Notes and knowledge management
Help users and agents store, organize, search, edit, and reuse notes, bookmarks, documents, and personal knowledge across persistent memory systems.
Broad market: the products here are related but not always substitutes for the same job. Treat the index as a market-wide signal, not a like-for-like comparison.
Price index, 100 = 6 Jul 20266 Jul 2026 – 22 Oct 2026
Fair price
| Buyer tier | Fair price / month | Typical range | Listings |
|---|
| Individual | $6 | $4.99–$9.24 | 10 |
| Pro | $9 | $5–$12.99 | 17 |
| Team / small business | $14.92 | $10–$15 | 5 |
| Enterprise | too few prices | 0 |
| Payment model | Share offering it |
|---|
| Free plan | 89% |
| Subscription | 85% |
| One-time | 22% |
| Pay per use | 7% |
One-time purchases: median $49.
Fair price is set per buyer tier: the median entry monthly price of the listings that price that tier, with the middle half of prices as the typical range. Current published prices, converted to US dollars. A tier is shown only when at least 3 listings price it. Typical model: subscription.
What moved it
Prices in notes and knowledge management rose overall, driven by price rises at a few listings. Most of the movement came from a single listing.
Coverage
27 listings in this group; 2 changed price between 6 Jul 2026 and 22 Oct 2026. A median of 10 priced listings contributed each day.
Products in this group
Current published prices, converted to US dollars, lowest monthly first.

NotesMCP serverClean notes that you and your AI agent keep together. Markdown notes in folders, with files such as photos, receipts and PDFs, and nothing…
Pro $1.99/mo · free plan
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Pinpal NotesMCP serverA beautiful, simple notes app for iPhone, iPad and Mac that your AI can open too. Folders, notes and checklists, and nothing else: no…
Pro $1.99/mo · free plan
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FreshjotsMCP serverProvides MCP server for reading and writing notes
Individual $2/mo · Team / small business $14.92/mo · free plan
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KnownbaseMCP serverKnownbase gives AI agents durable, structured project memory that persists across sessions, tools, and workflows. Through MCP, agents can…
Individual $2.50/mo · Team / small business $15/mo · free plan
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Raindrop IoMCP serverManages bookmarks with organization, search, and filtering capabilities
Pro $2.93/mo · free plan
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Caliu NotesMCP serverRead and write your Caliu notes from any MCP client. Caliu is a local-first markdown notes app for web, iPhone, iPad and Mac. It works…
Pro $2.99/mo · $64.99 one-time · free plan
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NocalMCP serverProvides calendar-connected note-taking and task management with AI agent integration via MCP
Individual $4.99/mo · free plan
Website ↗DDexiMCP serverSearch and manage your Dexi notes — every saved item (plain notes, bookmarks, saved emails, RSS feed articles) is note-backed, so one tool…
Individual $5/mo · Team / small business $10/mo · free plan
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Mad LitMCP serverMad Lit is a markdown notes app with a built-in remote MCP server. Connect it as a Claude connector and Claude can read, create, update,…
Pro $5/mo · free plan
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Rowboatlabs ComAgent / appActs as an AI coworker that turns emails and meeting notes into a local linked knowledge graph and uses it to get work done (prep for…
Individual $5/mo · Pro $50/mo · free plan

Readdit LaterMCP serverPersonal AI library for your Reddit saved posts. Search, organize, label, export, and manage your Reddit saves from Claude, Cursor,…
Pro $5.99/mo · $39 one-time · free plan
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CentricMemMCP serverHosted Markdown memory for AI agents. Agents file notes, decisions, and transcripts as cards on named shelves, then search and cite them…
Individual $13.38/mo · Pro $6.68/mo · $335 one-time · free plan
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CobrainMCP serverEvery AI keeps its own memory, locked inside its chats. Switch model, open a new chat or hand work to a colleague, and the context is…
Pro $9/mo · Team / small business $7/mo · free plan
Website ↗EEngram Engram MemoryMCP serverAI memory you can read and edit. Engram syncs your Obsidian vault to the cloud and gives any MCP client search, read, and write access to…
Individual $7/mo · Pro $14/mo · free plan
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TweetsmashMCP serverManages and organizes Twitter bookmarks with AI-powered search, filtering, and digest creation
Individual $7/mo · $49 one-time
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PenlogMCP serverPenlog is an Apple Pencil journaling app for iPad that reads each handwritten page into structured tasks, notes, and priorities. Its MCP…
Pro $8.99/mo · free plan
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EtherPKAgent / appA markdown-based personal knowledge base with an MCP server that lets Claude Code, Codex, and Cursor search and edit notes, manage tasks,…
Individual $9.99/mo · free plan
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LinkedmashMCP serverManages LinkedIn bookmarks with search, filtering, labeling, and content creation capabilities
Pro $10/mo · Team / small business $24.17/mo · $49 one-time · free plan
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Minerva AIAgent / appAI-powered knowledge management system that combines markdown notes with an AI assistant that manages calendars, reads emails, creates…
Pro $12/mo · free plan
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SombraMCP serverA knowledge and context workspace that saves web pages and notes, organizes them into collections, and exposes distilled project context…
Pro $12/mo · free plan
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ThinkernotesMCP serverEvery model has read the same books. None of them has your notes. ThinkerNotes is where founders keep what they actually took from each…
Pro $12.99/mo · free plan
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ElephasAgent / appA Mac- and iOS-native AI knowledge assistant that indexes documents and notes locally, creates focused knowledge workspaces, answers…
Individual $19/mo · Pro $29/mo · $29 per seat
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ReleasepadMCP serverYour team ships code every week. Your users find out... eventually. Release notes are the first thing to slip when a launch is busy. The…
Pro $35/mo · free plan
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NotickyMCP serverA local MCP server for macOS that lets Claude Desktop, Codex, and other MCP clients search, read, create, update, open, trash, and restore…
$9.99 one-time
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Promptdna OrgMCP server# PromptDNA **A community marketplace for composable AI prompt blocks — think npm for prompt engineering.** PromptDNA lets developers and…
$0.001 per credit · free plan
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Reflect NotesAgent / appNote-taking app with AI assistant powered by GPT-4 and Whisper. Features voice transcription, content generation, grammar fixes, and…
free plan
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SlivingdocMCP serverAn MCP server and CLI that lets multiple agents and humans share durable UTF-8 notes in an S3-compatible bucket, with Git-like merging,…
free plan
Website ↗Membership is fixed for this calculation (snapshot trial-T9-20261007). Updated 22 Oct 2026. How the league works.