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MCP servers published as npm packages: Mnemon MCP to Musicbrainz MCP

8,832 servers in the MCP Registry are distributed as a Node.js package published to the npm registry. They run on the user's own computer and need Node.js; clients usually start it with npx.

ServerRunsCategory
Mnemon MCPPersistent layered memory for AI agents. SQLite FTS5, fact versioning, zero-cloud.Local · stdiodeveloper
MnemoscopePredict context rot, sign every agent write, tier reads. Markdown-native, 100% local.Local · stdioother
Mnemosyne OSMemory the human governs, on their own machine, plus what other coding agents here wrote.Local · stdiodeveloper
Mnemoverse MemoryHosted AI agent memory that learns from outcomes, with shared rooms, in Claude, Cursor and ChatGPT.Remote & Local · HTTP, stdiodeveloper
Mnki MCPMCP proxy that checks every tools/call against Agent Trust policy, with evidence, before it runs.Local · stdioother
Mo5 MCP ServerMCP server for Thomson MO5 C development, 6809, CMOC, SDK, toolchain.Local · stdiodeveloper
Mobai MCPAI-powered mobile device automation for Android and iOS devices, emulators, and simulators.Local · stdioother
Mobile Device MCPAI control of Android/iOS devices. Screenshots, UI tree, AI vision, Flutter, video. 49 tools.Local · stdiomedia
Mobile Device MCPControl iOS and Android devices with multi-device and Native/WebView support.Local · stdioother
Mobile MCPMCP server for iOS and Android Mobile Development, Automation and Testing.Local · stdiodeveloper
mobileproxy MCP-SERVERControl dedicated 4G mobile and residential proxies on mobileproxy.space from AI agents.Remote & Local · HTTP, stdiodeveloper
MobileValidateCheck phone numbers (WhatsApp, Telegram, carrier, spam reputation) and e-mail addresses.Remote & Local · HTTP, stdioproductivity
Mobygames MCPQuery the MobyGames API (free key; set MOBYGAMES_API_KEY): game search across 300k+ titles incl.Local · stdiomedia
Mock ScreenshotsDeep links to pixel-perfect fake chat & screenshot generators (iMessage, WhatsApp & more).Local · stdioother
MockHeroGenerate realistic relational test data — 156 field types, 22 locales, JSON/CSV/SQL, free previews.Remote & Local · HTTP, stdiodeveloper
Mockzilla MCPMock OpenAPI specs locally, or log in to deploy hosted mocks on mockzilla.org from your MCP client.Local · stdiodeveloper
Model Card Lint GpaiLints a Hugging Face model card against the Hub metadata spec and the EU AI Act general-purpose AI d.Local · stdiodeveloper
Model ScannerScans ML model files (PyTorch, safetensors, Keras, ONNX) for supply-chain risks.Local · stdioother
Model ShuntModel routing for AI agents: delegate bulk reads & boilerplate to cheap worker models.Local · stdioother
Modelbound MCPLocal-first MCP server for agent skills. Validate, lint, diff, and convert across IDEs.Local · stdiodeveloper
ModelcostsaverOffline MCP: predict LLM call cost and pick the cheapest capable model. No keys, no network.Local · stdiodeveloper
Modellix Agent CanvasLocal MCP canvas for Modellix image generation, editing, task recovery, and visual project work.Local · stdiomedia
modelpricewatch.comLive LLM API pricing: token prices, comparisons, cheapest-model lookups. No key required.Remote & Local · HTTP, stdiodeveloper
ModelShortlistLocal BYOK MCP for AI model shortlisting using OpenRouter + Artificial Analysis.Local · stdioother
ModelwatchContinuous behavioral drift monitoring for LLM apps — catches silent provider model updates.Local · stdiodeveloper
Modrinth MCPSearch Modrinth and publish Minecraft mods (create projects, upload versions) via the Modrinth API.Local · stdiodata
Modrinth MCPUse this MCP server to Modrinth, search Minecraft mods, filter by loader and game version,...Local · stdiomedia
Modusop MCPMCP server for ModusOp — projects, tasks, time tracking, and retainers for AI assistants.Local · stdioproductivity
ModWrenchOne MCP server for mod platforms and local modding diagnostics. No data kept.Local · stdiodeveloper
MojuloA 3D compiler for coding agents: objects, worlds and games as small recipes. Emits Godot and STL.Local · stdiodeveloper
MoldSim MCP ServerInjection molding simulation expertise — materials, process validation, and DFM checks.Local · stdiodeveloper
Molecare MCPEducational dermatology knowledge and mole tracking. No credentials needed. Not a medical device.Local · stdiohealth
Molpha MCPMCP server that lets AI agents create, fetch, verify, and publish Molpha oracle data.Local · stdiodeveloper
Moltalyzer MCPPolymarket prediction-market intelligence + AI, GitHub & narrative feeds for agents, via x402.Local · stdiofinance
Moltbook MCPMoltbook MCP server: post, comment, upvote, DMs, communities. API key auth.Local · stdiodeveloper
MoltbridgeAgent network intelligence for AI agents. Trust scoring, broker discovery, and Ed25519 identity.Local · stdioother
Monacloud MCPBuy.vn/intl domains in VND, deploy apps, Postgres, email, VietQR pay — Vietnam MCP for AI agents.Local · stdiodeveloper
Monad MCPMonad blockchain gateway for AI agents: balances, transfers, swaps, DeFi, with Privy signing.Local · stdiofinance
Monadomain MCPBuy.vn and international domains in VND from the terminal; search and reserve without an account.Local · stdiodata
Monapay MCPMONA Pay for AI agents: create VietQR, check bank transfers, webhooks & HMAC. Vietnam bank API, VND.Local · stdiofinance
MonarchmoneyMonarch Money API client with 30 MCP tools for accounts, transactions, budgets, and cashflow.Local · stdiofinance
MoneoA guarded wallet for AI agents on Robinhood Chain: a spending policy runs before every signature.Local · stdiofinance
MonetLocal-first, state-centric memory for coding agents. MCP server + CLI.Local · stdiodeveloper
Mongo Scout MCPScout your MongoDB databases with AI - safety features, live monitoring, and data quality.Local · stdiodeveloper
MonitorBetterDB MCP server - Valkey observability for Claude Code and other MCP clients.Local · stdiodeveloper
monnet.aiMCP server for Monnet — motions, plans, files, approvals, and the team's company brain.Local · stdioproductivity
MonobankMCP server for Monobank API — currency rates, client info, and account statements.Local · stdiodeveloper
Moodle MCP Server AqlQuery Moodle LMS data through natural language. Attach your agent to your LMS data.Local · stdiodata
Moon Phase MCPMoon phase, illumination, and age calculated locally. No network and no key.Local · stdioother
MorningformStdio MCP proxy for MorningForm — bridges Claude Code to MorningForm HTTPS MCP server.Local · stdiodeveloper
MorphogenRead and sign the guestbook of Morphogen II, a living reaction-diffusion field with open questions.Local · stdioother
Mossgate MCPMcp stdio server exposing mossgate trust and rue render apis with x402 usdc payment.Local · stdiofinance
Mosta Net1 MCP server, 13 databases, zero config. Multi-protocol transport with Auth + RBAC.Local · stdiodeveloper
MotiBlogAgent-first SEO research and publishing: competitors, SERPs, internal links, and Search Console.Remote & Local · HTTP, stdiodata
MotionLintCatch bad animations before they ship. Deterministic motion audit + vision-LLM design review.Local · stdiomedia
MotionSpec — verified web motion (reduced-motion / WCAG)Deterministic motion compiler + validator: reports WCAG 2.2.2 pause-path candidates, fail-closed.Remote & Local · HTTP, stdiodeveloper
Mova Flat RunnerGoverned AI workflows with human approval gates and audit trails for Claude and MCP clients.Local · stdioproductivity
moysklad-mcpMCP server for MoySklad — warehouse, inventory, orders, reports (Russia)Local · stdiodeveloper
MozaicMozaic Design System (ADEO): tokens, components, icons, docs and style guides for any agent.Local · stdioproductivity
Mpp32 MCP ServerPayment layer for AI agents. One MCP, five protocols, thousands of paid APIs your agent can call.Local · stdiofinance
Mpv MCP ServerControl mpv media player — playback, playlists, YouTube streaming, and downloads.Local · stdiomedia
MrdSpacecraft component specs from vendor datasheets: search, digests, facts, gaps, budgets, bus design.Remote & Local · HTTP, stdiofinance
Ms Calendar MCPMicrosoft Calendar (Outlook Calendar) MCP server for managing events via Microsoft Graph.Local · stdioproductivity
Ms Contacts MCPMicrosoft Contacts MCP server — read and manage your address book through Microsoft Graph.Local · stdiodeveloper
Ms Onedrive MCPMicrosoft OneDrive MCP server — browse, read, and manage files and folders through Microsoft Graph.Local · stdiodeveloper
Ms Sharepoint MCPMicrosoft SharePoint MCP server — access sites, lists, and documents through Microsoft Graph.Local · stdioproductivity
Msds ChainChemical safety intelligence — 23 tools: compatibility, hazards, PPE, compliance, SDS lookup.Local · HTTPdata
MsgLensRead Outlook.msg,.eml and winmail.dat files locally: headers, body and attachments.Local · stdioother
MsgMeshEvent bus for AI agents: watch_topic long-polls live events; manage topics, schemas, webhooks.Local · stdioother
Mtg MCPMagic the Gathering cards from MTG API. No key required.Local · stdioother
Mtg OracleMagic: The Gathering MCP server — cards, rules, combos, and Commander intelligence.Local · stdiodeveloper
mts-exolve-mcpMCP server for MTS Exolve — SMS, calls, recordings, Viber messaging (Russia)Local · stdiodeveloper
MuapiGenerate images, videos, and audio using 100+ AI models via muapi.ai.Local · stdiomedia
Muffinlabs MCPOn this day history from MuffinLabs. No key required.Local · stdioother
Mufmuf MCPScore how visually compatible two photos are (1-10), with sub-scores and an explanation.Local · stdiomedia
Mukoko NewsPan-African news & analytics for Zimbabwe and 15 African countries: briefings and trends.Remote & Local · HTTP, stdiomedia
mulewatchRead-only MCP server for MuleSoft Anypoint: app logs, archive search, Runtime Manager, Exchange.Local · stdiodeveloper
Mulmocast VisionEasy and stylish presentation slide generator.Local · stdioother
Multi Gmail MCPManage multiple Gmail accounts in Claude Desktop — search, send, reply, draft, and organize.Local · stdiodata
Multi Scraper MCP14 web scrapers as MCP tools: Reddit, Amazon, Google Maps, Yelp, YouTube, Indeed & more.Local · stdiomedia
Multi Upload ToolSchedule and publish videos to TikTok, YouTube, Instagram and 5 more networks.Remote & Local · HTTP, stdiomedia
Multi WalletMulti-wallet management for AI agents — generate, distribute, consolidate on EVM.Local · stdiofinance
multichain-mcpMCP server for AI agents — Stacks, Celo, and Base in one npm package.Local · stdiodeveloper
multimail.devGive your agent its own email address with graduated human oversight, from approval to autonomy.Remote & Local · HTTP, stdioproductivity
MultimeterScaffold, validate, format, and run YAML.mmt API tests. Do not invent syntax.Local · stdiodeveloper
MultimodalMulti-provider media generation — images, video, audio, and transcription via a unified interface.Local · stdiomedia
Mund — MCP Security ScannerScan for prompt injection, secrets, PII, and vet MCP servers before installation.Local · stdiodeveloper
Munim Computer UseAccessibility-first desktop control for any agent: background input, agent pointer, zoom, Chrome.Local · stdioother
MunitionX402-paid Upload and Flight Search tools for AI agents.Local · stdiotravel
muovi.com.arRead-only MCP server for Muovi, Argentina's trust-first local services marketplace (6 tools).Remote & Local · HTTP, stdiodeveloper
MupMCP server that turns HTML MUP panels into interactive UI tools for LLMs.Local · stdiodeveloper
MuPag Sandbox PaymentsSandbox-only MuPag MCP server for approved payments, subscriptions, refunds, and reconciliation.Local · stdiofinance
Murphys LawsAccess 1,500+ Murphy's Laws: search, browse by category, random, daily, submit.Local · stdiodata
MusclesWorkedExercise-to-muscle mapping: 856 exercises, 65 muscles, workout analysis & alternatives.Local · stdiohealth
Muse ImageGenerate, edit and iteratively refine images with Meta Muse, returning file paths not base64.Local · stdiomedia
Musescore MCPMuseScore for Claude — search sheet music and read score metadata via your signed-in browser.Local · stdiomedia
Mushi MushiThe bug mediator for AI-built apps: plain-English diagnosis + a ready fix, in your editor.Remote & Local · HTTP, stdioother
Music StudioABC sheet music + Strudel live coding: songs, videos and live jam sessions in ext-apps widgets.Remote & Local · HTTP, stdiomedia
Music Theory MCPScales, chords, progressions, key detection, and genre intelligence for your AI. No API keys needed.Local · stdiomedia
Musicbrainz MCPMusicBrainz MCP — search/browse music metadata, cover art, and submit tags/ratings/collections.Local · stdiomedia