The Best Knowledge Base and Notes Tools With MCP Support (2026)

Ten tools can hold your business context (positioning, brand voice, processes, rules) as shared notes or docs that ChatGPT, Claude and other AI agents read and update over MCP: LotsNotes, Notion, Slite, Guru, Outline, Fibery, Superhuman Docs (formerly Coda), AI Context Flow, Perfect Wiki and Frontify. They differ in what they were built for, whether MCP comes with the free plan, how they charge as your team grows, and what you can keep away from agents. LotsNotes is built for one job: a single set of business notes that every agent you use reads before it works, free for one person with MCP and REST, and one payment of $99 when your team joins.

I run LotsTech's agents this way. Every agent's instructions, plans and handoffs, plus the marketing facts for each product, live in LotsNotes, and Claude, Codex and cloud agents read the same notes. This list covers tools with an official MCP server where an agent can read your context and, in most cases, write it back. I opened each vendor's own MCP page or docs and its pricing page on 12 October 2026 and linked them at the end.

Knowledge base and notes tools with MCP at a glance

1. LotsNotes: one set of business notes every agent reads

LotsNotes is where you write what your business knows once: what you sell, who it is for, how you sound, the rules and the decisions. You organize it in a workspace with folders (folders can sit inside folders), and every agent you connect reads the same current notes. Claude, ChatGPT, Codex and Cursor connect to https://api.lotsnotes.com/mcp and sign in with OAuth, no key needed. Cloud agents and your own scripts use the REST API with a key.

• Built around how agents read. Workspace notes come back with every folder's notes, so house rules reach every agent. A note titled AGENTS.md is the instruction file agents read first, at workspace or folder level. Agents find notes by title and read only the ones they need, so you don't paste a giant prompt.
• One folder per product, client or agent. An agency keeps each client in its own folder and the agent opens the right one. I keep one folder per agent, with its AGENTS.md, plan, handoff and ledger, so a different agent can pick up the work tomorrow.
• Private stays private. Notes are shared or private. Private notes stay on lotsnotes.com and are never returned to agents or the API. Shared notes follow your roles: owners, admins and members edit, viewers read.
• You stay in control of agent edits. Every save keeps a version you can restore. If someone else changed a note while you were editing, LotsNotes asks before overwriting. Every note an agent reads or saves comes back with its lotsnotes.com link, so the agent can hand you the page to review. The Workspace page lists connected apps with when each was last used, and you can disconnect one everywhere.
• 22 MCP tools, from listing workspaces and folders to finding, reading, creating, updating and moving notes, listing and restoring versions, and archiving or restoring notes and folders.
• Pay once, not per seat. Free covers one person: 1 workspace, 3 folders, unlimited notes and checklists, MCP and REST. LotsNotes Pro is one payment of $99 for unlimited workspaces, folders and team members with roles. It is included while you have a Pro or Business plan of LotsSocial, LotsBlog, LotsTeam or LotsCRM.

LotsNotes stores and serves your context; your agent does the thinking. It runs on the web at lotsnotes.com. Choose LotsNotes if you're a founder, operator, marketer or small agency that uses more than one agent and wants every one of them working from the same business facts, without a monthly bill per person.

2. Notion: the broad workspace, with MCP hosted by Notion

Notion MCP is a remote server hosted by Notion. After you authorize a connection with OAuth, an MCP client such as Claude, ChatGPT, Cursor, Claude Code or Codex can search content in Notion and connected sources, read, create and update content, and create pages and databases. Notion's help center says the tools act with your full Notion permissions, so they can reach everything you can, and suggests clear page titles because agents rely on them. On the Enterprise plan, admins can allow only approved AI apps. Plans start free, with Plus from $10 and Business from $20 per member a month; yearly billing saves up to 20%.

Choose Notion if your team already lives in it for docs, databases and projects.

3. Slite: a knowledge base with a wide MCP tool list

Slite's MCP server at https://api.slite.com/mcp uses OAuth and inherits the signed-in user's permissions. Its help center lists 41 tools for reading and writing: search notes and connected sources, create and update notes, edit ranges, move and archive. Its MCP page says actions can be queued for human approval. It works with Claude, ChatGPT, Cursor, Gemini and Codex. MCP and API access start on Basic at $10 per user a month billed yearly; Pro at $20 adds the Slite Agent and search across connected tools. There's a 14-day trial with no card.

Choose Slite if you want a team knowledge base with doc verification and a large tool surface.

4. Guru: verified answers through Knowledge Agents

Guru's MCP server at https://mcp.api.getguru.com/mcp connects AI tools to your Guru knowledge through Knowledge Agents. An agent can ask a Knowledge Agent a question, search cards and sources, read cards, and create cards or draft edits, which go through the same review and publishing workflows your team uses in Guru. Guru says MCP respects existing permissions and logs every query in its AI Agent Center. You connect with OAuth (pre-approved for some apps, others may need allowlisting) or an API token. Pricing is a package scoped on a call, with no public price.

Choose Guru if you're a larger company that wants governed, verified answers across many connected sources.

5. Outline: a team wiki with MCP built in

Outline's changelog says every workspace now comes with an MCP server built in. Its docs say AI assistants like Claude, ChatGPT and Cursor can search, read, create and edit documents, and find, create and resolve comments. You connect at https://<yoursubdomain>.getoutline.com/mcp with OAuth or an API key, an admin can switch MCP off for the workspace, and a settings field lets you add guidance for the AI. Cloud pricing is by team size: $10 a month for 1 to 10 members, $79 for 11 to 100 and $249 for 101 to 200, with 30 days free. It can also be self-hosted.

Choose Outline if you want a fast Markdown wiki with flat team pricing or the option to self-host.

6. Fibery: a connected workspace your agent can reshape

Fibery runs a remote MCP server at https://mcp.fibery.io/mcp with OAuth, no API token needed. Its page lists 50+ tools covering querying databases, searching, reading activity history, creating entities, managing workflows, writing documents and modifying schema. Its setup guide covers Claude, ChatGPT, Claude Code, Codex, Cursor and more. Free allows up to 10 users; Standard is $12, Pro $20 and Enterprise $40 per user a month billed annually, with free read-only observers.

Choose Fibery if your context lives in linked databases (features, bugs, customers) rather than plain notes.

7. Superhuman Docs (formerly Coda): docs and tables over MCP

Coda is now Superhuman Docs. Its help center says the Docs MCP lets AI clients read and write your docs, pages and tables, and that the older Coda MCP will eventually be deprecated in favour of it. ChatGPT, Claude and Cursor connect with OAuth; Codex and Copilot Studio use personal access tokens. When you connect from ChatGPT you can grant full access or limited access to chosen workspaces and folders. The Free plan has an MCP trial; Pro, at $12 per Doc Maker a month billed annually or $15 monthly, lists "Create with Claude and more via MCP". Business is $33 billed annually.

Choose Superhuman Docs if your team's processes run in docs with tables and automations.

8. AI Context Flow: personal memory across chat apps

AI Context Flow, from Plurality Network, lets you save context once and reuse it in ChatGPT, Claude, Gemini, Grok and Perplexity through a browser extension. Its MCP server at https://app.plurality.network/mcp signs in with OAuth and gives MCP clients like Cursor and Claude Code access to the same memory spaces, and its page says you can share a memory space with your team. The MCP server is on every plan, including Free. Plus is $10 a month or $99 a year, and Pro $20 a month or $199 a year.

Choose AI Context Flow if you mostly work in browser chat apps and want your own context inside each one.

9. Perfect Wiki: SOPs inside Microsoft Teams, with MCP

Perfect Wiki keeps SOPs, manuals and FAQs inside Microsoft Teams and Slack. Its official MCP server at https://api.perfectwiki.xyz/mcp uses OAuth, and on the consent screen you pick one knowledge base and grant read-only or read and write access. The tools ask questions with sourced answers, and list, read, create, update and delete pages. Its FAQ says MCP is included in every plan. You pay per editor: $12 a month billed yearly or $24 monthly, and readers are free. There's a 14-day trial with no card.

Choose Perfect Wiki if your company works in Microsoft Teams and only a few people write the docs.

10. Frontify: brand guidelines for agents

Frontify's MCP server gives agents its brand guidelines, assets and templates, so Claude, ChatGPT, Cursor or Figma can read tone of voice rules and style guides, find logos and images, and generate designs from brand templates. It has 52 tools grouped in packs. The default discovery pack is read-only with 25 tools; other packs can upload, organize and run workflows. An account admin enables it at no additional cost, and Frontify is in Claude's connectors directory. Pricing is by monthly active users with no public price.

Choose Frontify if you're a brand team and the context your agents need is visual guidelines and approved assets.

What to check before you give an agent your business context

• Was it built for agents, or did it add MCP to a bigger product? LotsNotes and AI Context Flow exist to serve context to agents. Notion, Slite, Outline, Fibery and Superhuman Docs are workspaces and wikis that added MCP, which is great if your team already writes there.
• Can you keep some notes away from agents? LotsNotes never returns private notes through MCP or the API. Perfect Wiki scopes each connection to one knowledge base, Superhuman Docs lets you limit a ChatGPT connection to chosen folders, and Frontify's default pack is read-only. Notion's help center says its MCP tools act with your full Notion permissions.
• Does it come with the free plan? MCP is on the free plans of LotsNotes and AI Context Flow. Slite starts MCP on Basic, Superhuman Docs gives Free a trial, and Perfect Wiki includes it on every paid plan with a trial.
• How does the price grow? Per member or user (Notion, Slite, Fibery, Superhuman Docs), per editor (Perfect Wiki), by team size (Outline), per package (Guru, Frontify), per plan (AI Context Flow) or one payment for the whole team (LotsNotes Pro).

How to choose

• One set of business facts that every agent reads, for a founder or small team, without per-seat pricing: LotsNotes.
• Your team already works in Notion: Notion.
• A team knowledge base with verification: Slite or Guru.
• A Markdown wiki you can self-host: Outline.
• Context in linked databases: Fibery.
• Docs with tables: Superhuman Docs.
• Your own memory inside browser chat apps: AI Context Flow.
• SOPs in Microsoft Teams: Perfect Wiki.
• Brand guidelines and assets: Frontify.

Start with your agent

Create a workspace, write an AGENTS.md note and a positioning note, then connect your agent. In Claude Code:

claude mcp add --transport http lots-notes https://api.lotsnotes.com/mcp

Setup for Claude, ChatGPT, Codex, Cursor and cloud agents is on lotsnotes.com/mcp. Free for one person, no card; Pro is one payment. See pricing.

Common questions

Which tools let ChatGPT and Claude read my business notes over MCP?

LotsNotes, Notion, Slite, Guru, Outline, Fibery, Superhuman Docs, AI Context Flow, Perfect Wiki and Frontify each document an official MCP server that ChatGPT, Claude or both can connect to. Most use OAuth, so you sign in instead of pasting a key.

Can an AI agent update my notes, or only read them?

Most of these let an agent write. LotsNotes, Notion, Slite, Outline, Fibery, Superhuman Docs and Perfect Wiki allow creating and updating content. Guru sends agent edits through its review workflow, and Frontify's default pack is read-only. In LotsNotes every save keeps a version you can restore.

Can I keep some notes private from AI agents?

In LotsNotes, yes: private notes are visible only to you on lotsnotes.com and are never returned through MCP or the API. Perfect Wiki scopes each connection to one knowledge base, and Superhuman Docs lets a ChatGPT connection reach only chosen folders.

Do I need a paid plan to connect an agent?

Not with LotsNotes or AI Context Flow, whose free plans include MCP. Slite starts MCP on its Basic plan, Superhuman Docs offers an MCP trial on Free and full access on Pro, and Perfect Wiki includes MCP on every plan with a 14-day trial.

What is an AGENTS.md note?

It's a note titled AGENTS.md that holds instructions agents should read first. In LotsNotes it can sit at workspace level, where it reaches every folder, or inside one folder for one product, client or agent.

Do I need MCP or a REST API?

MCP is for AI clients like Claude, ChatGPT, Codex and Cursor. A REST API is for cloud agents and your own code. LotsNotes includes both on every plan, including Free.

Details checked on 12 October 2026 from the vendors' own pages: Notion MCP help, developer docs and pricing; Slite MCP, help and pricing; Guru MCP server, help and pricing; Outline MCP changelog, docs and pricing; Fibery MCP server, setup guide and pricing; Superhuman Docs MCP help, guide and pricing; AI Context Flow; Perfect Wiki MCP and pricing; Frontify MCP help and pricing. LotsNotes details from lotsnotes.com/pricing, lotsnotes.com/mcp and its public tool list. Prices and features change; check each vendor's page for the latest.