Notes & Knowledge MCP servers

Neuroscience-inspired memory for Claude Code on PostgreSQL/pgvector: decay, consolidation, a predictive-coding write gate and lifecycle hooks.

Persistent coding memory across sessions, machines and teammates, with memory search, optional sync, project sharing and automatic capture.

Local memory for coding agents: temporal knowledge graph with fact invalidation, procedural and episodic memory, AST codebase ingest and cross-project analogy.

Interact with your HackMD notes and teams seamlessly. Manage your notes, view reading history, and…

Academic paper search across 11 sources with AI curation, ranked push, Zotero and Obsidian support.

Bear notes via CloudKit: CRUD, tags, TODOs, attachments, search, front matter, stats and health checks.

Cross-session, cross-project agent memory built on a self-validating filesystem graph derived from ASTs and Markdown links, not embeddings.

Work with Scrivener 3 writing projects: document management, writing analysis, semantic search, character and plot memory, and content enhancement.

Local-first agent memory: a Markdown Obsidian vault as source of truth plus a rebuildable DuckDB index for hybrid BM25, vector and graph recall.

Local RAG for semantic vector search over Markdown documents with sqlite-vec and multilingual-e5-small embeddings, filterable by directory and filename.

Research workspace for Zotero, Obsidian and NotebookLM: search arXiv, Semantic Scholar, PubMed and Crossref, ingest into Zotero, sync notes and verify briefs.

Atlassian Confluence Cloud: work with spaces, pages and content, with automatic ADF-to-Markdown conversion.

Local-first memory for AI coding conversations: imports chats from coding assistants into notes with semantic search, tag graphs and Markdown export.

Give AI agents access to your Obsidian vault via local files or Self-hosted LiveSync.

Local-first memory about the people in your life: identity resolution, relationships, facts, interactions, reminders and communication guidance.

MCP server for true local semantic search over Obsidian vaults using Smart Connections embeddings — multi-vault, block-level retrieval, no cloud calls

Search the Arch Wiki and AUR, get package info, check for updates, install packages and analyze PKGBUILDs, from Arch or non-Arch systems.

Read and edit Word (.docx) documents with tracked changes, threaded comments, footnotes, OOXML-level validation and document auditing.

Outcome-based persistent memory for Claude Code and OpenCode: memories that help get promoted, misleading ones get demoted.

Markdown-first Notion access: converts markdown to Notion blocks and back, with documented round-trip support.

MCP server for Apple Notes integration using AppleScript with full CRUD operations

[](https://www.npmjs.com/package/@fazer-ai/mcp-obsidian)

Work with Redmine issues, projects, time entries, wiki pages and more. Read-only by default.

Local persistent memory and Markdown wiki for AI coding agents: 24 MCP tools, no gateway required.

Agent memory with semantic recall, automatic consolidation, contradiction detection and a bi-temporal knowledge graph.

Persistent memory tools for Claude Desktop. Search your vault or Obsidian notes mid-conversation.

Reusable personas, skills, templates, agents and memory for AI clients, with dynamic permissions, versioning and a public collection of shareable content.

Connect to your Pinecone Assistant and retrieve context from its knowledge engine.

Persistent memory for AI coding tools with semantic code search, knowledge graphs, impact analysis and decision tracking.

Persistent graph memory that extracts facts from conversations into typed nodes with local embeddings, supporting temporal queries and conflict detection.

MCP server for Mac — control Calendar, Mail, Notes, Reminders, and any Mac app, fully on-device.

Safe creator operations for Substack: rich drafts, Notes, analytics, and consented subscribers. Long-form posts stay draft-only; Notes publish immediately.

Embedded local agent memory in one SQLite file per namespace: hybrid retrieval, append-only history queryable at any past time and human-reviewed maintenance.

Ask a local SQLite mirror of your Jira and Confluence: SQL, full-text search, issue detail.

Local hybrid search (SQLite FTS5 and on-device vectors) over coding-agent conversation history from multiple tools, so agents can recall their past work.

Local-first memory for coding agents: hybrid LanceDB/Tantivy search, Markdown and code indexes, per-project vaults and recall that abstains on low confidence.

Git-native memory for coding agents: JSON entries in the repo, verified against cited code so hallucinated citations are rejected and stale memory is withheld.

Search your Mendeley library, browse folders, get document metadata, search the global catalog and add papers to your collection.

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

Nextcloud MCP server — 342 tools: files, calendar, contacts, mail, Talk, Deck, photos, maps, notes, fediverse

Interact with Nostr: post notes and more.

Fetch content from login-protected pages such as Notion, Google Docs, Jira and Confluence via a real browser login with persistent session caching.

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

Local FAISS vector database for RAG with document ingestion (PDF, TXT, MD, DOCX), semantic search, re-ranking and CLI tools for indexing and querying.

Long-term agent memory backed by a local Obsidian vault: hybrid retrieval with reranking, agentic RAG, wikilink community detection, Obsidian Bases and PDF OCR.

Contemplative problem-solving using the Lotus Sutra's framework: multi-perspective reasoning, skillful means, non-dual recognition and meditation pauses.

Deterministic state layer for agents: versioned entities like contacts, tasks and decisions with immutable observations and provenance, in local SQLite.

MCP server for Evernote integration with note management and synchronization