MCP Server Directory

45,118 Model Context Protocol servers for Claude Code, Claude Desktop, Cursor and every MCP client. Filter by what they do, whether they run locally or remotely, and whether they're free.

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866 servers in Knowledge, Memory & RAG

Devin Memory

Icaro0310/devin-memory

Anti-poisoning memory for agents: provenance, conflicts, quarantine gate.

LocalFreeKnowledge, Memory & RAG

Docker Release Information

0

dockersamples/mcp-docker-release-information

MCP server providing Docker Desktop release notes and security information.

LocalFreeKnowledge, Memory & RAG

EleSync

0

darknodebros/EleSync

Private local-first AI workspace for shared context, knowledge, tasks, and memories

LocalFreeKnowledge, Memory & RAG

Engram

spectra-g/engram

MCP adapter for Engram - organizational memory for AI agents

LocalFreeKnowledge, Memory & RAG

Engram

1.3k

tools.engram/engram

Memory for AI agent teams across tools, sessions, repositories, and teammates.

Local + RemoteFreeKnowledge, Memory & RAG

Engrm

1.1k

dr12hes/engrm

Shared memory across devices, sessions, and agents for OpenClaw, Claude Code, and Codex.

LocalFreeKnowledge, Memory & RAG

EvolutionDB Long-Term Memory

alptekin/evolutiondb

Persistent long-term memory for Claude Desktop / Claude Code, backed by EvolutionDB.

LocalFreeKnowledge, Memory & RAG

FastMCP seed raise pipeline tracker

0

adelaidasofia/investor-relations-mcp

FastMCP seed raise pipeline tracker — syncs from Obsidian CRM, generates meeting prep, tracks…

LocalFreeKnowledge, Memory & RAG

FastMCP server for bidirectional sync between personal and team Obsidian vaults

0

adelaidasofia/vault-sync-mcp

FastMCP server for bidirectional sync between personal and team Obsidian vaults.

LocalFreeKnowledge, Memory & RAG

FastMCP server for Obsidian wikilink suggestions from a pre-computed knowledge g

0

adelaidasofia/graph-autotagger-mcp

FastMCP server for Obsidian wikilink suggestions from a pre-computed knowledge graph (graphify…

LocalFreeKnowledge, Memory & RAG

FastMCP server for Substack

0

adelaidasofia/substack-mcp

FastMCP server for Substack — publish Notes and posts, pull analytics, manage drafts, pluggable…

LocalFreeKnowledge, Memory & RAG

FI Memory

0212

FutureAiIndustries/FI-Memory

Local-first shared memory for AI tools. Your files, encrypted at rest by default; budgeted reads.

LocalFreeKnowledge, Memory & RAG

Filenymous Sharewall

01.6k

Geoking2104/Filenymous

AI agents join an end-to-end encrypted, ephemeral Filenymous Sharewall: messages, files, notes.

LocalFreeKnowledge, Memory & RAG

Flutter Structure

0

Nilesh9783/flutter_structure_mcp

Audit architecture, security, memory, and code quality in Flutter, Laravel, Node, Python, & Vue.

LocalFreeKnowledge, Memory & RAG

Fusionpact Vectordb

0163

FusionpactTech/fusionpact-vectordb

Hybrid vector + reasoning retrieval, agent memory, multi-agent orchestration, MCP server, and RAG.

LocalFreeKnowledge, Memory & RAG

garnet

0

tarazou9/garnet-mcp

RAG memory for LLM agents over Garnet Vector Sets: store text as embeddings, recall by meaning.

LocalFreeKnowledge, Memory & RAG

Genesys

Astrix-Labs/genesys

Open-source causal memory for AI agents: persistent, explainable, MCP-native memory (13 tools).

LocalFreeKnowledge, Memory & RAG

gigachat

0

theYahia/gigachat-mcp

MCP server for GigaChat — AI chat, embeddings, image generation (Russia)

LocalFreeKnowledge, Memory & RAG

Golden Dataset

0

nipunkhanderia/golden-dataset-mcp

Version-controlled golden datasets and RAG evaluation, no API key needed.

LocalFreeKnowledge, Memory & RAG

Granoflow

0

granoflow/granoflow-mcp-server

Connect MCP-capable AI agents to local Granoflow tasks, reviews, cards, imports, and work memory.

LocalFreeKnowledge, Memory & RAG

Graphmind

0

CloudCorpRecords/graphmind

Persistent knowledge graph: entities, relations, and observations for agents.

LocalFreeKnowledge, Memory & RAG

Heartwood Memory

0

jermayne36/heartwood-memory

Heartwood Memory — governed AI agent memory; signed provenance. BUSL-1.1; not OSI open source.

LocalFreeKnowledge, Memory & RAG

Hebbian Mind

For-Sunny/hebbian-mind-enterprise

Associative memory via Hebbian learning. Connections strengthen through use, decay through disuse.

LocalFreeKnowledge, Memory & RAG

Herb Tcm

0

pipeworx-io/mcp-herb-tcm

HERB 2.0 (herb.ac.cn) — Traditional Chinese Medicine herb/ingredient/target/ disease knowledge…

Local + RemoteFreeKnowledge, Memory & RAG

HippoDid

0

SameThoughts/hippodid-mcp-server

Persistent, structured cloud memory for AI agents. BYOK — bring your own AI key.

LocalFreeKnowledge, Memory & RAG

Homebrew Tap

0352

azhard/homebrew-tap

Local MCP server for tasks and notes in any Markdown folder or Obsidian vault. No account needed.

LocalFreeKnowledge, Memory & RAG

Indepentest CDB

0148

KiMiGuel/Indepentest-CDB

Shared local knowledge vault MCP server for Claude Desktop (Chat + Code)

LocalFreeKnowledge, Memory & RAG

Instinct

yakuphanycl/instinct

Self-learning memory for AI coding agents with pattern detection and confidence scoring.

LocalFreeKnowledge, Memory & RAG

Jamgate

amirj4m/jamgate

A neutral memory quality-gate MCP server: save_memory, recall_memory, forget_memory over stdio.

LocalFreeKnowledge, Memory & RAG

kala

anusornc/kala

kala memory over MCP: provenance-first agent memory with Datalog recall and as-of time travel.

LocalFreeKnowledge, Memory & RAG

Kawa Code

0

kawacode-ai/kawa.mcp

Team-aware memory: intent, decisions, real-time conflicts for AI coding assistants.

LocalFreeKnowledge, Memory & RAG

kcp-agent

01.5k

Cantara/kcp-agent

Deterministic, fail-closed planner for KCP knowledge manifests: kcp_plan, kcp_load, kcp_validate.

LocalFreeKnowledge, Memory & RAG

Keeploop

0

keeploopapp/claude-plugin

Mail, Calendar, Messages, Notes, Contacts, Slack on your Mac for AI. Remote needs Pro or free trial.

Local + RemoteFreeKnowledge, Memory & RAG

KG-SSOT

0

marciocar/kg-ssot

Company-brain knowledge graphs: confirmed claims cite sources, and decisions get revisited

LocalFreeKnowledge, Memory & RAG

KMP

0

underpass-ai/kmp

Local-first agent memory that preserves what happened, when and why

LocalFreeKnowledge, Memory & RAG

Knowledge Forest

0

znecho9/knowledge-forest-mcp

Local-first personal knowledge and learning memory for AI tutors with evidence-gated mastery.

LocalFreeKnowledge, Memory & RAG

Knowledge Gaps

0

onetrueclaude-creator/mcp-knowledge-gaps

Find what your knowledge base mentions but doesn't actually explain.

LocalFreeKnowledge, Memory & RAG

Koda

0166

aabxtract/koda

Verification and memory layer for coding-agent workflows.

LocalFreeKnowledge, Memory & RAG

LBrain

0

metavolve-labs/lbrain-coding-agents

Local-first agent memory. Source, date, bind/abstain. Permanent name: lbrain.ai/claim.html

LocalFreeKnowledge, Memory & RAG

Lex

0

SmarterGPT/lex

Episodic memory, Frames, Policy Neighborhoods, and policy enforcement for AI agents.

LocalFreeKnowledge, Memory & RAG

Lex

Guffawaffle/lex

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

LocalFreeKnowledge, Memory & RAG

Light Memory

0

PeterPirog/mcp-light-memory

Local-first persistent memory for coding agents and MCP clients.

LocalFreeKnowledge, Memory & RAG

Lindas

0

malkreide/lindas-mcp

MCP server for LINDAS — the Swiss administration's linked-data SPARQL knowledge graph (cube.link)

LocalFreeKnowledge, Memory & RAG

Lionscope

01.6k

risyadul/Lionscope

Android profiler and Layout Inspector: CPU, memory, frames, stalls, layouts, network, logcat

LocalFreeKnowledge, Memory & RAG

Locus

EDKarlsson/locus

Hierarchical markdown memory palace for AI agents — structured palace navigation via MCP tools.

LocalFreeKnowledge, Memory & RAG

Locus

0

Nano-Nimbus/locus

Hierarchical markdown memory palace for AI agents — structured palace navigation via MCP tools.

LocalFreeKnowledge, Memory & RAG

Lodekeep

171

com.lodekeep/memory

Memory MCP server for Claude Code. Correct a fact and the old version stops being recalled.

Local + RemoteFreeKnowledge, Memory & RAG

Loom

KlossKarl/loom

Local-first personal knowledge base. Cited answers from your vault via vector + graph retrieval.

LocalFreeKnowledge, Memory & RAG