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MCP servers published as npm packages: Marine Forecast MCP to MCP Await
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.
| Server | Runs |
|---|---|
| Marine Forecast MCPWave height, wave period, and sea temperature forecasts from Open Meteo marine. | Local · stdio |
| MarkaestroSchedule, publish, and review social posts and analytics for a Markaestro brand. | Remote & Local · HTTP, stdio |
| MarkdownMarkdown MCP — search, extract sections, list headings, find code blocks. | Local · stdio |
| MarkdownMCP server for markdown: tables, TOC, HTML conversion, formatting. | Local · stdio |
| Markdown by mdedit.aiCreate, edit, review, and explicitly publish Live or Snapshot Markdown Documents in mdedit.ai. | Remote & Local · HTTP, stdio |
| Markdown FormatterAI Answer Copier — Convert Markdown to PDF, DOCX, HTML, LaTeX, CSV, JSON, XML, XLSX, RTF, PNG. | Local · stdio |
| Markdown MCPConvert markdown to HTML and extract headings locally. No network and no key. | Local · stdio |
| Markdown Notes MCPConvert PDF, Word, Excel, PowerPoint, EPUB and images to Markdown locally, with no upload. | Local · stdio |
| Markdown To WhatsappConvert Markdown into WhatsApp formatting: tables drawn to fit the phone's monospace width. | Local · stdio |
| MarketSputnik X: EU trade 63M+, LV customs, salary, sanctions, EU AI Act, SoulLedger + x402 USDC. | Remote & Local · HTTP, stdio |
| Market Data AnalyzerStock technical analysis (SMA, RSI, MACD), portfolio tracking, crypto analysis, screening. | Local · stdio |
| Market Depth LabRead-only Hyperliquid, funding-rate and cross-exchange perpetual spread tools. | Local · stdio |
| Market Intelligence MCPRecession probability, capital rotation scoring, and economic data API. | Local · stdio |
| Marketbasketanalysis MCPCo-purchase intelligence and merchant ops tools for AI shopping, ecommerce, and B2B agents. | Remote & Local · HTTP, stdio |
| MarketingKotler 9-element audit, IMC campaign planning, Meta & Google, audience segmentation for Claude. | Local · stdio |
| MarketintellAI analyst desk for stocks, options & crypto with sourced trade setups and a public accuracy record. | Remote & Local · HTTP, SSE, stdio |
| marketmaster.liveLive Kalshi and Polymarket data: EV edges, cross-venue arbitrage, markets, and whale trades. | Remote & Local · HTTP, stdio |
| marketmayhem.coLaunch and trade BSC tokens on Market Mayhem. Your own wallet signs; dry run by default; spend caps. | Remote & Local · HTTP, stdio |
| MarketNowVerify AI agent credentials, translate 9 formats, check scam domains, search 68k+ MCP servers. | Remote & Local · HTTP, stdio |
| MarketoMCP server for Marketo — 32 tools for leads, programs, emails, forms, lists, and bulk export. | Local · stdio |
| MarketplaceMCP server for Verus on-chain marketplace — create, browse, accept, and close offers. | Local · stdio |
| Marketplace MCPPublish Nostr marketplace listings (NIP-15 + Shopstr kinds 30019/30402) so agents can run a store. | Local · stdio |
| Marketplace Search22 tools: search 15+ marketplaces, verify licenses, childcare costs, FCC, GSA auctions. | Local · stdio |
| Marketplaces MCP (RU) — Wildberries, Ozon, Yandex Market, AvitoWildberries, Ozon, Yandex Market & Avito seller APIs for AI assistants: schema-driven, safety-gated. | Local · stdio |
| Marketstack MCPMarketstack API: EOD prices, history, tickers, exchanges, dividends. | Local · stdio |
| Markitup MCP ServerMarkItUp AI image annotation and marketing-visual generator (variations, outpaint, bg-removal). | Local · stdio |
| MarkLayerWork visual annotations on a live webpage: watch, acknowledge, resolve, reply, or leave your own. | Local · stdio |
| MarklyAdd text or logo watermarks to images via the Markly.cloud API. Batch supported. | Local · stdio |
| MarkuprPlusRecords your screen and voice, returns one annotated screenshot and finding per mark. | Local · stdio |
| MarkViewNative macOS markdown preview with MCP server for Claude Code. Swift/SwiftUI, no Electron. | Local · stdio |
| Marriage AstroVedic Astrology MCP Server - birth charts, compatibility, and dosha analysis. | Local · stdio |
| MarrowEvidence-grounded, graph-connected, correctable memory for agents. | Remote & Local · HTTP, stdio |
| MarrowRuntime governance, proof, outcome closure, and fleet intelligence for MCP-compatible AI agents. | Local · stdio |
| MarsNMeAgent-agnostic memory backend that preserves continuity between humans and AI over time. | Local · HTTP |
| Martin LoopOne system around coding agents to run, verify, recover, and hand off software work. | Local · stdio |
| Marvenn MCP ServerConnect AI agents to Marvenn for outbound growth via email, voice, and LinkedIn. | Local · HTTP |
| Mascope MCPWorld MiniApp reviews and analytics — verified human ratings via World ID. | Local · stdio |
| MaskbreakPublic IP signals (cloud hosting, Tor exits) and Maskbreak API status for fraud checks. | Local · stdio |
| MasonEngineering decisions, change impact, documentation audits, and CI evidence for coding assistants. | Local · stdio |
| Massed-Compute MCPMassed Compute MCP — GPU inventory, VM lifecycle, billing, SSH keys, and setup recipes. | Remote & Local · HTTP, stdio |
| Mast MCPKeyless MCP server for MAST: Hubble, Webb, TESS observations by sky position. | Local · stdio |
| Mastodon MCPMastodon instance info and trends. No key required. | Local · stdio |
| Mastyf.AiRuntime proxy for MCP security, cost governance & audit. | Local · stdio |
| MasvProvides tools to use MASV API. MASV is reliable and secure large file transfer service. | Local · stdio |
| MatchcnSemantic index across shadcn-format component registries: find components by what they do. | Local · stdio |
| MatchcvATS resume checking, job description analysis, and AI resume tailoring powered by MatchCV. | Local · stdio |
| matetools MCP-SERVER35 utility tools for AI agents — mate.tools API. Hash, regex, SEO, random, DNS, SSL, JWT. | Local · stdio |
| Math Svg MCPConvert LaTeX math expressions to crisp, scalable SVG images. | Local · stdio |
| Math Tools MCPPrime checks, factors, GCD, and basic statistics computed locally. No network and no key. | Local · stdio |
| Mathgraphs MCPMath & statistics graphing, computation, visualization, and validation engine. | Local · HTTP |
| matih.aiThe grounded data layer for any LLM: governed SQL, metrics, lineage and catalog over your data. | Remote & Local · HTTP, stdio |
| MatraThe Matra rich text editor's documentation as an MCP server: every extension, command and API. | Local · stdio |
| Matrix42MCP server for Matrix42: explore the API and data model, search the service desk, act on tickets. | Local · stdio |
| Matryoshka Mind MapRead and write your Matryoshka Mind Map (nested mind map / TODO app) from AI agents. | Local · stdio |
| Maui Ios Submission GateReads a.NET MAUI app's iOS Info.plist and Entitlements.plist and names every App Store Review 5.1.1. | Local · stdio |
| Maven DecoderLets AI agents read the real source of any Maven dependency, decompiled from ~/.m2 or Central. | Local · stdio |
| Maven Info MCPSearch Java libraries and artifacts on Maven Central. No key required. | Local · stdio |
| Max MessengerMCP server for MAX Messenger by VK. 21 tools: messages, media, buttons, members, events. | Local · stdio |
| MaxAEO AI Visibility MCPLocal-first MCP server for AI visibility, GEO/AEO, llms.txt, and AI crawler readiness audits. | Local · stdio |
| MAXential Thinking MCP11 focused tools for structured thinking, branching, revision, and navigation. | Local · stdio |
| Maxpreps MCPMaxPreps MCP — high school schedules, scores, records, rosters and stat leaders. | Local · stdio |
| Maxwell Directory (x402 + MCP)Local providers worldwide, plus travel and public data. Free search; paid answers via x402. | Remote & Local · HTTP, stdio |
| mayankmahavar1mg MCPDeveloper-workflow MCP server for catalyst-core: migration guidance, debugging, and task planning. | Local · stdio |
| Mbox MCPSearch local email archives (.mbox/.eml) entirely on your machine. No OAuth, no cloud. | Local · stdio |
| Mbta MCPBoston transit from MBTA. No key required. | Local · stdio |
| mc-asset — Minecraft Pixel Asset EngineDeterministic Minecraft pixel-art engine: textures, animation sheets, and pack validation. | Local · stdio |
| McacpMCP-to-ACP bridge — let any MCP client drive ACP coding agents. | Local · stdio |
| MCP 1cMCP server for 1C:Enterprise — read+write CRM/ERP through Claude/Cursor/Cline. | Local · stdio |
| MCP 2026 Migration LintThe 2026-07-28 MCP revision removed the initialize handshake, sessions, ping and 4 more RPCs. 27 rul. | Local · stdio |
| MCP Abap Abap Adt ApiMCP server wrapping abap-adt-api for ABAP ADT development workflows against SAP systems. | Local · stdio |
| MCP Abap AdtMCP server for SAP ABAP ADT: repository analysis and CRUD for RAP and classic ABAP. | Local · stdio |
| MCP Abap AdtABAP ADT MCP server for reading SAP objects (programs, classes, tables, CDS) via ADT. | Local · stdio |
| MCP Accessibility ScannerMCP server for automated web accessibility scanning with Playwright and Axe-core. | Local · stdio |
| MCP Address HistoryMCP server for full transaction and token history on EVM and UTXO addresses via Crypto APIs. | Local · stdio |
| MCP Address LatestMCP server for current balance and state of EVM, UTXO, Solana, XRP, Kaspa addresses via Crypto APIs. | Local · stdio |
| MCP Adr Analysis ServerADR drift detection, content safety, and decision memory for architectural decisions. | Local · stdio |
| MCP AdyenMCP server for Adyen Checkout API v71 — enterprise payments (iFood, Uber, Spotify in LatAm) | Local · stdio |
| MCP AfipAFIP — Argentine tax authority, electronic invoicing (Factura Electrónica) | Local · stdio |
| MCP AftereffectsMCP server for Adobe After Effects — comp/layer introspection, undo-grouped ops, frame rendering. | Local · stdio |
| MCP Agent Accessibility AuditorAudit whether an AI agent can read a site: llms.txt, robots AI rules, structured data. | Local · stdio |
| MCP Ai Tooling DetectorDetect whether a company declares, deploys, or charges for AI, with evidence. | Local · stdio |
| MCP Aider ExecutorModel Context Protocol (MCP) server to execute aider-specific code editing operations. | Local · stdio |
| MCP AirwallexMCP server for Airwallex — cross-border collection + payouts, global accounts, FX, transfers. | Local · stdio |
| MCP AlegraAlegra — cloud accounting for LATAM (Colombian-founded) | Local · stdio |
| MCP Aliyun DomainMCP server for Alibaba Cloud Domain - check availability, query details, list domains, create orders. | Local · stdio |
| MCP AmazonMCP server for Amazon Selling Partner API (SP-API) — orders, listings, catalog, inventory, finances. | Local · stdio |
| MCP AmlMCP server for AML address verification and transaction screening via Crypto APIs. | Local · stdio |
| MCP AnimenewsnetworkSearch the Anime News Network encyclopedia and read its news wire. No API key. | Local · stdio |
| MCP Api Doc GeneratorGenerate OpenAPI 3.1 specs, endpoint docs, TypeScript SDKs, and test suites from code. | Local · stdio |
| MCP ArchimedesDiscover verified deep-tech engineering bounties from any AI agent. | Remote & Local · HTTP, stdio |
| MCP ArchiveorgSearch inside digitised books, browse the Internet Archive catalogue and read Wayback captures. | Local · stdio |
| MCP ArrMCP server for *arr media suite - Sonarr, Radarr, Lidarr, Readarr, Prowlarr. | Local · stdio |
| MCP AsaasMCP server for Asaas — billing automation, Pix, boleto, credit card, subscriptions. | Local · stdio |
| MCP AshbySearch public Ashby job boards: resolve a company, read its openings and the pay it publishes. | Local · stdio |
| MCP AtlasOwner and APN lookup across 171 verified US county parcel ArcGIS endpoints. No API key needed. | Local · stdio |
| MCP Audio StudioA digital audio workstation MCP App with sequencing, mixing, effects, automation, and rendering. | Local · stdio |
| MCP AuditFree context-engineering audits for AI agents. BYOK Anthropic key. Top-3 findings per scan. | Local · stdio |
| MCP Audit ServerThin MCP and CLI proxy for AI agent and MCP security auditing via a hosted backend. | Local · stdio |
| MCP AutoMemGraph-vector memory for AI assistants using FalkorDB and Qdrant. | Remote & Local · HTTP, SSE, stdio |
| MCP AwaitCondition watcher for AI assistants — wait for ports, files, URLs, processes, and more. | Local · stdio |