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HackMD

@hackmd.io
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Streamlined documentation for teams and agent workflows 📄 Turn ideas into shared knowledge using Markdown Learn more: hackmd.io/home

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HackMD @hackmd.io · 28/09/2026
setup, signatures, and the full event list: buff.ly/oK5jRqg
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Webhooks: HackMD knocks when your notes change - HackMD
HackMD can now send a signed event to a URL you control whenever a note or folder changes. Here is how it works, who it is for, and what to know before you wire one up.
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HackMD @hackmd.io · 28/09/2026
HackMD Webhooks are live stop polling the API to find out whether a note changed HackMD sends a signed event when a note or folder changes, scoped to a workspace or one folder your script only fetches when there is something to fetch
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HackMD @hackmd.io · 25/09/2026
your docs have chapters, give them a book 📖 create a book right from your HackMD workspace add sections and dividers to organize your notes set permissions easily through your folder see how it all comes together 👇
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HackMD @hackmd.io · 24/09/2026
imagine all the markdown collaboration that can happen using the new @meta vr glasses 😍
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HackMD @hackmd.io · 22/09/2026
your HackMD notes can now power your @astrodotbuild site 💜 Astro just published an official guide showing you how to use HackMD as a CMS write and collaborate in Markdown, fetch your content with the HackMD API, and publish it with Astro build it here ↓ buff.ly/q0kyg60
buff.ly
HackMD & Astro
Add content to your Astro project using HackMD as a CMS
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HackMD @hackmd.io · 21/09/2026
import your .md files into HackMD and give your team one shared place to manage the knowledge powering your agents → collaborative → permissioned → governed by your team one home for the skills your agents depend on
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HackMD @hackmd.io · 16/09/2026
full details here: buff.ly/si9xOAs
hackmd.io
Book Mode is rebuilt: build your book from the sidebar - HackMD
You can now add, rename, reorder, and nest everything in a HackMD book directly from the sidebar, with no Markdown syntax to memorize and no refresh to remember.
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HackMD @hackmd.io · 16/09/2026
Book Mode is rebuilt add, reorder, and nest notes straight from the sidebar no syntax to memorize, no refresh to remember the notes were never the hard part, the table of contents was
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HackMD @hackmd.io · 14/09/2026
every note has a history now it has an API name a version, compare any two, roll a note back when your agent gets ambitious give it a try today: buff.ly/T8WIkvi
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HackMD @hackmd.io · 11/09/2026
most tools treat PDF export as a button that does something, and you find out what when someone else opens the file HackMD gives you a live preview and layout controls before you convert paper size, orientation, margins, scale ↗️
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HackMD @hackmd.io · 10/09/2026
markdown on the left rendered preview on the right iPhone Duo, you filthy little documentation machine 😍
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HackMD @hackmd.io · 09/09/2026
five endpoints, base url, and the exact request shapes: buff.ly/zWlFyp2
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The HackMD Versions API is now live - HackMD
You can now list, read, compare, and name a note's versions through the HackMD API. Here is what the five endpoints do, what they deliberately do not do, and how to try them.
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HackMD @hackmd.io · 09/09/2026
the HackMD Versions API is now live list, read, and compare a note's versions, and name one as a milestone your integrations can finally see how a document changed, not just what it says now
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HackMD @hackmd.io · 07/09/2026
take a break from Markdown and enjoy this beautiful Labor Day 🫶
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HackMD @hackmd.io · 04/09/2026
paste a link pick how you want it to look keep writing ✍️ with Link Preview you can turn any link into a clean reference or preview card without breaking your flow because your links should add context, not clutter
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HackMD @hackmd.io · 02/09/2026
your internal tools are only as good as the knowledge they read from stable IDs change detection version history that’s the infrastructure layer see how you can build on HackMD with REST, MCP, and a knowledge layer your agents can actually trust 👇 buff.ly/BeHD4fe
buff.ly
The Infrastructure Layer: how teams are building and the tools that are powering them - HackMD
Teams are building more internal tooling than ever, and nearly all of it depends on a knowledge layer that has to be addressable, versioned and permissioned. A walk through HackMD's REST API and MCP s...
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HackMD @hackmd.io · 31/08/2026
you have a problem your agent skills are scattered across repos, terminals, and local setups we have a solution 💜 create, share, and collaborate on skills directly from your HackMD workspace, terminal, or wherever your agent lives keep the knowledge shared instead of siloed ↓
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HackMD @hackmd.io · 27/08/2026
looking to give your agentic workflows a real knowledge layer they can actually work with? the official HackMD skills repo gives your agents ready-to-use skills for capturing work, publishing knowledge, and turning ideas into shared context 💜 buff.ly/GUsPBRX
github.com
GitHub - hackmdio/hackmd-skills: Get HackMD superpowers.
Get HackMD superpowers. Contribute to hackmdio/hackmd-skills development by creating an account on GitHub.
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HackMD @hackmd.io · 22/08/2026
we went to @renderatl expecting to talk about Markdown we came home thinking about something bigger 💜 read the full recap below 👇️ buff.ly/HCxQsHB
hackmd.io
Road to Render ATL: How the South brought together markdown, AI, and passionate engineers - HackMD
Two days at AmericasMart, one badge, and a through-line nobody planned. Justin Samuels, Robin Bender Ginn, Claudio Wunder, and Ethan Arrowood on stage; MCP and SKILL.md files in every hallway between…
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HackMD @hackmd.io · 20/08/2026
your local .md files deserve better than living alone on your desktop drag and drop them into HackMD to turn scattered markdown into a collaborative, centralized knowledge brain for your entire team 💜
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HackMD @hackmd.io · 17/08/2026
working on it 😉
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HackMD @hackmd.io · 17/08/2026
the goal of HackMD’s nonprofit program is mutual benefit we provide sponsored access, while helping projects gain visibility for what they’re building and the knowledge they already share it’s not about free labor, but about creating a partnership where both sides can amplify each other! 💜
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HackMD @hackmd.io · 17/08/2026
@menloresearch is building Asimov to open up humanoid robotics to more developers around the world HackMD helps keep their ideas, research, and knowledge moving forward together explore their work 👇️ buff.ly/qDoSy8S
hackmd.io
Menlo Research - HackMD
AI
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HackMD @hackmd.io · 14/08/2026
day two of @RenderATL is a wrap! Brian Muenzenmeyer + @wunderacle showed how markdown is shaping the next generation of Node.js documentation for humans and AI then @ArrowoodTech + the @openjsf community turned learning into contribution at Code & Learn this is why we believe in open knowledge 💜
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HackMD @hackmd.io · 12/08/2026
day one at RenderATL 🔥 Robin Ginn of the @openjsf challenged us to think about the humans and open source infrastructure keeping AI-generated code running @ThugDebugger explored the engineer’s shift from coder to producer in the AI era for us, both conversations reinforce our direction 💪
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HackMD @hackmd.io · 11/08/2026
version history in HackMD lets teams see how a note changed over time and restore an earlier version when needed collaborate freely nothing gets lost 🔄
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HackMD @hackmd.io · 10/08/2026
when you and your agent are deep in conversation 😂
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HackMD @hackmd.io · 05/08/2026
HackMD is excited to be on the ground next week at @renderatl, spreading the good word about open collaboration and Markdown documentation! grab your tickets below and catch us at a @nodejs session www.renderatl.com
renderatl.com
RenderATL 2026 | August 12 & 13, 2026
Render is the premier technology professional conference with a diverse lineup of technical speakers & immersive workshops featuring good vibes & great music.
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HackMD @hackmd.io · 04/08/2026
your docs should move with your code 🧑‍💻 sync your HackMD workspace to GitHub so your team can collaborate in real time while keeping markdown files, updates, and version history connected to the repo
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HackMD @hackmd.io · 03/08/2026
your code lives in VS Code your markdown documentation can too the official HackMD extension keeps notes, team docs, previews, and technical context inside the IDE where the work is already happening github.com/hackmdio/vsc...
github.com
GitHub - hackmdio/vscode-hackmd: The official HackMD VScode extension!
The official HackMD VScode extension! Contribute to hackmdio/vscode-hackmd development by creating an account on GitHub.
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HackMD @hackmd.io · 30/07/2026
One shared workspace HackMD keeps your planners, writers, reviewers, and human teammates working from the same context
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HackMD @hackmd.io · 29/07/2026
security teams should not have to choose between collaboration and control 🔐 HackMD Enterprise brings real-time documentation to your infrastructure with on-prem hosting, SAML SSO, private access, and auditable version history buff.ly/dKZRUmM
homepage.hackmd.io
Enterprise - HackMD
The best way to write and share your knowledge in Markdown.
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HackMD @hackmd.io · 27/07/2026
my family: how’s work me: so markdown is becoming the shared memory layer for AI agents 😅
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HackMD @hackmd.io · 23/07/2026
switching LLMs should not mean starting from zero one agent writes the context another picks it up your team sees the same source of truth HackMD keeps the work flowing across Claude Code, Codex, and any agent that can use the terminal see shared context in action 👇 buff.ly/G59gaDl
hackmd.io
Context Switching: Keeping your LLMs in sync - HackMD
Every agent you use starts from zero. This post walks through a real workflow where one LLM writes a spec into a HackMD folder, a different LLM pulls that same spec into its context, and both work…
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HackMD @hackmd.io · 20/07/2026
great ideas rarely happen alone HackMD provides your team with a secure place where they can write, edit, and build together in real time keep your team on the same page and your knowledge flowing 🌊
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HackMD @hackmd.io · 17/07/2026
for Mikerah, using HackMD was a no-brainer when you are building privacy-first infrastructure at @stoffelmpc.com, every technical decision needs context, rationale, and room for pushback security teams do better when the thinking is shared before the code ships
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HackMD @hackmd.io · 15/07/2026
haven't explored the HackMD community yet? 🤨 take a look at just how easy it is to publish your write-ups, gain feedback on your knowledge, or help others grow their ideas!
youtube.com
HackMD Community
we are excited to showcase our latest feature release, the HackMD community. built for technical ideas by technical teams. start exploring today! https://bit.ly/3SSa9Dc
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HackMD @hackmd.io · 13/07/2026
pov: you connected your agent to HackMD and finally gave it all the context it needed in a format it can actually read 🌴
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HackMD @hackmd.io · 09/07/2026
your next favorite idea might already be waiting for you buff.ly/AN5wJa9
hackmd.io
Explore the Community - Explore Community
Discover, share, and collaborate on knowledge notes with the HackMD community. Explore a vast collection of user-generated content across various topics and categories. Join us today and contribute…
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HackMD @hackmd.io · 09/07/2026
that is the heart of HackMD Community bringing great minds together so knowledge can move freely and ideas can grow in the open
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HackMD @hackmd.io · 09/07/2026
a note can be more than a finished piece of writing it can be a starting point
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HackMD @hackmd.io · 09/07/2026
we wanted to create a place where builders, writers, educators, open source contributors, and curious minds could find each other through ideas knowledge worth sharing
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HackMD @hackmd.io · 09/07/2026
the internet has no shortage of content but finding thoughtful notes, useful knowledge, and people building with intention is still harder than it should be HackMD Community is our attempt to make that easier
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HackMD @hackmd.io · 09/07/2026
we built HackMD Community around a simple belief great ideas should not stay hidden in private docs 🧵
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HackMD @hackmd.io · 08/07/2026
your notes just found their people introducing Community: publish a note on HackMD and it joins a shared space where anyone can discover it, learn from it, and build on it knowledge that moves 💜 buff.ly/w2EMBN0
hackmd.io
Introducing Community: A New Way to Share and Collaborate on HackMD - HackMD
Your public notes have always been shareable. Now they're discoverable. HackMD Community turns published notes into a shared space where you can explore what others are building, learn from real…
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HackMD @hackmd.io · 07/07/2026
from collaborative markdown to a polished PDF in just a few clicks 📄 write together in HackMD export cleanly share anywhere your docs should look as good as the ideas inside them
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HackMD @hackmd.io · 02/07/2026
we went to extreme heights to let the world know about HackMD 🫡
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HackMD @hackmd.io · 01/07/2026
If you could add one HackMD API endpoint to make your workflow easier, what would it be? 🤔
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HackMD @hackmd.io · 30/06/2026
give your agents a bigger brain 🧠 install the HackMD CLI in your terminal and keep notes, skills, prompts, and project context flowing where your agents already work
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Reposted by HackMD
Jayke @jaykethegm.bsky.social · 23/06/2026
Hey #ttrpgcommunity! As the last release before 1.0, the Frontiers Sci-Fi Quickstarter is NOW LIVE on @hackmd.io It's a starter with simplified mechanics, multi-path leveling inspired by ARPGs, and lots of customization! A fully playable #ttrpg microgame! Check it out! hackmd.io/@frontiers-e...
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