What if every thought had the chance to become something extraordinary? Meet TK, the agentic notebook by Medium. Capture every spark, from shower thoughts to forgotten notes. With AI right where you write, connect the dots, surface new possibilities, and compound what you know without breaking your flow. Then turn your thinking into writing that’s unmistakably yours. With built-in community and an MCP server that connects to your favorite LLMs and AI tools.
I’m Tony, CEO of Medium. TK is our new agentic notebook, built by people who love to write, for a world that now runs on words.
Every AI tool you use gets better the more of your thinking it can read, so every word you write, even the messy ones, works on your behalf.
Chat apps can help you research, but TK helps you write. Three simple steps level up your writing: craft, compound, create.
1. Craft. Writing is thinking.
Craft your best writing distraction free—no clutter and a TK agent that works inline so that you never have take your fingers off the keyboard.
Pull ideas from an instant memory of all your words: voice memos from your walk, partial drafts, Granola notes, Claude research chats, anything you’ve ever written on Medium, and, yes, your old Bear or Obsidian vault.
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2. Compound. Every note makes the next one more useful.
Deep thinking comes from building on what you’ve written before. The TK agent can remember, prompt next steps, and organize all your writing. You can /wikify anything into a mini knowledge base, transform raw ideas into blog posts, and transform blog posts into books.
The deepest thinking requires feedback, so TK ships with built-in social and agentic feedback loops.
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3. Create. The more you write, the more influence you have on the world.
Share privately, publish publicly. Turn your ideas file into apps with Claude Code. Pass your written intelligence to any agent you work with.
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For maximalists, connect your writing to your entire agentic universe and run your entire day from a single Daily Note. Install the TK Claude plugin for this extremist view on fighting brain fry.
Free tier ships with everything other note taking apps charge for: unlimited notes, publishing, and collaboration. Plus built-in agent and social layers.
Pro tier is $12/month for full access to the TK agent, skills, summaries, and MCP.
Onward to more writing!
About TK by Medium on Product Hunt
“An agentic notebook to build your best thinking”
TK by Medium launched on Product Hunt on November 10th, 2026 and earned 126 upvotes and 16 comments, placing #6 on the daily leaderboard. What if every thought had the chance to become something extraordinary? Meet TK, the agentic notebook by Medium. Capture every spark, from shower thoughts to forgotten notes. With AI right where you write, connect the dots, surface new possibilities, and compound what you know without breaking your flow. Then turn your thinking into writing that’s unmistakably yours. With built-in community and an MCP server that connects to your favorite LLMs and AI tools.
On the analytics side, TK by Medium competes within Productivity, Notes and Artificial Intelligence — topics that collectively have 1.2M followers on Product Hunt. The dashboard above tracks how TK by Medium performed against the three products that launched closest to it on the same day.
Who hunted TK by Medium?
TK by Medium was hunted by Chris Messina. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Chris Messina
Hey Product Hunt 👋
I’m Tony, CEO of Medium. TK is our new agentic notebook, built by people who love to write, for a world that now runs on words.
Every AI tool you use gets better the more of your thinking it can read, so every word you write, even the messy ones, works on your behalf.
Chat apps can help you research, but TK helps you write. Three simple steps level up your writing: craft, compound, create.
1. Craft. Writing is thinking.
Craft your best writing distraction free—no clutter and a TK agent that works inline so that you never have take your fingers off the keyboard.
Pull ideas from an instant memory of all your words: voice memos from your walk, partial drafts, Granola notes, Claude research chats, anything you’ve ever written on Medium, and, yes, your old Bear or Obsidian vault.
---
2. Compound. Every note makes the next one more useful.
Deep thinking comes from building on what you’ve written before. The TK agent can remember, prompt next steps, and organize all your writing. You can /wikify anything into a mini knowledge base, transform raw ideas into blog posts, and transform blog posts into books.
The deepest thinking requires feedback, so TK ships with built-in social and agentic feedback loops.
---
3. Create. The more you write, the more influence you have on the world.
Share privately, publish publicly. Turn your ideas file into apps with Claude Code. Pass your written intelligence to any agent you work with.
---
For maximalists, connect your writing to your entire agentic universe and run your entire day from a single Daily Note. Install the TK Claude plugin for this extremist view on fighting brain fry.
Free tier ships with everything other note taking apps charge for: unlimited notes, publishing, and collaboration. Plus built-in agent and social layers.
Pro tier is $12/month for full access to the TK agent, skills, summaries, and MCP.
Onward to more writing!