knowledge-management MCP servers & tools

Universal AI bridge for Obsidian vaults using MCP. Provides safe read/write access to notes with 11 comprehensive methods for vault operations including search, batch operations, tag management, and frontmatter handling. Works with Claude, ChatGPT, and any MCP-compatible AI assistant.

MCP server for Obsidian vaults — read, write, search, and edit notes via the Local REST API plugin.

Persistent, compounding memory for AI agents across sessions. Uses the Intelligent Distance Protocol to surface the most contextually relevant past memories. Five tools: sessionstart, remember, recall, check, sessionend. npx agent-recall-mcp

Search Obsidian vaults with hybrid full-text, fuzzy, semantic, and graph retrieval.

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

Reasoning-based RAG system for chatting with long PDFs. Supports local and online files.

Use GitHub Gists to manage and access your personal knowledge, daily notes, and reusable prompts. This acts as a companion to https://gistpad.dev and the GistPad VS Code extension.

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

Local-first AI PKM memory server for coding conversations. Imports Claude Code, Cursor, Codex CLI, Trae, and GitHub Copilot chats into notes, semantic search, tag graphs, Markdown exports, and reusable MCP memory. npx -y chatcrystal mcp

MCP server that interacts with Obsidian via the Obsidian rest API community plugin

Self-hosted decision memory for AI coding agents. Passively captures architectural decisions with the alternatives you rejected (structured rejected[]), then warns the agent before it re-proposes a rejected approach. Postgres + pgvector; cross-tool across Claude Code, Cursor, Copilot, and Codex. Install: npx robrain up && npx robrain install.

Persistent, local-first AI memory: a semantic knowledge graph of plain Markdown files that humans and LLMs both read and write. Works with any MCP client, with optional cloud sync and team workspaces.

Engineering memory for AI-assisted codebases: decisions, bug lineage and invariants, over MCP.

Model-agnostic, agent-ready Obsidian MCP server with RBAC, SLSA provenance, and native search.

MCP server for Obsidian vaults — hybrid search, notes & files, memory, tasks, link graph, OAuth-protected.

MCP server for Bear notes — read, search, create, edit, tag, and manage notes via CloudKit

MCP server for reading Simplenote notes across macOS, Linux, and Windows

Give Claude semantic search + knowledge graphs over your Obsidian vault (Smart Connections)

MCP server for Memanto - persistent semantic memory for any MCP-compatible agent

Markdown knowledge base as agent memory. Runs against the notes directory it is started in.

Evernote note management with OAuth and ENML conversion

Feature-complete Obsidian vault MCP server with 23 tools and 3 resources. Full-text search, note CRUD, frontmatter queries, tag management, backlinks, graph traversal (BFS up to 5 hops), orphan/broken link detection, and canvas support. Auto-detects vault, path traversal protection, MIT licensed.

Persistent, self-evolving memory plugin for Claude Code. Background miner extracts durable lessons (decisions, conventions, bug fixes) from completed sessions via Claude Haiku, stores them as human-readable markdown in an Obsidian vault, and assembles query-tailored context briefings at session start. Local-first, no cloud, no API keys. Self-healing install via uv bootstrap shim, /cortex-doctor preflight, graceful FTS-only degraded mode when claude CLI missing. MIT.

Shared, persistent memory for AI assistants, built on the Zettelkasten method.

Graph-native Obsidian vault server with 31 tools for search, backlinks, n-hop neighborhoods, structured and paginated reads, and safe file, partial, and bulk edits with dry-run and rollback. Works with Codex, ChatGPT, Claude, and any MCP client. npx -y obsidian-everywhere /path/to/vault

MCP Server for Obsidian Vault Access via Local REST API

Read and write your local Zotero 10 library. No plugin, no zotero.org API key, no cloud.

Search, read, create, edit and sync Joplin notes and notebooks via a headless Joplin sidecar.

Advanced cognitive reasoning MCP server with DAG-based thought graph, 5 reasoning strategies (sequential, dialectic, parallel, analogical, abductive), metacognitive engine with stuck detection, multi-factor confidence scoring, self-critique, knowledge integration, and thought pruning. npx deep-thinker

Portable, vendor-neutral home for agent skills, MCP servers, personas, and memory.

Persistent memory layer for AI coding agents: save, recall, update via Gemini plus LanceDB

Pull Deep Memory from across your Claude Code Sessions — when you need it.

SSE-enabled MCP server for remote Obsidian vault management with 29 tools for notes, directories, frontmatter, tags, search, and link operations. Docker-ready with health monitoring.

Self-hosted Markdown memory for AI agents: notes you can read and edit, with hybrid search.

Filesystem-first MCP for Obsidian — an LLM-maintained wiki inspired by Karpathy's LLM Wiki.

Interact with Obsidian vaults for knowledge management. Create, read, update, and search notes. Works with local Obsidian vaults using filesystem access.

One shared memory for every AI you use, in plain Markdown files you own.

Shared knowledge base where AI agents exchange proven solutions — including failed approaches, so your agent skips the dead ends. Smaller models get instant access to frontier-model discoveries. Free to search indefinitely when feedback is provided on results. Website

Local RAG system for Claude Code with hybrid search (BM25 + semantic), cross-encoder reranking, markdown-aware chunking, query expansion, and 28 MCP tools. Runs entirely offline with zero external servers.

Session continuity engine that solves session orientation. Boot reports with gap detection and 100-point scoring, structured end-session capture with typed continuity records, and BM25 memory search. 7 tools, local SQLite + FTS5, zero API keys. npx rekindle

MCP server for Obsidian vaults - AI tools with consistent canonical context. Local-first.

Semantic search across Claude Code conversations. Hybrid vector + keyword search with Reciprocal Rank Fusion, fully local, background indexing, project-selective.

Local-first MCP server: Claude searches, asks & drafts from your Obsidian vault. 21 tools, no keys.

Local-first memory & context-handoff across AI tools — capture context in one tool, resume it in another, with graceful decay, a persona layer, and a portable memory passport.

Git-friendly memory for AI coding: a tree of thread summaries with inherited context

Your Obsidian vault as private, searchable memory for Claude, Cursor, Hermes and any MCP client

MCP adapter for Engram - organizational memory for AI agents

Episodic memory and architectural policy for AI agents. Frames, Atlas, and Policy.

Connect AI assistants to your GitHub-hosted Obsidian vault to seamlessly access, search, and analy…

A Model Context Protocol (MCP) server that implements the Zettelkasten knowledge management methodology, allowing you to create, link, and search atomic notes through Claude and other MCP-compatible clients.

FastMCP server exposing Joplin notes, notebooks, tags, and imports.

Remote MCP Server that securely connects Glean Enterprise Knowledge with your IDE, LLM, or agents.