# The best Notion alternatives For a knowledge base your AI can read and write, not a workspace. If you want a Notion alternative your AI can actually read and write, the simplest pick is [Hjarni](https://hjarni.com/best-mcp-knowledge-base): a focused Markdown knowledge base with an official MCP server, built in and hosted, so ChatGPT and Claude work from your notes directly. Notion is a powerful workspace, but it is heavy if all you want is AI-readable memory. 1. Hjarni A focused, hosted Markdown knowledge base built around AI. ChatGPT, Claude, and any MCP client read and write the same notes, and free apps cover iPhone, iPad, Mac and Android. MCP: official, built in, and hosted (OAuth). First-party and remote: nothing to install. Not a workspace either: no databases or project boards by design. 2. [Obsidian](https://hjarni.com/compare/hjarni-vs-obsidian) Local-first Markdown files you fully own, with a large plugin ecosystem. MCP: third-party plugins, manual setup. Local-only, so remote assistants need extra plumbing to reach it. 3. [Anytype](https://hjarni.com/compare/hjarni-vs-anytype) An open-source, local-first, end-to-end encrypted take on a Notion-style object database. MCP: official, but a local server you install and run. An npm package plus an API key, and you model notes as typed objects rather than plain documents. 4. [Logseq](https://hjarni.com/compare/hjarni-vs-logseq) An open-source, local-first outliner for block-based thinkers. MCP: community bridges only. Block outlines instead of full documents; no first-class MCP. ## Why people look for a Notion alternative Notion is a brilliant all-in-one workspace: databases, docs, wikis, and project tracking in one place. The reasons to leave are usually the same reasons it is powerful. It is a lot of product to maintain, every team structures it differently, and if your real goal is notes your AI can read, the databases and views are weight you do not need. The other common trigger is AI. Notion has its own AI and an official hosted MCP server for external assistants. If the workspace feels too broad, a focused Markdown knowledge base may be a better fit. ## Notion alternative with MCP This is the specific thing many people are searching for: a Notion alternative with MCP that their own assistant can use. A few honest options: - **Hjarni** ships the MCP server built in, works with Claude, ChatGPT, Cursor, and Codex, and stores plain Markdown. It is the closest "Notion but for AI memory" option. - **Anytype** has an official MCP server you install and authenticate separately, if you want local-first and encryption. - **Obsidian** can do MCP through community plugins, with more setup, if local files matter most. ## What to look for Three things separate a good AI knowledge base from a generic notes app: it stores plain Markdown you can export and own, it has a built-in MCP server so there is nothing to bolt on, and the same notes work with both ChatGPT and Claude rather than one assistant. Hjarni was built around those three; Notion also connects external assistants over its official hosted MCP server, within a broader workspace of pages and databases. > Notion runs your workspace. A focused knowledge base just remembers what you know, for whichever AI you ask. ## When to stay on Notion If you rely on databases, properties and views, project management, or a company wiki, Notion is still the stronger product and switching would cost you capability. The case for moving is narrower and honest: you mostly write notes, you want them clean for AI, and you would rather not maintain a whole workspace to get there. If you do move, export your Notion pages as Markdown and [import the ZIP into Hjarni](https://hjarni.com/docs/import). ## Stay on Notion if - You need databases, views, and project management - Your team runs operations and wikis in one workspace - Notion AI is enough and you stay inside Notion ## Switch to Hjarni if - You want notes both ChatGPT and Claude can read and write - You want a built-in MCP server, not a workspace add-on - You want fewer moving parts and plain Markdown you own Common questions ## Common questions **What is the best Notion alternative with MCP?** Hjarni: a focused Markdown knowledge base with a built-in MCP server, lighter than Notion and readable by ChatGPT, Claude, and any other MCP client. Notion also offers hosted MCP for external assistants. Choose Hjarni for focused Markdown notes, folders, and tags rather than a full workspace. **Does Notion have MCP?** Yes. Notion offers an official hosted MCP server that external assistants such as ChatGPT, Claude, and Cursor can read and write through. Hjarni's distinction is its focused Markdown knowledge base, not exclusive access to external AI. **Why switch from Notion?** Notion is a broad workspace with databases, docs, and project management. If you mainly want notes your AI can read and write, that breadth is weight you do not need. A focused knowledge base is simpler to keep clean for AI memory. **Can I import my Notion pages into Hjarni?** Yes. Export your Notion pages as Markdown and drop the ZIP into Hjarni's importer. There is no direct connector today, but the Markdown path preserves your structure. **Is there a free Notion alternative for AI memory?** Hjarni's free tier includes full MCP access. Obsidian is free and local-first if you prefer files on your own machine, though its AI access is plugin-based rather than built in.