What is an MCP server?

MCP (Model Context Protocol) is an open standard from Anthropic that lets AI assistants like Claude use external tools and data. An MCP server exposes a set of tools, for example "query this database" or "open this web page", that any MCP client (Claude Code, Claude Desktop, Cursor, VS Code, ChatGPT and others) can call.

What is the difference between local and remote MCP servers?

A local server runs on your machine and talks to the client over stdio; you install it with npx, uvx, Docker or from source. A remote server is hosted by the provider and you connect to it with a URL over Streamable HTTP, usually signing in with OAuth or an API key. Nothing to install.

Are MCP servers free?

Most MCP servers are free and open source. Many of them connect to a service that needs an account or API key (for example GitHub, Slack or a search API), and some hosted servers charge per call. Each listing here is labelled Free, Free server with account needed, or Paid service, estimated from its description.

How do I add an MCP server to Claude Code?

Use the claude mcp add command. For a remote server: claude mcp add --transport http . For a local npm package: claude mcp add -- npx -y . Every server page here has the exact command and an mcp.json snippet for other clients.

Where does this directory get its data?

It merges the official MCP Registry, the modelcontextprotocol/servers reference servers and the largest community lists (punkpeye/awesome-mcp-servers, awesome-remote-mcp-servers and wong2/awesome-mcp-servers), de-duplicated by repository, and is refreshed regularly.

How do I add my MCP server?

Submit it at claudecodeagents.com/mcp/submit, or have your agent POST it to /api/mcp/submit. Submissions are accepted automatically and go live straight away once a quick check confirms the repo or URL is a real MCP server.

MCP Server Directory: 45,000+ MCP Servers for Claude & AI Agents

828 servers in Knowledge, Memory & RAG

Context7

64k

upstash/context7

Up-to-date code documentation for LLMs and AI code editors.

Local + RemoteAccount neededTypeScriptKnowledge, Memory & RAG

Honcho

7.8k

plastic-labs/honcho

Memory that reasons: continual learning for stateful agents. Better context, fewer tokens.

RemoteAccount neededKnowledge, Memory & RAG

RevoGrid DataGrid

3.5k

revolist/revogrid

Token-free MCP server for structured RevoGrid Core, Pro, and Enterprise knowledge retrieval.

RemoteAccount neededKnowledge, Memory & RAG

Relaticle

1.8k

relaticle/relaticle

Open-source CRM your AI agents can write to: companies, people, opportunities, tasks and notes.

RemoteFreeKnowledge, Memory & RAG

Nautilus Compass Memory

1.3k

chunxiaoxx/nautilus-compass

Local-first long-term memory for AI agents, with byte-recomputable signed verification receipts.

Local + RemoteFreeKnowledge, Memory & RAG

tw Legal RAG

341

aa0101181514/tw-legal-rag

Citation-guarded retrieval over 22M Taiwan court judgments and administrative interpretations

RemoteAccount neededKnowledge, Memory & RAG

Mengram

204

alibaizhanov/mengram

Agent memory with semantic, episodic and procedural types, a knowledge graph, Claude Code auto-save/recall hooks, smart triggers and multi-user isolation.

Local + RemoteAccount neededPythonKnowledge, Memory & RAG

Technocore Chat

166

flop-labs/technocore-chat

Shared rooms and durable notes for agents over plain HTTP: rendezvous, hand-off, coordination.

Local + RemoteFreeKnowledge, Memory & RAG

ContextLattice

156

sheawinkler/ContextLattice

Private-by-default memory and context layer for agents with staged retrieval across fused data backends and long-horizon context continuity.

Local + RemoteAccount neededGoKnowledge, Memory & RAG

WhiteMagic

04k

lbailey94/whitemagic

Local-first durable memory and session continuity for AI agents, with a hash-chained audit ledger and backup, export and import across devices.

Local + RemoteFreeRustKnowledge, Memory & RAG

Apple RAG

121

BingoWon/apple-rag-mcp

Apple developer docs and WWDC transcripts with RAG retrieval and Jev relevance ranking.

RemoteAccount neededKnowledge, Memory & RAG

DeepMem

114

deepmemteam/deepmem

Mem0-compatible persistent memory for AI agents: write facts once, recall them semantically.

RemoteAccount neededKnowledge, Memory & RAG

AIquila

392.2k

elgorro/aiquila

Nextcloud MCP server — 345 tools: files, calendar, contacts, mail, Talk, Deck, photos, maps, notes

Local + RemoteAccount neededKnowledge, Memory & RAG

DocsMint

110

HiAi-gg/docsmint

Cloud or self-hosted knowledge workspace with hybrid document search, GraphRAG, and scoped MCP tools for reading and updating documents.

Local + RemoteAccount neededTypeScriptKnowledge, Memory & RAG

Knowl

110

dat999zx/knowl

Persistent local memory for coding agents that retires replaced facts at write time, so agents read the current answer; facts are typed with provenance.

Local + RemoteFreeTypeScriptKnowledge, Memory & RAG

Infranodus

104

infranodus/mcp-server-infranodus

Map text into knowledge graphs to create a structured representation of conceptual relations and t…

RemoteAccount neededKnowledge, Memory & RAG

OnlyMCP

3.1k

Skills, agents and markdown memory in the cloud, the same in every client, plus a gateway to your other MCP servers.

Local + RemoteAccount neededKnowledge, Memory & RAG

Tela

89168

zcag/tela

Self-hostable Markdown team wiki that agents can search, read and write, plus Atlas, which generates a cited wiki from git repos and Jira.

Local + RemoteAccount neededGoKnowledge, Memory & RAG

Synap Memory

maximem-ai/maximem_synap_sdk

Persistent memory for AI agents — log and recall conversation context over MCP.

RemoteAccount neededKnowledge, Memory & RAG

AutoMem

verygoodplugins/mcp-automem

Graph-vector memory for AI assistants using FalkorDB and Qdrant

Local + RemoteFreeKnowledge, Memory & RAG

context-awesome

61125

bh-rat/context-awesome

Search curated awesome lists and fetch the most relevant resources for your agent.

Local + RemoteAccount neededTypeScriptKnowledge, Memory & RAG

DataSinking

221.1k

heubme2020/datasinking

Full-text financial reports (US, China, Japan, Korea, Taiwan, UK) as clean Markdown for RAG agents.

Local + RemoteAccount neededKnowledge, Memory & RAG

Lotus Wisdom

37606

linxule/lotus-wisdom-mcp

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

Local + RemoteAccount neededTypeScriptKnowledge, Memory & RAG

ContextStream

contextstream/mcp-server

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

Local + RemoteAccount neededTypeScriptKnowledge, Memory & RAG

INITE Brain

inite-ai/inite-brain-service

Long-term memory for AI agents: a bitemporal knowledge graph with cited answers.

RemoteAccount neededKnowledge, Memory & RAG

Cairn.ink Memory

Cairn-ink/cairn-memory

Cross-session memory for AI agents with a Source Receipt for every memory, over MCP.

RemoteAccount neededKnowledge, Memory & RAG

Memwyre

memwyreai/Memwyre

Universal persistent memory and knowledge retrieval layer for AI agents and LLMs.

RemoteAccount neededKnowledge, Memory & RAG

Tedix

tedix-hq/tedix

Connect AI assistants to your Tedix organization’s tasks, knowledge, apps, and results through MCP.

RemoteAccount neededKnowledge, Memory & RAG

Agentdocs

1869

hoornet/agentdocs-mcp

Read, create, update, comment on and share AgentDocs Markdown docs, with full-text and semantic search.

Local + RemoteAccount neededTypeScriptKnowledge, Memory & RAG

GEML

geml-spec/geml

Address Markdown and GEML documents by block instead of by line: list, get, set, add, delete, rename, revert, find and check one block, with every write re-parsed and refused if it would break the document; plus call-graph queries over a codebase.

Local + RemoteFreeTypeScriptKnowledge, Memory & RAG

Mnemoverse Memory

mnemoverse/mcp-memory-server

Hosted memory that learns and forgets: feedback re-ranks useful memories, recall fades by recency and similar memories consolidate.

Local + RemoteAccount neededTypeScriptKnowledge, Memory & RAG

Renor

renorai/renor-engine

Private memory for AI agents: save and recall facts across Claude Code, Codex, Cursor and ChatGPT.

RemoteAccount neededKnowledge, Memory & RAG

Chiplab

veecle/chiplab

Run, build, and validate firmware on virtual hardware from your AI agent. Hardware knowledge corpus.

RemoteAccount neededKnowledge, Memory & RAG

PipesHub

pipeshub-ai/mcp-server

Permission-aware enterprise search and RAG over business apps such as Google Workspace, Microsoft 365, Slack and Jira.

Local + RemoteAccount neededTypeScriptKnowledge, Memory & RAG

Engram

engram-app/engram

Shared memory for Claude, ChatGPT and any MCP client. Read and edit it in Obsidian or the web app.

RemoteAccount neededKnowledge, Memory & RAG

Release Notes Index

buildinternet/releases

Release notes and changelogs from across the web, indexed for agents. Also via CLI and REST API.

RemoteAccount neededKnowledge, Memory & RAG

Synapse Layer

SynapseLayer/synapse-layer

MCP-native Trust Infrastructure for AI Agents. Persistent encrypted memory with Trust Quotient.

RemoteAccount neededKnowledge, Memory & RAG

XMemo

yonro/memory-os-cli

XMemo: user-owned agent memory to save, search, recall and manage scoped memories across AI tools.

Local + RemoteAccount neededTypeScriptKnowledge, Memory & RAG

Savecraft

joshsymonds/savecraft.gg

Savecraft serves real save game data and expert game knowledge to AI assistants.

RemoteAccount neededKnowledge, Memory & RAG

StremAI

2266

thomasjumper/agentbay

StremAI shared memory for coding agents across sessions, machines and tools, with per-agent attribution, provenance, verification status and export.

Local + RemoteAccount neededTypeScriptKnowledge, 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

Cathedral

AILIFE1/Cathedral

Persistent memory and drift detection for AI agents across session restarts.

Local + RemoteAccount neededKnowledge, Memory & RAG

Kanera

happendev/Kanera

Manage Kanera workspaces, boards, cards, checklists, comments, notes, automations, and reports.

RemoteAccount neededKnowledge, Memory & RAG

Burn

1278

Fisher521/burn-mcp-server

Search, triage and organize bookmarks saved in the Burn 451 read-later app as a knowledge base.

Local + RemoteAccount neededTypeScriptKnowledge, Memory & RAG

AIMEAT

miikkij/aimeat-protocol

Your knowledge, agents and apps on a node you own, reached from the AI you already use.

RemoteAccount neededKnowledge, Memory & RAG

Artel

NicolasPrimeau/artel

Self-hosted coordination for agent fleets: shared semantic memory, tasks, agent-to-agent messaging, session handoffs and cross-agent knowledge synthesis.

Local + RemoteAccount neededPythonKnowledge, Memory & RAG

AvianSuite

kyle-visner/stellarjay

Safe write access for AI agents: an append-only business fact store where every change is kept, attributed to the agent that made it, and can be undone (undo_changes). Self-host with stellarjay-mcp or use the hosted AvianSuite server.

Local + RemoteAccount neededGoKnowledge, Memory & RAG

Mob

benkaiser/mob-mcp-crm

An AI-first personal CRM you run in natural language: contacts, reminders, notes, and more.

RemoteAccount neededKnowledge, Memory & RAG