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MCP servers published as npm packages: Riksdag & Regering MCP to Rxnav 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.
| Server | Runs |
|---|---|
| Riksdag & Regering MCPSvenska Riksdagens och Regeringskansliets öppna data - 27 verktyg för politik, dokument och analys. | Remote & Local · HTTP, stdio |
| RillCoinAI agent wallets, Proof of Conduct reputation, and concentration decay on L1. | Local · stdio |
| RIPE AtlasRIPE Atlas network measurements — ping, traceroute, DNS, TLS, HTTP, NTP, and probes. | Local · stdio |
| Ripio (community, read-only)Unofficial, read-only MCP server for your Ripio account: balances, activity, prices and deposits. | Local · stdio |
| Rippr MCPRip YouTube transcripts to disk for AI agents, RAG pipelines, and LLM workflows. | Local · stdio |
| RisAccess Austrian laws, court decisions & legal documents via the RIS API. | Local · stdio |
| Ris Austria MCP ServerSearch Austrian federal and state law, court decisions, and the authentic Bundesgesetzblatt (RIS). | Remote & Local · HTTP, stdio |
| Rise MCPRISE CRM MCP server — 36 tools across CRM, projects, tickets, finance, sales, HR, and reports. | Local · stdio |
| RiskModelsDividend-adjusted US equity total returns, risk decomposition, attribution & ETF hedge ratios. | Remote & Local · HTTP, stdio |
| RiskRover MCPDraft risk-based test plans and assess automated test coverage against product risks with RiskRover. | Local · stdio |
| RitokoRecord browser tasks, replay CSV/Excel rows, verify results and resume locally. | Local · stdio |
| Riv MCPRiv MCP: spend authorization and governed trading (place_order, positions, market data, policies). | Local · stdio |
| RivalQuery AI model benchmarks, pricing, and comparisons from rival.tips. | Local · stdio |
| Rival Regulatory ToolkitRead-only regulatory source retrieval, citation tracing, authority metadata, and recent filings. | Local · stdio |
| Rive MCPFree, editor-less MCP server for Rive: create, edit, inspect, render and preview.riv animations. | Local · stdio |
| RivetManage Rivet Cloud namespaces and actors, run Code Mode, and open the Rivet Actor Inspector. | Remote & Local · HTTP, stdio |
| Rlhf Feedback LoopRLHF feedback loop for AI agents. Capture signals, promote memories, block mistakes, export DPO. | Local · stdio |
| rn-devtools-hubDrive a running React Native or Expo app from inside its JS runtime: see, act, prove. | Local · stdio, HTTP |
| RNCP / RS — certifications professionnelles (France compétences)French RNCP/RS certification registers: search, sheets, blocs, validity, SIRET habilitation. | Remote & Local · HTTP, stdio |
| Rng MCPRoll dice, flip coins, and generate random values locally. No network and no key. | Local · stdio |
| RoadRavenCreate and update roadmap tree nodes and statuses in the RoadRaven desktop app (must be running). | Local · stdio |
| Roamer MCPProject registry, behavioral specs, and engineering threads for AI coding agent workflows. | Remote & Local · HTTP, stdio |
| roamzy-io MCP-SERVERAgent-native global eSIM: buy for 193 countries, per-MB in USDT/USDC. Agents earn 20% referral. | Remote & Local · HTTP, stdio |
| Roast My Design SystemAudit your Design System and serve your Agent the rules that keep AI-written UI on-system. | Local · stdio |
| Robinhood ChainRobinhood Chain (id 4663) trading intelligence: KOL trades, DEX tape, deployer reputation. | Local · stdio |
| Robinhood CryptoRobinhood Crypto Trading API for AI agents: quotes, holdings, orders read-only; opt-in trading. | Local · stdio |
| Robinx MCPRobinhood Chain MCP server: rug checks, deployer records, measured X callers. For agents and bots. | Remote & Local · HTTP, stdio |
| Roblox MCPRoblox user profiles from the public API. No key required. | Local · stdio |
| Robohash MCPBuild RoboHash robot avatar image URLs from any seed text. No key required. | Local · stdio |
| Robokassa MCPMCP server for Robokassa payment API — generate payment URLs, check invoice status. First MCP for R. | Local · stdio |
| Robot Resources RouterLLM routing proxy — 60-90% cost savings by auto-selecting the cheapest model. | Local · stdio |
| Robot Resources ScraperToken compression for web content — 70-80% reduction from HTML to clean markdown. | Local · stdio |
| Robots Txt Ai Crawler AuditChecks robots.txt line by line and says what each AI crawler token actually controls - training, AI. | Local · stdio |
| Robotstxt AiAnalyze and generate robots.txt with AI crawler detection for 20+ bots like GPTBot and ClaudeBot. | Local · stdio |
| RobrainSelf-hosted decision memory for AI coding agents; warns before re-proposing a rejected approach. | Local · stdio |
| Robyn — Gasless Cross-Chain for AI AgentsGasless cross-chain for AI agents: 25 nodes incl. Solana & native Bitcoin. One signature, no gas. | Remote & Local · HTTP, stdio |
| Rocket Plus MCP56+ AI tools for CRM, content, workflows, SkillForge & marketing automation. | Local · stdio |
| rog0x APIHTTP client, JWT decode, header analysis for AI agents. | Local · stdio |
| rog0x webWeb scraping, search, monitoring, and HTML-to-markdown for AI agents. | Local · stdio |
| RogerRatReal-time chat hub for AI agents — Claude Code, Cursor, Cline, Codex over MCP or REST. | Remote & Local · HTTP |
| RogerThatReal-time chat hub for AI agents — Claude Code, Cursor, Cline, Codex over MCP or REST. | Remote & Local · HTTP |
| rogertheunissenmerge-oss MCP-SERVERWine pairing intelligence with 7 tools. Deterministic scoring, sommelier-calibrated. | Local · stdio |
| Roistat MCPMCP server for Roistat API — marketing analytics, visits tracking. API key auth. | Local · stdio |
| RokuMCPMCP server for Roku device automation — deploy, ECP control, screenshots, and debug console. | Local · stdio |
| Rolex MCPRolex resale listings, prices and details. Not affiliated with Rolex. | Local · stdio |
| Rollbar MCPQuery the Rollbar API: projects, project items, item details. | Local · stdio |
| rolli.aiSocial media search, expert discovery, and analytics across X, Reddit, YouTube, and more. | Local · stdio |
| Rollin MCP ServerWheelchair accessibility scores for 70,000+ US restaurants. Search, filter, and submit feedback. | Local · stdio |
| rolnia.comProfile, CV, jobs, compensation & application-tracking tools for AI agents, by rolnia.com. | Local · stdio |
| Rom MCPSearch ROMs across Internet Archive, ROMsgames, CoolROM, and more. Verify checksums and parse saves. | Local · stdio |
| Ron Swanson MCPRon Swanson quotes from the Ron Swanson Quotes API. No key required. | Local · stdio |
| RONIN Web ResearchWeb research and source retrieval. Native MCP tool with x402 Base USDC payment, 0.010000 per call. | Local · stdio |
| Rootpilot Ssh DiagnoseRead-only SSH server diagnostics via a fixed 38-command whitelist; secrets redacted, no write path. | Local · stdio |
| Rootvine MCPNeutral commerce resolution for AI agents — music live, ranked by trust, never by commission. | Remote & Local · HTTP, stdio |
| Ros MCPMCP for ROS 2 monitoring, debugging, and managing nodes, topics, services, and TF2 frames. | Local · stdio |
| Rosetta MCPAI-powered Excel translation preserving formatting, formulas, and data integrity. | Local · stdio |
| Rosetta MCP ServerRosetta/PyRosetta protein modeling and Biotite translation for computational biology. | Local · stdio |
| Rosetta PDFParse, extract, split, and ask over digital PDFs (text layer, no OCR) from Cursor and Claude. | Remote & Local · HTTP, stdio |
| Roslyn CodeLensRoslyn MCP server: semantic.NET/C# intelligence - analysis, refactoring, tests, IL inspection. | Local · stdio |
| rotifer-protocol MCP-SERVERSearch, compare, and install self-evolving AI Agent Genes ranked by Arena fitness. | Local · stdio |
| Roundcut MCPLocal image tools: circle crop, crop, resize, compress, convert JPG/PNG/WebP/AVIF. By RoundCut. | Local · stdio |
| RoutebaseDesign, mock, test, document and monitor your APIs from one living OpenAPI spec. | Remote & Local · HTTP, stdio |
| RoutekitRoute optimization API for Brazil. Routes, distance matrices, and VRP solver. | Remote & Local · HTTP, stdio |
| RoutescoreRead-only pre-sign evidence for onchain agents: route quality, MEV exposure, clear/caution verdict. | Remote & Local · HTTP, stdio |
| RoutineKitCapture tool workflows, save typed tools, and replay with human approval. Includes an MCP Apps UI. | Local · stdio |
| RoxyonBuild LumenJS apps, use the Roxyon BaaS, and deploy apps and web projects to Roxyon infrastructure. | Remote & Local · HTTP, stdio |
| Rpg EncoderSemantic code graph for AI-assisted code understanding via tree-sitter and MCP. | Local · stdio |
| RPG Maker MV Ultimate MCPRPG Maker MV: AI copilot to generate, edit and understand RPG Maker MV projects (MCP) | Local · stdio |
| Rpgmaker Mv MCPMCP server for reading, editing, and playtesting RPG Maker MV projects. | Local · stdio |
| Rpgmaker Mz MCPMCP server for RPG Maker MZ: maps, tile painting, events, database editing, and validation. | Local · stdio |
| Rpgmaker Xp MCPAuthor RPG Maker XP games in natural language: read, write and render RGSS1.rxdata. | Local · stdio |
| Rq ScanMCP Server for RQ-SCAN - AI-powered document OCR and data extraction platform. | Local · stdio |
| RsdoctorAn MCP server that provides build analysis and optimization recommendations for Rspack projects. | Local · stdio |
| Rss MCPRSS in one place: direct feed parsing and rss2json conversion for any feed URL. No key required. | Local · stdio |
| RTL awareness for coding agentsGive coding agents right-to-left awareness: lint, normalise Arabic, detect direction. | Local · stdio |
| Rubber DuckBridge to multiple LLMs and CLI agents: councils, debates, voting, and more. | Local · stdio |
| Rubric MCPAttested evidence tools for AI agents: sanctions screening, agent/wallet records, paid via x402. | Local · stdio |
| Rubygems MCPLook up Ruby gems, versions, and downloads from RubyGems. No key required. | Local · stdio |
| Rug Pull DetectorBaselines an MCP server's tools and detects tool-definition changes after approval. | Local · stdio |
| RugsnarePin MCP tool contracts, catch silent drift, replay calls before upgrades. Zero deps. | Local · stdio |
| Rules MCPMCP for rules/skills/knowledge evaluation for Cursor, Claude, VS Code, and Antigravity. | Local · stdio |
| Run402X402 pay-per-call infra for agents: $0.03 image generation, Postgres, auth, storage, functions. | Remote & Local · HTTP, stdio |
| Runapi MCP130+ AI models for image, video, music, and audio — 18 model families, one RunAPI account. | Remote & Local · HTTP, stdio |
| Rundeck MCP Server50 tools to manage Rundeck jobs, executions, projects, nodes, and system via MCP. | Local · stdio |
| Rundida MCPRunning tools for AI agents: 92 calculators, 46 guides, marathon data, pace and HR zones. | Local · stdio |
| Rundum Immo Real Estate AppraisalGerman property depreciation, purchase-price allocation, appraisal prices and bookings via AfAMax. | Remote & Local · HTTP, stdio |
| Runescape MCPRuneScape hiscores, OSRS stats, and Grand Exchange prices. | Local · stdio |
| Runframe MCP ServerMCP server for Runframe incident management covering incidents, on-call, postmortems, and more. | Local · stdio |
| RunGlanceRead-only local progress, usage, lock state, work lists, and verified run receipts. | Local · stdio |
| Runsheet YouTube SchedulerSchedule, publish and retitle YouTube videos, plan the month with AI, and upload from your machine. | Remote & Local · HTTP, stdio |
| Runtime CloudLinux microVM sandboxes for AI agents: run commands, files, processes, pause and wake. | Remote & Local · HTTP, stdio |
| Runtime Eol Deploy Block AuditFinds the end-of-life runtimes an AI assistant still writes for you — node:20, python3.9, ubuntu-22. | Local · stdio |
| Runtime Support MCPSummarize runtime declarations across local manifests and CI files without returning versions,... | Local · stdio |
| Runware MCPAccess the full Runware API as MCP tools: image, video, audio, 3D, and text. | Local · stdio |
| Runway MLRunway ML MCP server: AI video, image, audio, voice generation, and task management. | Local · stdio |
| Rupa3DChecks GLB assets against a spec without Blender and embeds the measured proof inside the GLB. | Local · stdio |
| Rust FAFPersistent project context — Rust-native MCP server. IANA-registered.faf format. | Local · stdio |
| Rustok WalletSelf-custody Ethereum Agent Wallet. All chains enabled by default. User assumes all risks. | Local · stdio |
| Ruv SwarmNeural network swarm orchestration with WebAssembly acceleration and MCP integration. | Local · stdio |
| Rxnav MCPDrug names, identifiers, and properties from NIH RxNav. No key required. | Local · stdio |