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MCP servers published as npm packages: MCP Jp Calendar to MCP Persona
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 |
|---|---|
| MCP Jp CalendarMCP server for Japanese business days, holidays, and fiscal-period calculations. | Local · stdio |
| MCP Jp Corporate IdValidates and normalizes Japanese corporate numbers and invoice registration numbers (format only). | Local · stdio |
| MCP Jp Doc IntelJapanese document AI for agents — invoice/meishi extraction, OCR, classification (hosted API). | Local · stdio |
| MCP Jp Paid LeaveMCP server for Japanese statutory annual paid leave (nenkyu) calculations. | Local · stdio |
| MCP JumioMCP server for Jumio — global identity verification + KYX: documents, liveness, AML screening. | Local · stdio |
| MCP KafkaApache Kafka monitoring & management for AI agents (with consumer lag) — governed. | Local · stdio |
| MCP KafkaRead-only Kafka for AI agents — topics, offsets, consumer groups, peek messages, health. | Local · stdio |
| MCP KeycloakKeycloak admin for AI agents — realms, users, clients, roles; safe-by-default governance. | Local · stdio |
| MCP KhipuMCP server for Khipu — Chilean instant bank-transfer payments (complements Transbank cards) | Local · stdio |
| MCP Kinetic GainUnified MCP server for the 12-spec Kinetic Gain Suite + DefenseTech 6-pack — 75 governance tools. | Local · stdio |
| MCP KitMCP server for Kit.com (ConvertKit) - manage subscribers, tags, sequences, broadcasts. | Local · stdio |
| MCP Knowledge RagPermission-aware RAG for agents — ingest docs, hybrid search, cited answers (hosted API). | Local · stdio |
| MCP KondutoMCP server for Konduto — Brazilian fraud prevention: order risk scoring, device intel, lists. | Local · stdio |
| MCP KrsMCP server for the Polish KRS company registry via the official Ministry of Justice API. | Local · stdio |
| MCP KubernetesKubernetes monitoring & ops for AI agents — safe-by-default access modes and guards. | Local · stdio |
| MCP KushkiMCP server for Kushki — LATAM PSP: card charges, preauth, PSE/SPEI transfer, cash, subscriptions. | Local · stdio |
| MCP L402 GateL402 Lightning paywall + DoI score gate for MCP tools: challenge, verify, score. | Local · stdio |
| MCP LauncherSingle MCP hub: discover, add, audit, and govern MCP servers across every AI client. | Local · stdio |
| MCP LdbdSubmit and track stock/crypto direction predictions on LDBD's public leaderboard (ldbd.app). | Local · stdio |
| MCP Legal Doc AnalyzerDomain-specific MCP tooling for legal document workflows. | Local · stdio |
| MCP Legal Entity ResolverResolve a company domain to its registered legal entity, company number, LEI and VAT number. | Local · stdio |
| MCP LeverSearch public Lever job boards: resolve a company, read its openings, read one in full. | Local · stdio |
| MCP LibraryofcongressSearch inside scanned US newspapers and browse the Library of Congress catalogue. No API key. | Local · stdio |
| MCP License AuditAudit dependency licenses for compatibility issues. Flags GPL/AGPL conflicts. | Local · stdio |
| MCP Link DoctorFind broken links, missing meta tags, and redirect chains on any website. | Local · stdio |
| MCP Link In Bio Newsletter CheckerFollow a creator bio link and report the newsletter, what they sell, and the contact emails. | Local · stdio |
| MCP Linkedin Company Presence MapperResolve a company domain to its LinkedIn page with the exact follower count. | Local · stdio |
| MCP Linkedin Post Engager CaptureTrack LinkedIn posts from profiles and company pages, with the commenters LinkedIn shows publicly. | Local · stdio |
| MCP ListenGive your AI agents the ability to listen. Microphone capture and speech-to-text. | Local · stdio |
| MCP Local RagSemantic code & doc search with keyword boost. AST code nav, auto HF mirror, local, privacy-first. | Local · stdio |
| MCP Local TranslateLocal NLLB translation for 200+ languages. Zero cloud, zero cost, runs entirely on your machine. | Local · stdio |
| MCP Local WPWordPress database access via Local by Flywheel. Execute read-only MySQL queries and inspect schema. | Local · stdio |
| MCP LoomStdio MCP proxy: intercepts oversized tool results into a queryable embedded DuckDB. | Local · stdio |
| MCP LrclibSearch tracks on LRCLIB and fetch plain or time-synced (LRC) lyrics. No API key. | Local · stdio |
| MCP LyricscomSearch song lyrics on lyrics.com by word or by title, and fetch full lyrics. No API key required. | Local · stdio |
| MCP Mac ControlFull macOS control — drive a Mac like a human: shell, AppleScript, files, and human-like GUI. | Local · stdio |
| MCP MacosObserve & operate a Mac — files, processes, apps, shell, AppleScript, GUI — safe by default. | Local · stdio |
| MCP MailtrapMCP server for the Mailtrap email platform — analytics, sending, contacts, sandbox. | Local · stdio |
| MCP MapmyindiaMCP server for India maps - place search, nearby discovery, & directions powered by the Mappls API. | Local · stdio |
| MCP Market DataMCP server for cryptocurrency asset prices, exchange rates, and market metadata via Crypto APIs. | Local · stdio |
| MCP MarmitonSearch Marmiton recipes, read ingredients and steps, and scale quantities to any servings. | Local · stdio |
| MCP MatHeadless Eclipse MAT MCP server for Java heap dump analysis. | Local · stdio |
| MCP MeetOne-click Google Meet scheduling and Apple Calendar mirroring with availability detection. | Local · stdio |
| MCP Melhor EnvioMCP server for Melhor Envio — shipping rates, labels, tracking, agencies. | Local · stdio |
| MCP MemoryPersistent searchable memory for AI agents — save/get/search across sessions, tags. | Local · stdio |
| MCP Memory GatewayPre-action gates that block AI agents from repeating known mistakes. | Local · stdio |
| MCP Memory GraphLocal-first memory for Claude Code and any MCP client: hybrid search + knowledge graph, $0/token. | Local · stdio |
| MCP Mercado BitcoinMCP server for Mercado Bitcoin — Brazilian crypto exchange, trading, orderbook, withdrawals. | Local · stdio |
| MCP Mercado LibreMercado Libre — LATAM marketplace, product search, orders, sellers, shipments. | Local · stdio |
| MCP Mercado PagoMercado Pago — payments, checkout, PIX, refunds for LATAM. | Local · stdio |
| MCP Meta Ad Library MonitorFind a company active Facebook and Instagram ads through the Meta Ad Library API. | Local · stdio |
| MCP Meta Brand Presence MapperResolve a company domain to Instagram, Threads and Facebook accounts and counts. | Local · stdio |
| MCP MetacriticSearch Metacritic films, shows and games, read scores and critic reviews. No API key. | Local · stdio |
| MCP Microsoft TodoMCP server for Microsoft To Do via Microsoft Graph. MSAL device code flow, no client secret needed. | Local · stdio |
| MCP MidazMCP server for Midaz by Lerian — self-hosted double-entry ledger: accounts, balances, transactions. | Local · stdio |
| MCP MongodbRead-only MongoDB for AI agents — find, aggregate (no write stages), count, stats. | Local · stdio |
| MCP MoonpayMCP server for MoonPay — fiat-to-crypto on/off-ramp, 100+ assets; Pix for Brazil onramp. | Local · stdio |
| MCP Multi EditAtomic multi-file find-and-replace by Essential AI Solutions (essentialai.uk) | Local · stdio |
| MCP MysqlRead-only MySQL/MariaDB for AI agents — query, list/describe tables, health. SQL-guarded. | Local · stdio |
| MCP N8nOperate and build n8n: 61 tools, 560-node catalog, validation, autofix, snapshots and backups. | Local · stdio |
| MCP NequiNequi — Colombian digital wallet (50M+ users, by Bancolombia) | Local · stdio |
| MCP NetassistWindows network and proxy diagnostics: GitHub reachability, proxy ports, DNS/TCP, and fixes. | Local · stdio |
| MCP New CaledoniaMCP server for New Caledonia open data (data.gouv.nc) | Local · stdio |
| MCP Nfe IoMCP server for NFe.io — NF-e, NFS-e, CNPJ, CEP. | Local · stdio |
| MCP Nfse NacionalMCP Server para consulta de NFSe no portal nacional (nfse.gov.br) | Local · stdio, HTTP |
| MCP NiubizMCP server for Niubiz — Peru card acquirer: security token, session, authorize, reverse. | Local · stdio |
| MCP NotifyMinimal MCP server that plays a sound and shows a system banner when an AI agent finishes a task. | Local · stdio |
| MCP NotionNotion for AI agents — search, read pages/blocks, query databases, create pages. | Local · stdio |
| MCP NsaMCP server for Polish administrative court rulings (NSA/WSA) via CBOSA with citations. | Local · stdio |
| MCP NupayMCP server for NuPay — Nubank merchant checkout: Pix + wallet one-click for 100M+ BR users. | Local · stdio |
| MCP Nuvem FiscalMCP server for Nuvem Fiscal — NF-e, NFS-e, NFC-e, CNPJ, CEP. | Local · stdio |
| MCP ObservabilityObservability for incident agents — query Loki (LogQL), Prometheus (PromQL), Elasticsearch. | Local · stdio |
| MCP ObservatoryMCP security scanner. CI-native testing, attack simulation, health scoring, and SARIF. | Local · stdio |
| MCP Obsidian CliSave chat notes from Claude Desktop to your vault — MCP on Obsidian CLI. Keep what matters. | Local · stdio |
| MCP OciOracle Cloud discovery + Terraform generation for AI agents — read-only, secret-safe. | Local · stdio |
| MCP OmieMCP server for Omie — ERP, customers, products, orders, invoices, financials. | Local · stdio |
| MCP OnfidoMCP server for Onfido — global identity verification + KYC: applicants, documents, checks, workflows. | Local · stdio |
| MCP Open FinanceMCP server for Open Finance Brasil — accounts, transactions, consents, credit, loans, investments. | Local · stdio |
| MCP OpenapiTurn any OpenAPI/Swagger spec into MCP tools — each operation an SSRF-guarded tool. | Local · stdio |
| MCP Openapi RunnerTurn any OpenAPI 3.x spec into callable MCP tools for Claude. No custom integration code needed. | Local · stdio |
| MCP OpenpayMCP server for Openpay — BBVA-owned Mexican gateway (cards, SPEI, OXXO, subscriptions, payouts) | Local · stdio |
| MCP OpenshiftSafe-by-default MCP for OpenShift / Kubernetes: projects, pods, logs, deployments, routes. | Local · stdio |
| MCP OsascriptMacOS automation: 17 typed tools for windows, menus, keyboard, clipboard, tabs, screenshots. | Local · stdio |
| MCP Oss OnrampMCP server to scout beginner-friendly OSS issues with high precision using GitHub GraphQL. | Local · stdio |
| MCP Outbound Infrastructure FingerprintDetect whether a company runs cold outbound, on what stack, and from which sending domains. | Local · stdio |
| MCP OutlookOutlook mail and OneDrive files via Microsoft Graph — read, search, send and organize. | Local · stdio |
| MCP Output FirewallThree-layer firewall for MCP: content, egress and action policy. Proxy or server. | Local · stdio |
| MCP PackageMCP server for OOM x402 search 1,000+ pay-per-call API endpoints. | Local · stdio |
| MCP Pagar MeMCP server for Pagar.me — orders, charges, recipients, transfers, plans, subscriptions, webhooks. | Local · stdio |
| MCP PagbrasilPagBrasil — cross-border acquiring into Brazil: Pix, Boleto Flash, refunds. | Local · stdio |
| MCP Page Finder ExtractorFind a named page type on a company's own website from its domain, in 11 languages. | Local · stdio |
| MCP PagseguroMCP server for PagSeguro/PagBank — orders, Pix, boleto, credit card, charges. | Local · stdio |
| MCP Pay GateDual-rail Lightning paywall for MCP servers: accepts L402 and x402 bip122/exact, one LNBits backend. | Local · stdio |
| MCP PaypalMCP server for PayPal — global payments + payouts: Orders v2, Payments, Subscriptions, Disputes. | Local · stdio |
| MCP PaywayPayway (ex-Decidir) — Argentina card acquiring: tokenize, charge, capture, refund. | Local · stdio |
| MCP PearMCP server for Pear Protocol: markets, positions, orders, portfolio, and gated trade execution. | Local · stdio |
| MCP People FinderFind people at a company by role, seniority and department, with verified business emails. | Local · stdio |
| MCP PequerecetasRead Spanish family recipes from Pequerecetas and rescale them honestly. No API key. | Local · stdio |
| MCP Percona PgManage Percona PostgreSQL + PgBouncer on Kubernetes — safe-by-default access modes and guards. | Local · stdio |
| MCP PersonaMCP server for Persona — developer-first identity verification + KYC (inquiries, accounts, reports) | Local · stdio |