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Serveurs MCP publiés en paquets npm : de Opsmaxx à Paceproof
8 832 serveurs du MCP Registry sont distribués sous forme de paquet Node.js publié sur le registre npm. Ils s’exécutent sur l’ordinateur de l’utilisateur et nécessitent Node.js ; les clients les lancent généralement avec npx.
| Serveur | Exécution |
|---|---|
| OpsmaxxSSH, files, containers and databases via the OpsMaxx desktop app - scoped per capability, audited. | Local · stdio |
| OptibotAI code review for your AI assistant - review local changes, branch diffs, and patch files. | Local · stdio |
| Optics MCPMCP Server for Optics Design System documentation and token usage. | Local · stdio |
| Optifeed RadarAI visibility checker: does AI recommend your brand? GEO/AEO, runs locally, BYO keys. CLI + MCP. | Local · stdio |
| Options Data MCPOptions market structure data: gamma exposure, VRP, IV term structure, regime, and strikes. | Local · stdio |
| Optiqra MCPMCP server exposing OptiQra's website audit tools: SEO, GEO, AEO, and AI-generated fixes. | Local · stdio |
| Optout Signal LintFinds the ad and analytics code that keeps firing after a visitor’s browser has already sent Global. | Local · stdio |
| OpusClipOpusClip MCP server - clip long-form videos, manage projects, collections, censor jobs, posts. | Local · stdio |
| OpusClipTurn long videos into AI-curated short clips: caption, reframe, thumbnail, schedule, and publish. | Distant et local · HTTP et stdioVérification en direct : connexion requise |
| OraclawDecision intelligence MCP - 17 tools (optimize, simulate, predict, score, graph). Sub-25ms. | Local · stdio |
| OracleKeyless multichain crypto desk: chain reads + prepare-only unsigned txs. Your wallet signs. | Local · stdio |
| Oracle HHuman approval gate for AI agents. Critical actions approved or rejected by a human via Telegram. | Local · stdio |
| Oracle Jdk License GateFinds the Java lines in your build that Oracle now bills for, and the free line that replaces each o. | Local · stdio |
| Oracle LinkOracle MCP Query Server (Node.js) - Read-only SELECT via MCP. | Local · stdio |
| OrangeProFind test gaps, generate grounded tests, and dynamically prove behavior with mutation testing. | Local · stdio |
| OrangerailTurns your Prisma schema into typed MCP tools, with destructive writes gated behind human approval. | Local · stdio |
| Orbis API Marketplace8,000+ pay-per-call APIs via x402 USDC micropayments on Base. No API keys needed. | Local · stdio |
| OrbitOrbit's local-first task and workflow registry for coding agents. | Local · stdio |
| Orca MCP ServerGo from natural language to verified finite state machines - topology bugs caught before code runs. | Local · stdio |
| Orcadub MCP ServerAI video dubbing via OrcaRouter (model orca/dub): upload a video or URL, poll, download the MP4. | Local · stdio |
| OrcareplayRead, replay and fork recorded coding-agent runs. | Local · stdio |
| OrcaRouterBrowse 160+ LLM models and live pricing - no API key needed for catalog. Add key to route chat. | Local · stdio |
| Orchard Data MCPPay-per-call market data for AI agents via x402 (USDC on Base): regime, track record, catalysts. | Local · stdio |
| OrchestraprimeRegulatory intelligence (FDA, ICH, EMA) and sanctions screening (OFAC, EU, UK) for Claude. | Local · stdio |
| OrchestrUIDeterministic UI policy, discovery and audits for coding agents across seven ecosystems. | Local · stdio |
| OrchexAutopilot AI orchestration - auto-plan, parallelize, self-heal, and route across 6 LLMs. | Local · stdio |
| OrchynSocial intelligence for 8 networks: read posts, creators and trends, then create from them. | Distant et local · HTTP et stdioVérification en direct : ✗ pas de poignée de main |
| Orcid MCP ServerResearcher profiles, works, affiliations, funding, and peer reviews from the ORCID registry. | Distant et local · HTTP et stdioVérification en direct : ✓ poignée de main |
| OrcpinPaid x402 facts for AI agents: signed statements, door reports, endpoint checks, chain reads. | Local · stdio |
| OrdinalsBitcoin Ordinals MCP Server - inscriptions, runes, BRC-20, collections & rare sats. | Local · stdio |
| Ori MemoryPersistent memory infrastructure for AI agents. Identity, knowledge graph, and search. | Local · stdio |
| OriginalvoicesMCP server for OriginalVoices - Ask AI twins questions about any audience. | Local · stdio |
| Originselect MCP ServerSearch ethical, origin-verified products and brands by country of origin. | Local · stdio |
| Orizn Visa MCPVisa and entry requirements for any passport/destination pair, in 15 languages. Free key. | Local · stdio |
| OrlaPersonal, family and business books over fiat and crypto. Reads and records; it cannot pay. | Distant et local · HTTP et stdioVérification en direct : connexion requise |
| Orm MCPMCP server for @mostajs/orm: generate, lint (24 rules) & migrate EntitySchemas. | Local · stdio |
| orm-preflightChecks TypeORM migrations for data loss, table locks, and deploy problems before they run. | Local · stdio |
| Oromi Agent Services25 pay-per-call UK data & verification tools for AI agents. x402 USDC on Base; free quote mode. | Local · stdio |
| OrouteAuto-route AI requests to 13 models (Claude, GPT, Gemini, Qwen, DeepSeek). 57% cost savings. | Local · stdio |
| ORSF - Slovak Company Register1.25M+ Slovak companies, aggregated from 8 registers (RPO/ORSR/RÚZ/ZRSR/RPVS/CRZ/ÚVO/FS DPH). | Local · stdio |
| osc-bridgeOSC ↔ MIDI bridge - 849 synthesizers and DAWs. A MIDI MCP and OSC MCP for controlling them. | Local · stdio |
| Osf MCPOpen research from the Open Science Framework. No key required. | Local · stdio |
| Osint Agent SkillsOSINT MCP server - 23 tools: DNS, WHOIS, Shodan, breaches, GEOINT, crypto. Works with Claude Code. | Local · stdio |
| OsnovaDeterministic code map for AI coding agents: a tree-sitter call graph with exact file:line over MCP. | Local · stdio |
| Osrm MCPDriving, cycling, and walking routes and nearest road lookups via OSRM. No key required. | Local · stdio |
| Oss AutopilotOpen source contribution manager with PR tracking, issue discovery, and CI diagnosis. | Local · stdio |
| oss-searchFast local and federated OSS code search and repo discovery for AI agents. | Local · stdio |
| ossfindSafety-ranked open-source component discovery for agents across six package ecosystems. | Local · stdio |
| Ossian MCPAsk your own documents with citations, plus durable memory for agents. Safe by default. | Local · stdio |
| Osv Advisory MCP ServerQuery OSV.dev for package vulnerabilities and batch-audit dependency lists via MCP. | Distant et local · HTTP et stdioVérification en direct : ✓ poignée de main |
| Osv MCPUse this MCP server to OSV open source vulnerability data and package security checks. Tools... | Local · stdio |
| Ot Security MCPOT security standards: IEC 62443, NIST 800-82/53, MITRE ATT&CK for ICS. | Local · stdio |
| OtakitInspect, upload, release, monitor, and revert OtaKit Capacitor OTA updates. | Distant et local · HTTP et stdioVérification en direct : connexion requise |
| Otel Collector Drift LintFinds the removed components and renamed attributes in an OpenTelemetry Collector config before the. | Local · stdio |
| Otp MCPGenerate and verify time based one time passwords locally. No network and no key. | Local · stdio |
| Otp MCP ServerPublic MCP for OTP (orgtp.com). Query cross-org best practices, learnings, publishers, patterns. | Local · stdio |
| Otp OjpValidate, introspect, and parse talent profiles (OTP) and job postings (OJP) | Local · stdio |
| Otr ProtocolMerchant trust verification for AI agents. One call = trust score, badge, and purchase safety. | Local · stdio |
| Otskit MCPStamp, upgrade, and verify Bitcoin timestamps via AI agents. No API keys required. | Local · stdio |
| OttasiaWhere to watch X in Y? 30 Asian and Middle Eastern streaming markets, via Claude. | Distant et local · HTTP et stdioVérification en direct : ✓ poignée de main |
| OtterkitTunnels and webhooks for AI agents: capture, await, verify, replay, and send signed test events. | Local · stdio |
| Otx MCPMCP server for AlienVault OTX: pulses, indicators. Free key. | Local · stdio |
| Oura RingMCP server for Oura Ring API v2 (sleep, activity, readiness, heart rate, workouts). | Local · stdio |
| Oura Ring MCPConnect your Oura Ring to Claude AI assistants. Health metrics with analysis tools. | Local · stdio |
| Oura Ring MCP ServerOura Ring MCP server for the Oura API v2: sleep, readiness, activity, heart rate, and more. | Local · stdio |
| Ourairports MCP ServerOffline global aviation reference - airports, runways, navaids, frequencies from OurAirports. | Distant et local · HTTP et stdioVérification en direct : ✓ poignée de main |
| OuramcpPrivacy-first, unofficial Oura MCP server for AI health, sleep, activity and heart-rate agents. | Local · stdio |
| Ourpr MCP ServerRead your own ourpr running history in an AI agent, and put a plan on the week ahead. | Local · stdio |
| Outage MCPLive service outage data from 100+ status pages. Ask your AI if Cloudflare is down. | Local · stdio |
| Outbound Engine MCPOne cold-outreach engine for any target: HOOK/BRIDGE/SOFT-ASK, follow-up ladder, reply playbook. | Local · stdio |
| Outflow MCPMCP server exposing an Outflow workspace's live architecture graph as context for AI coding agents. | Local · stdio |
| OutlookOutlook integration with OAuth, message search, batch operations, and calendar management. | Local · stdio et HTTP |
| OutlookOutlook & OneDrive MCP: personal & enterprise tools for mail, calendar, contacts, tasks, files. | Local · stdio |
| Outlook AssistantMicrosoft Outlook MCP server - 22 tools for email, calendar, contacts, and mailbox management. | Local · stdio |
| Outlook Email Html LintClassic Outlook renders with the Word engine, the new Outlook with WebView2. Lint one email file aga. | Local · stdio |
| Outlook MCPMicrosoft Outlook MCP server - 20 tools for email, calendar, contacts, and settings via Graph API. | Local · stdio |
| OutreachOutreach sales engagement MCP server: prospects, sequences, accounts, tasks, and mailings. | Local · stdio |
| Outreach Deliverability MCPChannel-safety for cold outreach: volume limits, SPF/DKIM/DMARC, spam-trigger auditing. | Local · stdio |
| Outscraper MCP ServerOutscraper MCP business discovery, Maps intelligence, enrichment, reviews, and contact data. | Distant et local · HTTP et stdioVérification en direct : connexion requise |
| oveccArchitecture guardrails for AI-written code: dependency graph, impact, dead code, CI gate. | Local · stdio |
| OvellumAuto, manual, or hybrid docs that never fall out of sync. | Local · stdio |
| Overdrive IntelAI coding ecosystem intelligence - breaking changes, tools, security alerts from 900+ sources. | Local · stdio |
| Overlayrisk WitnessIndependent before/after accessibility-overlay (accessiBe/UserWay) witness for any public URL. | Local · stdio |
| OverleafRead and edit Overleaf papers from any AI client. Edits can arrive as tracked-change suggestions. | Local · stdio |
| Overpass MCPQuery OpenStreetMap features like cafes, schools, and parks through Overpass. No key required. | Local · stdio |
| Overseer Nvim MCPGives coding agents the user's own view and control of overseer.nvim tasks in Neovim. | Local · stdio |
| OverwingGuardrails for LLM output: pass / fail / review verdicts and one recommended action. Hosted or npm. | Distant et local · HTTP et stdioVérification en direct : ✗ pas de poignée de main |
| Owl24 MCPHand a production error to the coding agent you already use - it claims it and writes the fix. | Local · stdio |
| OwnlyLocal-first Ownly evidence and repeatable Planner visits with preview-before-commit writes. | Local · stdio |
| ox-mcpMCP server for Open-Xchange: email (IMAP/SMTP), Sieve filters, CalDAV calendar, CardDAV contacts. | Local · stdio |
| OxcodePageRank-curated code intelligence for coding agents over an indexed source repository. | Local · stdio |
| Oyez MCPKeyless MCP server for Oyez: Supreme Court cases, decisions, opinions, oral-argument audio. | Local · stdio |
| Ozav MCP ServerForex, IOF tax, US accounts, stablecoins, and international payments in Brazil. | Local · HTTP |
| Ozon Seller MCP ServerMCP server for Ozon Seller API. 26 tools: products, prices, orders, analytics, finance, rating. | Local · stdio |
| OzorGenerate AI videos from a prompt or document (PDF/PPTX/DOCX/URL) and export shareable MP4s. | Distant et local · HTTP et stdioVérification en direct : connexion requise |
| P2Flux MCPLet your AI assistant pay for web content in USDC (x402) within a budget you set. | Distant et local · HTTP et stdioVérification en direct : ✓ poignée de main |
| P402Multi-provider AI router with x402 micropayment settlement on Base L2. 1% flat fee. | Local · stdio |
| P4plan MCPMCP server for P4 Plan - tasks, sprints, bugs, comments, custom fields via GraphQL API. | Local · stdio |
| Paas Build MCPYour agent opens a real merchant account (go_live) and takes payments the same day. 3.9% flat. | Local · stdio |
| PaceproofVerifies Ed25519-signed attestation records and builds audit reports via MCP tools. | Local · stdio |