"Y Combinator" matching MCP servers:

Enables access to a user's authorized courses, notes, and official attachments through a locally installed Chrome extension and loopback bridge. Supports multiple accounts with prefixed tools and optional PDF text-layer extraction from downloaded materials.

Enables sandbox-less frontends such as mobile apps to reach the WeRead official gateway over Streamable HTTP by supplying only a URL and an access token, with no local process required. Exposes 14 read-only tools covering search, shelf, notebooks, reading progress and statistics, highlights, public reviews, and recommendations, plus a token-protected dashboard for shelf, notes, and shared-reading annotations.

Enables AI agents to create and interact with ASCII-based Zen gardens through tools for raking sand, placing stones, and practicing digital meditation. It provides resources for random Zen koans and generates meditation guides based on the current garden state.

Enables MCP clients to search a Zotero library, read items, take notes, organize collections, and perform semantic search over PDFs.

Connects AI coding agents to Google NotebookLM, enabling querying notebooks, adding sources, and generating artifacts like reports, podcasts, and slide decks.

MCP server that fetches YouTube video transcripts and creates Notion pages with summaries. Enables Claude Desktop to summarize videos and save them to Notion.

Exposes SQLite database query tools and markdown document resources over JSON-RPC 2.0 stdio transport, enabling AI assistants to read and search documents and execute read-only SQL queries.

Searches Reddit for answers to questions and saves Q&A sessions to Notion.

A simple MCP server that recalls and saves memories from and to Apple Notes.

MCP server with 23 tools for full Notion integration, enabling database, page, block, user, search, comment, template, and duplication operations through natural language.

This read-only MCP Server allows you to connect to OneNote data from Claude Desktop through CData JDBC Drivers. Free (beta) read/write servers available at https://www.cdata.com/solutions/mcp

Enables users to annotate individual sentences or selected passages of Claude's responses in an inline interface and send all their replies and questions back in a single message. Claude then answers each point in turn.

Enables users to log in to their personal vocabulary notebook, view or remove saved words, list and delete custom word books, and create new word books from selected exam vocabulary.

100% local-first persistent memory engine and Desktop HUD (Cmd+Shift+Y) for Cursor and Claude Desktop with SQLite, open .ods files, and bi-directional Obsidian sync.

Serves a git-backed folder of Markdown notes over MCP so AI agents can search, read, write, move and delete them, with every write recorded as a git commit attributed to the calling client. Supports full-text section search with snippets, wikilinks and typed relations, LFS-backed searchable attachments, optimistic concurrency for multiple agents, and per-client token or OAuth 2.1 access.

A TypeScript-based MCP server that enables users to manage text notes and generate summaries, showcasing key MCP concepts like resource representation and LLM integration.

Create and save recipes in Paprika with natural language!

Enables AI agents to read, search, organize, tag, export, and view your own X bookmarks through your existing browser session. It provides a local cache for offline search and optional gated folder writes for Premium accounts.

Enables AI clients to browse, read, update, and search a document store through tools, resources, and prompts, including summarizing and comparing documents via URI-addressable resources and reusable prompt templates.

Un servidor MCP para crear, almacenar y recuperar notas de texto a través de una interfaz de IA conversacional como Claude Desktop.

A note management MCP server that enables users to store, retrieve, and summarize personal notes via a custom URI scheme. It provides tools for adding content and prompts for generating brief or detailed summaries of stored information.

Enables users to index local Markdown articles and then search, filter, list, and retrieve them through MCP tools while keeping all content on the local machine.

Enables Claude Desktop to add, retrieve, update, delete, and list personal notes persisted in a local JSON file, with atomic saves and configurable note storage paths.

A tiny MCP server enabling note management through five tools: add, get, update, delete, and list notes. Stores notes in a file configured via MCP_NOTES_FILE or --notes-file, with atomic saves and a write lock.

Enables MCP clients to give AI agents a shared, persistent Graph-RAG memory backed by an Obsidian-native vault, with hybrid search, token-budgeted recall, and memory updates.

Enables an AI assistant to read and collaboratively edit Rustpad pads via the Model Context Protocol, using operational transformation for clean concurrent edits with human collaborators.

MCP server for local Zotero on Windows and WSL, enabling read access to items, collections, annotations, and notes via the Local API, and safe write operations through a plan/apply workflow with Web API verification.

Enables AI agents like Claude Code and Codex to read handwriting and sketches drawn on a tablet in real time via MCP, with local recognition to text/LaTeX, session recording, and export to Markdown/Excalidraw.

Enables personal knowledge management through Claude Desktop, allowing users to capture thoughts, connect ideas, and reflect on thinking changes via natural conversation.

Enables MCP clients to interact with CalDAV calendars, letting users view schedules, find free time, create and update events, manage tasks and dated notes, and respond to invitations on their own server.

Lets AI assistants read rooms and notes and send signed messages to the chat over HTTP, with robust token signing and rate-limit handling.

Continuity by Ouroboros Apps (https://ouroborosapps.com). Story continuity for fiction writers: a series bible and novel memory that keeps characters, places, timelines, and plot facts consistent across chats. Connect by pasting https://continuitywriter.com/mcp into Claude, Cursor, Grok, or ChatGPT (OAuth). Docs: https://ouroborosapps.com/docs/continuity

Enables managing bookmarks via the Linkwarden API with token-frugal tools for listing collections and links, adding/moving/deleting links, and creating collections.

Provides AI agents with direct filesystem access to an Obsidian vault for note management, task orchestration, context persistence, and git synchronization.

Enables an LLM session to read and annotate a PDF alongside you in KDE Okular, seeing the current document and page, the text under your mouse, and your existing highlights and notes, while also writing new highlights, deleting annotations, and navigating the viewer to a page.

A bridge server that allows LLM tools to interact with an Obsidian vault through a local REST API, enabling file operations, note management, and metadata access through natural language.

A local, zero-cost MCP server that fact-checks your Markdown/Obsidian notes using a local LLM (via Ollama) and free sources like Wikipedia and DuckDuckGo, with no cloud API or API keys.

Enables reasoning over local notes using a hyperdimensional codebook, supporting queries, related notes, walks, and analogies without an LLM.

Enables a language model to access D&D 5e rules, reference data, and campaign state through MCP, with tools for dice rolls, encounters, lookups, and persistent notes.

Give Claude memory of your Apple Calendar, Notes and Reminders, with personality.