Florian Narr

AGENTS.md proposes a single file convention — like a README but for AI coding agents — so that tools like Codex, Cursor, Copilot, and two dozen others all read the same project instructions.

Notifuse is an open-source Go + React email platform that handles newsletters, transactional sends, and multi-node automation workflows — self-hosted, multi-tenant, and with a circuit breaker built into the broadcast layer.

A Python library that takes base forecasts from any model and applies statistical reconciliation methods so predictions are coherent across all levels of a hierarchy — country, region, city, and so on.

Dayflow is a native macOS app that silently screenshots your screen every 10 seconds, feeds those frames to an AI of your choice, and builds a timestamped timeline of what you actually did all day — locally, without shipping your screen to any company-con…

A lightweight React renderer for Notion's internal block map format, letting you use Notion as a headless CMS with a fraction of the performance cost of loading Notion directly.

SerpBear is an open-source keyword rank tracking app that routes Google scraping through your choice of proxy or third-party API, stores everything locally in SQLite, and surfaces position changes via email.

Genkit is Firebase's production AI framework for TypeScript, Go, and Python — a plugin-based runtime that unifies model calls, tool execution, structured output, and multi-turn agent loops behind a single API.

A thought experiment on building a marketing agency staffed entirely by AI agents — from market research to campaign optimization in under an hour.

Generative AI creates on command.

Breaking down the modular architecture that makes AI agents autonomous — from the ReAct reasoning loop to memory systems and multi-agent orchestration.

Ink lets you build interactive terminal UIs with React components and Flexbox layout — backed by a custom React reconciler and Facebook's Yoga engine instead of the DOM.

OpenAEV is an open source platform for planning and running adversarial simulation campaigns — think scheduled attack scenarios, multi-agent injection, and real detection validation — built in Java by the team behind OpenCTI.

A curated index of penetration testing tools, resources, and techniques spanning recon, exploitation, exfiltration, and post-exploitation — organized by attack phase and actively maintained.

A Python library that treats video clips as numpy array pipelines — cut, composite, and export video programmatically without touching a timeline editor.

sitefetch is a CLI and Node.js library that crawls an entire website, strips it to readable text via Mozilla Readability, and outputs it in a format ready to feed into an LLM context window.

A curated collection of 70+ runnable LLM apps covering RAG, multi-agent systems, MCP, and voice — each one a self-contained Streamlit app you can clone, configure, and run.

disposable-email-validator is a TypeScript library that blocks throwaway email addresses and plus addressing based on environment-specific config — strict in production, permissive in development.

A breakdown of the top performance ad channels for 2025 and why AI-driven experimentation matters more than sticking with what worked last year.

Modern paid advertising is precision work — the complexity of multi-channel campaigns, AI bidding, and privacy regulations makes specialized agency expertise a real competitive edge.

An open-source TypeScript framework for building multi-agent systems with typed tools, supervisor/sub-agent delegation, and a declarative workflow engine that supports human-in-the-loop suspension.

mlforecast turns any sklearn-compatible regressor into a time series forecasting pipeline by handling lag feature engineering, recursive prediction, and multi-series scaling — all the parts that are tedious to build yourself.

This week: Vexa runs meeting transcription on-device without a GPU, and a hero section speed-build that's worth a look.

This week: Microsoft ships a Postgres VSCode extension with schema visualization and intellisense, pg_trgm + GIN for fast autocomplete, turning repos into Cursor context, and Google Stitch launches.

Sim is an open-source platform to build and orchestrate AI agent workflows on a visual canvas, with a DAG-based execution engine that handles loops, parallel branches, and human-in-the-loop pauses.

tsfresh extracts hundreds of statistical features from time series data automatically, then uses hypothesis testing to filter out the ones that don't matter for your target variable.

Lars Grammel teasing AI SDK 5's loop control and message persistence, stagewise letting Cursor talk to your browser, and Polar making payments a one-liner in Hono.

The official Model Context Protocol reference implementations — seven servers that show exactly how to give LLMs controlled access to filesystems, shell commands, memory, and more.

This week: MCP vs function calling clarified, Tiptap 3.0 beta, Windsurf's agent writing prompts to itself, Cursor's new design mode, and YC's notes on vibe coding.

Opteo's unofficial Google Ads API client for Node.js wraps a painful gRPC/protobuf interface into clean TypeScript with streaming, hooks, and a GAQL query builder that generates type-safe SQL-like strings at the type level.

Linear launches an MCP server for AI agent access to project data, Polar ships usage-based billing for SaaS, and the software engineer career ladder gets one extra rung.

A thin week — one software bookmark worth keeping: a local AI tool for live meeting notes and transcription that runs entirely on your device.

mcp-server-browserbase gives LLMs six clean tools to control a real cloud browser via Stagehand, with a session manager that handles the messy lifecycle work nobody talks about.

Zustand is a tiny React state management library that replaces Redux boilerplate with a single hook and a plain JavaScript object.

Llama 4 hits T3 Chat free tier via Groq, Marc Lou on picking one stack and staying there, Guillermo on Polar's financial infra, and AI wrappers framed as the dotcom land-grab of this era.

AI SDK ships native web search support, OpenAI launches a free learning platform, and Marc Lou accidentally spends $500 on Facebook ads to watch his visitor map light up.

Anthropic opens an engineering blog, Nanobrowser brings multi-agent automation to Chrome, and a solid HTTP security reference rounds out a week heavy on AI tooling.

MCP expanding into design tools, Builder.io ships AI-generated on-brand Figma designs, a free cursor rule builder, and Remotion's React video approach.

v0's 2000+ line system prompt dissected, Loki's open-source log aggregation highlighted, and animated cursor React components.

CSS doing more than it should, local Supabase in two commands, a 3D game starter kit for Cursor, levelsio shipping dogfight mechanics, and a quick startup-idea trick.

Claude 3.7's UI generation is genuinely impressive, Anthropic drops an agent-building guide, and a handful of useful dev tools this week.

A Java/Groovy web app that turns any Google Chromecast into a managed kiosk display — push URLs, schedule rotations, and monitor device status from a browser UI.

A syntax highlighting hook and component for React built on Shiki, with streaming support, multi-theme switching, and a bundle architecture that doesn't bloat your client.

Supabase via MCP to Cursor, open-source RAG infrastructure, browser automation for AI agents, and a real-world lesson in why stripping color from your site tanks rankings.

Keep is an open-source AIOps platform that centralizes alerts from 130+ monitoring tools, deduplicates them with configurable rules, and lets you write YAML workflows that fire actions across any of those integrations.

Kats is a Python library from Meta's Infrastructure Data Science team that unifies change point detection, anomaly detection, forecasting, and feature extraction behind a single TimeSeriesData abstraction.

Cursor workflow tricks, HuggingFace's free AI agent course, an open-source deep research alternative, and LangGraph turning any OpenAPI spec into a natural language API.

Postiz is a self-hosted social media scheduling tool supporting 35+ platforms, with an AI content pipeline and a Temporal-backed job engine that makes Buffer-style reliability achievable without the SaaS price tag.

Cursor 0.45 ships file-type-specific AI rules, an open-source generative-UI search engine surfaces, and some sharp UI design references.

DeepSeek R1's technical paper, an AI reasoning layer for useChat, a web scraper hitting 7k bookmarks, an OCR toolkit, and an LLM course worth saving.

Anthropic ships a Citations API, open-source AI text editor lands on GitHub, Tom Dörr drops three tools in one week, and the AI agents space keeps moving.