866 servers in Knowledge, Memory & RAG
Aletheia
firatmio/aletheia
Project memory for coding agents whose memories carry code evidence, re-checked on every recall.
Cuemap
cuemap-dev/cuemap-mcp
Local memory and context retrieval for AI agents through CueMap.
Langchain
baixianger/langchain-MCP
LangChain/LangGraph/DeepAgents knowledge + LangGraph agent debugging (Polly-like)
Lore
jordanhindo/lore
Lightweight MCP for infinite agent memory. Any agent, any session, anytime.
mneme Record
OnourImpram/mneme
Vault-native, accountable memory for Claude Code and MCP clients. Markdown is ground truth.
Recallnest
AliceLJY/recallnest
Local-first memory for coding agents: hybrid vector/BM25 retrieval with reranking, knowledge graph, session checkpoint/resume and multi-scope isolation.
Agent Memory
xChuCx/agent-memory
Git-native project memory for coding agents: Markdown in your repo, reviewable staged updates, secret/PII-safe and branch-aware, without cloud or vector DB.
CogniRepo
ashlesh-t/cognirepo
Persistent memory and codebase context for coding agents: FAISS vector store, AST symbol index, knowledge graph, episodic journal and cross-agent handoff.
NexusMem
yaminbkk/NexusMem
Correlates failed shell commands and their exit codes with whatever later fixed them, alongside git diffs and docs, stored locally in SQLite.
GPU
pmady/gpu-mcp-server
NVIDIA GPU metrics as MCP tools — utilization, memory, temperature, power. Supports MIG.
Memoir
camgitt/memoir
Persistent memory for AI coding tools via MCP. Remembers across sessions and machines.
Midi Tools
mrfentmen/midi-tools-mcp
MIDI note math: note names, frequencies, and note numbers. No network and no key.
RAGScore
HZYAI/RagScore
Generate QA datasets & evaluate RAG systems with failure diagnosis. Any LLM.
Apple Notes
ailenshen/apple-notes-mcp
Read and write Apple Notes with bidirectional Markdown conversion: SQLite queries for listing and search, AppleScript for full CRUD.
Longhand
Wynelson94/longhand
Persistent local memory for Claude Code: indexes all sessions verbatim into SQLite and ChromaDB for semantic recall across your history, with no API calls.
Memory
michael-denyer/memory-mcp
Two-tier memory (hot cache and cold semantic search) that promotes frequently used patterns, extracts knowledge from Claude outputs and links it in a graph.
Midas
vornicx/Midas
Local-first long-horizon agent memory: source-traceable recall, belief revision, selective forgetting and a guard against memory-driven destructive actions.
Attestor
bolnet/attestor
Self-hosted memory for agent teams. Bi-temporal replay, deterministic retrieval, audit log.
Brainbox
thebasedcapital/brainbox
Hebbian memory for AI agents. Learns file patterns, predicts next tools, saves tokens.
Evalsmith
diegoperezg7/evalsmith-mcp
Evaluate RAG retrieval, agent tool calls and prompt regressions with deterministic metrics.
Global Agent Memory
ozankasikci/global-agent-memory
Shared, project-aware memory for Claude Code, Codex, and other agents with human review.
Hushdrop
maxtechera/hushdrop
Open-source artifact sharing for AI agents: private, branded, zero-knowledge links.
Obsidian CLI
stonematt/mcp-obsidian-cli
Save chat notes from Claude Desktop to your vault — MCP on Obsidian CLI. Keep what matters.
Partner Center
tunahanaliozturk/partner-center-mcp
Unofficial Partner Center REST API knowledge & codegen assistant (scenarios, auth, errors).
Empathy Framework
Smart-AI-Memory/empathy-framework
Five-level AI collaboration system with persistent local-first memory via MemDocs and anticipatory capabilities.
Lennys Quotes
bluzername/lennys-quotes
Search Lenny's Podcast transcripts with YouTube timestamps for product management insights on PRDs, strategy and PM careers.
Persona Sessions
mattjoyce/mcp-persona-sessions
Structured, persona-driven sessions for interview preparation, personal reflection and coaching, with timers and performance evaluation.
mneme
TheGoatPsy/mneme
Vault-native, accountable memory for Claude Code: Markdown is the source of truth, with no LLM on the Stop path and redaction before any derived store.
Obsidian Turbocharged
The-40-Thieves/obsidian-tc
Obsidian vault access with role-based access control, native search, multi-vault support, pluggable embeddings and SLSA provenance.
ellmos Homebase
ellmos-ai/ellmos-homebase-mcp
Local-first LLM orchestration: memory, knowledge, state, routing, swarm, API discovery, plugins.
Kairn
primeline-ai/kairn
Local-first knowledge engine for AI agents: memory, graph, and recall over MCP.
Neurakeep
dominiclachance/neurakeep
Local-first, source-cited memory for AI agents with proposal review, failure memory, and MCP tools.
Turnbook
goyohan0611-png/turnbook
Local long-term memory shared by all your AI agents, kept word for word on your own PC.
Claude Find
Cavinooo/claude-find
Retrieve memory from across your Claude Code sessions on demand.
Anneal Memory
phillipclapham/anneal-memory
Two-layer memory for AI agents with an immune system. Zero dependencies.
Awareness Local
everest-an/Awareness-Market
Local-first persistent memory for AI coding agents - 96.0% R@5 on LongMemEval, zero LLM calls.
Cortex
arjunkumargiri/cortex
Shared, persistent memory for AI agents — works with Claude, Kiro, Cursor, or any MCP client.
Pindoc
var-gg/pindoc
Code-pinned team memory for AI coding agents — typed artifacts, MCP-native, self-host.
Token Compressor
base76-research-lab/token-compressor
Compress prompts 40-60% using local LLM + embedding validation. Preserves all conditionals.
Toon Memory
LuiggiVal08/toon-memory
Offline persistent memory for AI coding agents — 35 tools, 80% fewer calls, no LLM
Wikimoth
juliangeymonat-jpg/wikimoth
Deterministic, token-minimal agent memory: multi-hop [[wikilink]] recall with no LLM in the loop.
Xaip Protocol
xkumakichi/xaip-protocol
AI agents get on-chain identity, credentials, reputation, escrow, and persistent memory on XRPL.
LIFE
TeamSafeAI/LIFE
Persistent identity for AI agents: servers for drives, relationships, semantic memory with decay, working threads, learned patterns, journaling and forecasting.
Lore
hyunjae-labs/lore
Local semantic search across Claude Code conversations with hybrid vector and keyword search, background indexing and per-project selection.
coldstart
AkashGoenka/coldstart
Codebase memory for coding agents: a deterministic AST index finds task-relevant files, and in-repo Markdown notes flag themselves stale when code changes.
Hive Vault
mlorentedev/hive
On-demand Obsidian vault access: adaptive context loading, full-text and ranked search, health checks, auto git commits and delegation to cheaper models.
Memory Gateway
IgorGanapolsky/mcp-memory-gateway
Pre-action gates that prevent coding agents from repeating known mistakes by turning captured feedback and failures into rules enforced via hooks.
Nocturnusai
Auctalis/nocturnusai
Deterministic reasoning engine for agent context compression: extracts structured facts with logical inference, proof chains and truth maintenance.