TK by Medium: An agentic notebook to build your best thinking

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.. Launched on Product Hunt with 239 upvotes and 41 comments · Productivity, Notes, Artificial Intelligence.