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

skillmem

11

liza-studio/skillmem

Self-improving skill memory for coding agents: useful skills are reinforced, unused ones fade; local English/Russian hybrid search, tamper-evident history.

LocalFreePythonKnowledge, Memory & RAG

Bluet

333

dev.bluet/bluet

Product memory your agents read before they work: briefs, plan checks against decisions, debriefs.

Local + RemoteFreeKnowledge, Memory & RAG

Callosium

11141

callosium/callosium

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

LocalFreeKnowledge, Memory & RAG

DevTime

11

Shakargy/devtime

Local-first, read-only MCP server for evidence-backed repository memory.

LocalFreeKnowledge, Memory & RAG

MindForge

0336

sairam0424/MindForge

Read the MindForge engine over MCP: knowledge graph, project health, and audit log.

LocalFreeKnowledge, Memory & RAG

CodeCortex

10

rushikeshmore/CodeCortex

Persistent codebase knowledge for coding agents: symbols, dependency graphs, co-change patterns and architectural decisions extracted with tree-sitter.

LocalFreeTypeScriptKnowledge, Memory & RAG

Genome

10

NORTHTEKDevs/genome

Local persistent agent memory without LLM calls: semantic recall over SQLite with bi-temporal fact tracking.

LocalFreePythonKnowledge, Memory & RAG

Tribal

10

tribal-memory/tribal

Self-hosted semantic memory for an engineering team's tribal knowledge: the decisions and reasoning behind the code, queryable by the team and its agents.

LocalFreeRustKnowledge, Memory & RAG

Memory Arbiter

10

billy12151/memory-arbiter-mcp

Local memory middleware: targeted retrieval instead of full-memory loading, rule-based conflict arbitration and one SQLite store shared across coding agents.

LocalFreePythonKnowledge, Memory & RAG

Conventions

0292

FedgeNo/conventions-mcp

Memory for coding conventions and standing instructions that persists across sessions.

LocalFreeKnowledge, Memory & RAG

Dbgprobe

10

es617/dbgprobe-mcp-server

Let AI agents interact with debug probes — connect, flash, read/write memory, and reset.

LocalFreeKnowledge, Memory & RAG

Figma Vector

0303

workingmodel/wm-figma-vector-mcp

Let Claude create and edit fully editable vector nodes on the Figma canvas.

LocalFreeKnowledge, Memory & RAG

Hivemind

10

hiveforge-sh/hivemind

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

LocalFreeKnowledge, Memory & RAG

Lore

10

agentkitai/lore

Cross-agent memory over MCP: hybrid recall, knowledge graph, private/shared visibility, redaction.

LocalFreeKnowledge, Memory & RAG

Memory

10

chenxiaofie/memory-mcp

情景+实体记忆 MCP 服务,为 Claude Code 提供持久化记忆能力

LocalFreeKnowledge, Memory & RAG

Memorykit

4194

rapozoantonio/memorykit

Cognitive memory for AI coding assistants — persistent memory across sessions

LocalFreeKnowledge, Memory & RAG

Sticky

0300

1picassoai/sticky

Persistent memory and context for your agent, on a board you can see. Capped, so it stays small.

LocalFreeKnowledge, Memory & RAG

Mnemostack

9

udjin-labs/mnemostack

Self-hosted hybrid agent memory on Qdrant combining vector search, BM25, temporal retrieval and an optional Memgraph knowledge graph via rank fusion.

LocalFreePythonKnowledge, Memory & RAG

Sessionmem

9

catfish-1234/sessionmem

Local memory for coding assistants: watches sessions and injects a compact summary at the start of each new one, stored in a SQLite file.

LocalFreeTypeScriptKnowledge, Memory & RAG

Engram

9

HBarefoot/engram

Offline persistent agent memory on SQLite with local embeddings, hybrid semantic and full-text recall, secret detection and contradiction handling.

LocalFreeTypeScriptKnowledge, Memory & RAG

Agentskb

9

Cranot/agentskb-mcp

Researched knowledge for AI agents. Canonical answers from official sources.

LocalFreeKnowledge, Memory & RAG

Aletheia

92.2k

mohamed-ashraf-elsaed/aletheia-mem

A free, local memory and rules hub for Claude Code and other AI coding tools, served over MCP.

LocalFreeKnowledge, Memory & RAG

Dakera

9

Dakera-AI/dakera-mcp

Agent memory engine — 106 MCP tools, self-hosted, single Rust binary

LocalFreeKnowledge, Memory & RAG

Edition API

0272

hiroshic9-png/edition-api

Japan business regulations, compliance, travel, protocols, memory — 10 knowledge domains, 23 tools.

LocalFreeKnowledge, Memory & RAG

Growmos

9

codician-team/growmos

Living knowledge graph for your repo: query with citations, remember/link facts, fact-check claims.

LocalFreeKnowledge, Memory & RAG

Memory Lite

4157

thuupx/memory-mcp-lite

A lightweight, structured, token-efficient local-first MCP memory server

LocalFreeKnowledge, Memory & RAG

Mindpm

91.4k

umitkavala/mindpm

Project memory and a control plane for AI coding agents.

LocalFreeKnowledge, Memory & RAG

nMEMORY

9

menot-you/n-memory

Memory your agent can trust — every answer carries its source; when it doesn't know, it says so.

LocalFreeKnowledge, Memory & RAG

Supernote

2203

ridget/supernote-mcp

Capture the screen, read/render notes, and upload files on a Ratta Supernote from an AI agent.

LocalFreeKnowledge, Memory & RAG

Turbo Quant Memory

9

Lexus2016/turbo_quant_memory

Local-first memory and knowledge graph for coding agents. Compact retrieval, no network.

LocalFreeKnowledge, Memory & RAG

Agent Memory

8

g1itchbot8888-del/agent-memory

Three-layer agent memory (identity, active, archive) with semantic search, graph relationships and conflict detection.

LocalFreePythonKnowledge, Memory & RAG

Synapse

8

anshulyadav1976/synapse

Zero-runtime-dependency Markdown memory vault with SQLite search, linked wiki pages, ChatGPT/Claude imports, and human-approved agent note proposals.

LocalFreePythonKnowledge, Memory & RAG

Agent Memory OS

8

yamantaka520/Agent-Memory-OS

Local-first memory for AI agent teams: private, team and project access control, associative recall and federated sync with revocation, plus a web console.

LocalFreePythonKnowledge, Memory & RAG

Crbro Memory

82.2k

Octonove/crbro-memory

Persistent agent memory in local JSON files: neuron/synapse graph with heat scoring, fact-level search, corrections, secret redaction and team sharing via Git.

LocalFreeTypeScriptKnowledge, Memory & RAG

inspeximus

8

DanceNitra/inspeximus

Agent memory with a correction channel: supersede or revert stale facts, block restated old values, and prove deletions with signed tombstones.

LocalFreePythonKnowledge, Memory & RAG

CodeCortex Context Engine

8

BehnamJalaliCo/CodeCortex

Context intelligence for AI coding agents: navigation, impact, memory, guarded edits.

LocalFreeKnowledge, Memory & RAG

Color Engine

1223

aimsise/color-engine-mcp

Six pure, in-memory CSS color tools: parse, convert, WCAG/APCA contrast, gamut map, ramps, solver

LocalFreeKnowledge, Memory & RAG

Covate

8

SunflowersLwtech/covate

Learning sidebar for AI coding assistants: quizzes on your changes, debug memory, term explanations

LocalFreeKnowledge, Memory & RAG

DataGraph

234

io.github.team-earth/datagraph

Urban intelligence knowledge graph. Structured locality data for civic problem-solving.

Local + RemoteFreeKnowledge, Memory & RAG

Obelisk

2166

zachhannum/obelisk

Comment on a passage of an Obsidian note, and propose suggested edits.

LocalFreeKnowledge, Memory & RAG

Stickies

1223

dumbspacecookie/stickies

Persistent, expiring, importance-graded sticky notes for Claude Code.

LocalFreeKnowledge, Memory & RAG

Strata

666

agenerationforwordz-tech/strata

Self-hosted AI memory server. Persistent memory on your hardware, not the cloud.

LocalFreeKnowledge, Memory & RAG

Blue Synergy Cortex

8

novotapeter-bs/bs_cortex

Long-term, drift-free cognitive memory engine for AI Agents and Cursor IDE.

RemoteFreeKnowledge, Memory & RAG

Acheron

7

timmx7/acheron-mcp-server

Persistent memory shared across Claude Chat, Code and Cowork, stored in local SQLite with full-text search.

LocalFreeTypeScriptKnowledge, Memory & RAG

Adhd Hub

7

uniskela/adhd-hub

Self-hosted project-continuity hub for coding agents: tracks unfinished work, progress, overlap and reminders across clients.

LocalFreePythonKnowledge, Memory & RAG

Agent Memory Bridge

7

zzhang82/Agent-Memory-Bridge

Local-first memory for coding agents that turns coding sessions into reusable engineering memory: decisions, gotchas and domain knowledge.

LocalFreePythonKnowledge, Memory & RAG

Context Memory

7

ErebusEnigma/context-memory

Persistent, searchable context storage across Claude Code sessions using SQLite FTS5, with AI session summaries, checkpoint recovery and a web dashboard.

LocalFreePythonKnowledge, Memory & RAG

Gingugu

7

gingugu/gingugu

Local SQLite memory for coding assistants: typed memories with confidence lifecycle, namespaces, knowledge graph, hybrid search and keychain credential vault.

LocalFreePythonKnowledge, Memory & RAG