"Proof-of-Concept Examples for Multi-Component Processes (Model Context Protocol)" matching MCP connectors:

Google Keep-style notes app with an MCP server for AI agents to read/write notes.

Cross-session, cross-device memory for your agent: remember and recall notes. No key to start.

Save and organize web finds in persistent, user-controlled collections for AI assistants.

Serve a folder of Markdown notes as an MCP server: hybrid search, reading, and sourced answers.

FastMCP server for TheBrain API — AI access to a personal knowledge graph, Tollbooth-monetized

Human-authored personal context before AI guidance, built through private structured reflection.

Shared, versioned context that humans and AI agents can publish, review, annotate, and continue.

Hosted ambient memory for AI agents. Retrieve context and save notes via MCP tools with OAuth.

Read-only access to your SessionKeeper TTRPG campaigns - session summaries and transcripts, character rosters, NPC and wiki entries, DM prep notes, and player feedback. Built for Dungeons & Dragons (D&D) and other tabletop RPG groups.

Markdown-first MCP server for Notion API with 8 composite tools and 39 actions.

Shared, living memory for you and your people — coves your AI assistant can read and write.

MCP server for AgentDocs (agentdocs.eu): read, search, write, comment on & share Markdown docs.

A structured story bible for long-form fiction: scenes, characters, world, plot and foreshadowing.

AI memory layer for fractional CMOs -- client-partitioned minds, meeting prep, and EOS.

Shared memory for a team in Claude Code: what one person records, everyone has.

Read-only A2Me family context tools for AI assistants (members, dates, activity, relationships)

Search, save, and set reminders in your personal MarkIt library of links, posts, and notes.

Penlog is an Apple Pencil journaling app for iPad that reads each handwritten page into structured tasks, notes, and priorities. Its MCP server exposes that journal to your AI: search pages by topic, pull open tasks with reconciled status, read a full day's page, and create or update tasks that appear on your handwritten page and sync to Notion. Write by hand. Work with everything.

Private memory layer — one library your notes, docs, and chat history live in, that any AI tool (Claude, Cursor, ChatGPT) connects to over MCP instead of re-pasting context. Semantic search over your own documents with citations; every memory is a document you can read, edit, and delete. ~80% fewer context tokens than pasting your library. Connect via OAuth (sign in when prompted) — get started at

MCP-native notes and memory for ChatGPT, Claude, and other AI tools.