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Useful PKM Concepts, Methods and Best Practices

Here's a list of useful Personal Knowledge Management (PKM)) concepts, methods and best practices:

2026-10-15 Templater 2.26 removed its default hotkeys - how to get them back

I pressed Alt+E to insert a template, and nothing happened. Templater was enabled and my templates were fine. The shortcut was simply gone.

Cloudflare Clef

Clef is a family of two decision models) that Cloudflare released on 1 October 2026: Clef (27B) and Clef-flash (9B). They're the first models trained by the Cloudflare Workers AI team itself. Both are hosted on Workers AI, and the weights are on Hugging Face under the Apache 2.0 license.

OfficeCLI

OfficeCLI is an open-source command-line tool that lets AI agents create, read and edit Word, Excel and PowerPoint files (`.docx`, `.xlsx`, `.pptx`). You don't need Microsoft Office: it ships as one self-contained binary for macOS, Linux and Windows, and every command can answer in JSON. It comes fr

claude-hook-utils

claude-hook-utils is a small Python library for writing Claude Code Hooks as classes. You subclass `HookHandler`, override the method for the event you care about and return a response object. The library reads the JSON that Claude Code sends on stdin and prints JSON in the exact shape Claude Code e

Copilot Notebooks

Copilot Notebooks (officially Microsoft 365 Copilot Notebooks) is Microsoft's AI project workspace. You gather everything related to a piece of work in one notebook: Copilot chats, Word documents, PowerPoint decks, Excel sheets, PDFs, Loop files, OneNote pages and links. Copilot then answers your qu

OWASP MCP Security Taxonomy

The OWASP MCP Security Taxonomy is an open, vendor-neutral classification of the security risks of the Model Context Protocol (MCP)): risks, weaknesses, attack patterns, controls, detections and test cases. It lives in the `OWASP/MCP-Taxonomy` repository on GitHub, under the GPLv3 License, and is ma

IsItAgentReady

IsItAgentReady is a free scanner from Cloudflare. Give it a URL and it scores how well the site supports the standards AI Agents use to find, read, access and pay for things on the web. Cloudflare introduced this "Agent Readiness score" during its Agents Week.

Agent Plugins Specification

Agent Plugins is an open, vendor-neutral specification for packaging what extends AI Agents into a single portable directory. Version 1.0.0 is the current release and 1.1.0 is a working draft. Code and schemas are under the Apache 2.0 License, the documentation under CC-BY-4.0.

Claude Marketplace

The Claude Marketplace (claude.com/marketplace) is Anthropic's storefront for the connectors, plugins, partner products and service partners you can use with Claude. Its tagline: "Connect your apps, data and tools to Claude". The page has three sections, named after verbs:

Claude Code effort levels

Effort tells Claude roughly how much compute you want it to spend on a task. In Claude Code there are five levels (`low`, `medium`, `high`, `xhigh`, `max`), and you can change it at any time with `/effort`. On Claude Opus 5.5 and Claude Fable 5.1, switching mid-conversation doesn't break the prompt

sys1

sys1 is an open-source inference server written in Rust by Alvaro Bartolome. It serves open-weight System One models behind an API that copies TypeSafe AI's: you send the same request you'd send to Jev (a state plus typed questions) and get typed answers with probabilities back. Except it runs on YO