"Identifying Servers Without Any API Key Configuration" matching MCP connectors:

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

Memoket — access your recording transcripts, summaries, and key takeaways over MCP.

Google NotebookLM via natural language: create notebooks, add sources (PDF, URL, YouTube) and ask gr

Agent-native notes, tasks, dev-docs, vaults, sync & handoffs. MCP + OpenAPI dual surface.

MCP-native open-source Notion alternative: read & write pages, databases and kanban boards.

Self-hostable team wiki; agents read & write it via MCP; Atlas turns your repo into a cited wiki.

Build and study spaced-repetition flashcards with your agent.

Search everything you save: YouTube, articles, podcasts, PDFs, Notion, Obsidian. API key or OAuth.

Connect your Rock workspace to any MCP client. Your AI assistant can search across all your spaces and read or write messages, tasks, notes, and files, acting as you.

Read and write your Fresh Jots notes from Claude, Cursor, and any MCP client.

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.

Search your Glasp web and Kindle highlights, notes, and AI memories from any MCP client. Read-only.

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

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

Search and save to your Purl read-it-later knowledge base from any MCP client.

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.

A markdown notes app with a built-in remote MCP server. Connect it as a Claude connector and Claude can read, create, update, and search your notes without leaving the conversation. Supports OAuth 2.1 and Streamable HTTP – no local server setup required.

A self-improving memory layer. Your memory, notes, tasks and goals, remembered everywhere.