the iPhone. When a technology automates what a human does within an existing paradigm, it rarely gets rid of the human, as the definition of the paradigm creates the need for human involvement. The iPhone created a new paradigm that made the tasks that the ATM substituted irrelevant.

ANTHROPIC TELLS JUDGE BILLIONS AT STAKE IF US SHUNS AI TOOL

Anthropic could lose billions of dollars in revenue this year due to the Department of War's declaration of the company as a supply-chain risk. It has asked a judge to take quick action on its request to block the decision. The declaration has led to more than 100 enterprise customers contacting Anthropic to express doubt about continuing their relationship. A hearing on Anthropic's request had been set for April 3, but the judge moved it up to March 24.

Give Viktor your worst task (for free) ->

PACT

Pact is a multi-agent software engineering framework designed for projects where getting the boundaries right matters more than getting the code written fast.

AI SHOULD HELP US PRODUCE BETTER CODE

Quality enhancements that used to be time-consuming have now dropped in cost to the point where there's no excuse not to invest in quality while shipping new features.

AMAZON CONVENES ‘DEEP DIVE' INTERNAL MEETING TO ADDRESS OUTAGES

An Amazon spokesperson says that a single incident was related to AI, and none of the incidents involved AI-written code.

FROM EXPERIMENTAL TOOL TO AI INFRASTRUCTURE: ADAM ZIELIŃSKI'S VISION FOR WORDPRESS PLAYGROUND IN 2026

Zieliński's goal for 2026 is to make Playground useful and easily accessible for a large crowd out there that's not super technical.

A UNIX MANIFESTO FOR THE AGE OF AI

The Unix philosophy has survived because its authors built restraint into the architecture.

I BUILT A PROGRAMMING LANGUAGE USING CLAUDE CODE

Cutlet is a dynamic programming language built entirely by Claude Code that combines the expressiveness of Python, Ruby, Lua, and JavaScript with first-class support for running subprocesses, building pipelines, and scripting.

👉 Here's how to put it all together

META ACQUIRED MOLTBOOK

Meta has acquired Moltbook, a Reddit‑like network where AI agents built with the OpenClaw framework interact with each other and maintain an always‑on directory of agents.

NVIDIA INVESTS IN MIRA MURATI'S THINKING MACHINES LAB

Nvidia and Mira Murati's Thinking Machines Lab have formed a multiyear partnership in which the startup will deploy at least one gigawatt of cutting-edge chips to train and serve its frontier models. The companies will collaborate to design AI training and serving systems that use Nvidia technology. The deal gives the relatively young AI lab computing power to advance its research, as well as funding to pay its staff. It currently has 120 employees and is competing fiercely for AI researcher talent as valuations in the industry have skyrocketed.

GOOGLE LAUNCHES NEW MULTIMODAL GEMINI EMBEDDING 2 MODEL

Google's Gemini Embedding 2, available via the Gemini API and Vertex AI, unifies text, images, videos, audio, and documents in over 100 languages. The model processes up to 8,192 text tokens, six images, 120-second videos, and six-page PDFs, incorporating Matryoshka Representation Learning for customizable output dimensions. Early access users already utilize it for Retrieval-Augmented Generation and semantic search, with initial feedback showing superior performance against competitors.

CODEX, FILE MY TAXES. MAKE NO MISTAKES

Codex can be used to file personal taxes, and it can even be more accurate than a human accountant. The immediate feedback that Codex gives users helps them understand their situation and the tax code better. Give Codex access to personal details, and it can make better assumptions about tax treatment. Accountants probably don't have to worry - most don't enjoy doing personal tax returns, and their other duties are likely much harder to automate.

OPEN WEIGHTS ISN'T OPEN TRAINING

Open source models offer the proposition of distributing the value created by AI more broadly, enabling more people to build. However, the current ecosystem doesn't make building easy. The stack contains many bugs, and there's debt hidden in every layer. Developers need to stop patching bugs and build a better stack.

THE STATE OF CONSUMER AI. PART 2: ENGAGEMENT AND RETENTION

ChatGPT's engagement lead is wider than its market share lead: DAU:MAU sits at 45% versus Gemini's 22%, and WAU:MAU has climbed from 50% in mid-2023 to 82% today, putting it ahead of Gmail and Spotify and approaching Instagram. Week 4 retention of 66% beats every enterprise app in the dataset and is more than double Perplexity's 24%, while most apps see retention flatten at scale. The rarest signal is ChatGPT's smile curve: one of only three products alongside Gmail and Chrome where retention dips and then recovers, meaning OpenAI's product releases are actively reactivating lapsed users, not just attracting new ones.

open source Python repositories. See what each benchmark measures

QUANTIFYING INFRASTRUCTURE NOISE IN AGENTIC CODING EVALS

Agentic coding benchmarks are commonly used to compare the software engineering capabilities of frontier models. These scores are often treated as precise measurements of relative model capability. However, research shows that infrastructure configuration alone can produce significant differences in scores. Eval developers have begun accounting for this, but current fixes potentially change what benchmarks end up actually measuring.

RCLI

RCLI is an on-device voice AI for macOS that can control apps and perform other actions via voice. Users can choose from a variety of local AIs and perform 38 macOS actions. The tool can be used to ingest local documents for users to query. RCLI is open source under the MIT license.

THE ANATOMY OF AN AGENT HARNESS

An agent is a model with a harness. Harness engineering is the process of turning models into work engines by building systems around them. Models contain the intelligence, and the harness makes that intelligence useful. This post looks at what harnesses are and details the core opponents that agents need.

HOW NVIDIA BUILDS OPEN DATA FOR AI

Every AI training pipeline rests on a data layer that determines how those models behave. This data determines what the models know, how they reason, and what they can safely do. However, much of today's training data remains opaque, fragmented, or siloed across teams. Open data access gives developers a faster and more cost-effective path to building high-quality models. This is why Nvidia releases open datasets along with its open models, tools, and training techniques.

AMAZON WINS COURT ORDER TO BLOCK PERPLEXITY'S AI SHOPPING AGENT

Perplexity's Comet AI browser has been blocked from accessing Amazon's site. Amazon sued Perplexity in November, alleging the startup concealed its AI agents so it could continue to scrape Amazon's website without approval. The Comet browser allows users to ask the assistant to find items on Amazon and make purchases. Amazon says Perplexity's agents pose a risk to customer data and that they create challenges for its advertising business. It has broadly locked down its shopping sites from AI agents and blocked dozens of agents.

NOTES FROM TOKEN TOWN: NEGOTIATING FOR THE FORTUNE 5 MILLION

Frontier labs are continuing to build first-party products on top of their own capabilities. For every token they sell, they can spend it themselves for COGs of under 50%. Your supplier is also your competitor, and they have a permanent cost advantage over you. Applied AI companies need to win on something other than tokens. Businesses need to build products so good that the token itself becomes the commodity input, not the value proposition.

YOUR DATA AGENTS NEED CONTEXT

Data and AI agents struggle without proper context, and messy and disparate enterprise data complicates their ability to answer basic queries.

THE ERA OF “AI AS TEXT” IS OVER. EXECUTION IS THE NEW INTERFACE.

GitHub Copilot SDK enables AI-driven execution directly within applications, moving beyond simple text interactions.

INSTRUCTION HIERARCHY TRAINING FOR SAFER LLMS

OpenAI's IH‑Challenge is a dataset designed to train models to prioritize instructions based on trust level across system prompts, developers, users, and external data.

CLAUDE-GROUND

claude-ground introduces a minimal rule system for Claude Code, providing phase tracking, decision logging, and language-specific best practices to improve coding discipline.

SELECTIVELY REDUCING EVAL AWARENESS AND MURDER IN GEMMA 3 27B VIA STEERING

Google's Gemma 3 models, including the 27B variant, were steered to alter features correlating with evaluation awareness and the intent to murder.

CFTC CHAIR SAYS ‘AMERICA IS NOW THE CRYPTO CAPITAL OF THE WORLD,'

CFTC Chair Michael Selig announced the Project Crypto Initiative with the SEC to establish a clear asset taxonomy. The plan includes registration guidance for DeFi developers and rules for prediction markets. This shift from enforcement-led oversight aims to solidify the US as a global digital asset hub.

CIRCLE LAUNCHES NANOPAYMENTS ON TESTNET

Circle's Nanopayments infrastructure enables gas-free, sub-cent USDC transactions for AI agents using the x402 open standard. By aggregating off-chain payments for periodic on-chain settlement, the system supports machine-to-machine economies across networks like Arbitrum and Base, addressing cost barriers for high-frequency, micro-scale digital services.