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AgentBox
AgentBox is Rui Carmo's Docker-based sandbox for running coding agents in isolation. The README is refreshingly honest about the state of the art: "There's no perfect way to sandbox agents (yet), but containers are a practical start." MIT licensed, ~141 stars, mostly Dockerfile and Makefile.
Zencastr
Zencastr is an all-in-one remote recording platform for podcasters, video creators, and interviewers. Founded in 2016, endorsed by people like Seth Godin and Sam Harris. The pitch: spend less time juggling tools, more time making content.
OpenMontage
OpenMontage is an open source (AGPLv3) agentic video production system. You describe the video you want in plain language, and an AI coding assistant (Claude Code, Cursor, Copilot, Windsurf) handles the whole chain: research, scripting, asset generation, editing, and composition. No manual editing w
Concepts Website
A curated, cross-linked collection of concepts — designed to learn from first principles. Built from concept cards and published as a website.

DeveloPassion's Newsletter #214 - Timeline Mode and the Summer Sale

The 2026 Summer Sale Is On - 30% Off Everything Until July 30

Kanban Action Planner plugin for Obsidian
Agentic Resource Discovery Server plugin for Obsidian
Obsidian community plugin that turns your vault into a local-first Agentic Resource Discovery (ARD) publisher and Agent Registry. It scans your AI Skills, builds a rich `ai-catalog.json`, and runs a localhost server so AI agents on your machine can discover and fetch exactly the skill they need by n
Docker Agent
Docker Agent is Docker's open-source framework for running teams of specialized AI agents that delegate to each other, configured entirely in YAML and shipped as OCI artifacts. Built on the `cagent` engine; runs with `docker agent run config.yaml`.
Obsidian AI Skills by Steph Ango
Obsidian AI Skills (the `obsidian-skills` repository) is an open set of Agent Skills published by Steph Ango (kepano), Obsidian's CEO, that teach AI agents to read and write Obsidian's file formats natively instead of guessing at them. It went up in June 2026 and blew up fast; it was already past 37
Markr
Markr is a tiny desktop timer that lets you bookmark moments while you record, so editing means jumping to marks instead of scrubbing the whole clip. Mark the moment as it happens, not after. Electron/React/TypeScript, MIT.

How I Turned My Obsidian Notes Into Kanban Boards

Knowii Voice AI 0.7.0 - Rock-Solid Linux Support
Loop Engineering Went Mainstream
Mid-2026, and "loop engineering" is now the phrase you keep seeing in AI conversations. Boris Cherny from Anthropic (creator of Claude Code) said it directly: "I don't prompt Claude anymore. My job is to create loops." Peter Steinberger made the same point in his own words: stop prompting coding age
Comprehension Debt
Comprehension debt is the gap between what a system does and what its owners actually understand about it. Every line of code you ship without understanding adds to it. You still own the behavior; you just can't explain it, debug it, or safely change it.
AI and Context Engineering Glossary
Unified terminology reference for AI, Context Engineering, and Knowledge Management. Organized by domain. Each entry links to its dedicated vault note.
The strongest version of you is buried under the habits you're afraid to break
> The strongest version of you is buried under the habits you're afraid to break
Claude Tag
Claude Tag is Anthropic's way for teams to work with Claude as a teammate inside Slack. Announced June 23, 2026 (beta for Claude Team and Enterprise), it lets Claude join Slack as a team member: admins grant it access to selected channels, tools, data, and codebases, and anyone in a channel can tag
Claude Sonnet 5
Claude Sonnet 5 is Anthropic's mid-tier Claude model, released early July 2026. Anthropic calls it "our most agentic Sonnet yet": it plans, drives browsers and terminals, and runs autonomously at a level that required Opus-class models a few months earlier. The pitch is simple: near Claude Opus 4.8



