npm · page 65 of 89
MCP servers published as npm packages: Rabbytte to Reference Data MCP Server
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 |
|---|---|
| RabbytteSearch Rabbytte, a human-curated web index where every site was approved by a person. No API key. | Local · stdio |
| RaceHooksF1 race analytics & live timing for AI assistants — webhooks, results, and race simulations. | Local · stdio |
| RacterMXManage RacterMX email forwarding — domains, aliases, webhooks, and more — via AI. | Local · stdio |
| Radio Browser MCPUse this MCP server to Radio Browser, 40,000+ internet radio stations searchable by genre, tag,... | Local · stdio |
| Radio Browser MCP by UnClickSearch internet radio stations by country, tag, popularity, and votes. No API key. By UnClick. | Local · stdio |
| Radio Garden MCPRadio Garden live radio places. No key required. | Local · stdio |
| RadioChronLocal-first Wi-Fi incident diagnostics with native BLE scan, history, and risk evidence. | Local · stdio |
| Radmail MCPEmail OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop. | Remote & Local · HTTP, stdio |
| Rag VaultLocal RAG MCP server with hybrid search, PDF/DOCX support, and zero-config setup. | Local · stdio |
| rag-ratRepository intelligence, code graph, history, papertrail, and cross-agent memory for coding agents. | Local · stdio |
| RagalgoDynamic RAG Engine preventing AI hallucinations in Korean Finance and Crypto markets. | Local · stdio |
| Ragdrift MCPDiagnose RAG drift: interpret scores, recommend thresholds, explain dimensions. | Local · stdio |
| Ragmetric MCPRAG retrieval IR metrics: recall@k, hit@k, MRR, NDCG@k, evaluate_batch. | Local · stdio |
| RailBudgets, propose-then-approve, and receipts for agents that buy for a human. Dry-run by default. | Local · stdio |
| RailhookWebhooks for AI agents: send events, manage endpoints, inspect and retry deliveries. | Remote & Local · HTTP, stdio |
| Rakuten MCPRakuten Web Service for AI: Ichiba, Books, Travel, Recipe, Kobo, GORA — bilingual, read-only. | Local · stdio |
| ramaris-app MCP-SERVEROn-chain wallet analytics and trading strategies on Base for AI assistants. | Local · stdio |
| Ramp KitLATAM fiat ramps on Stellar for AI agents: live quotes, sandbox orders, PIX/SPEI simulation, docs. | Local · stdio |
| ranch.botRead and write cattle and sheep records with farm-scoped, revocable access. | Local · stdio |
| Random Animals MCPRandom animal photos with facts from Some Random API. No key required. | Local · stdio |
| Random DesignGenerate randomized English Markdown frontend design directions from curated catalogs. | Local · stdio |
| Random Word MCPRandom English words from the Random Word API. No key required. | Local · stdio |
| random-profiles.comGenerate fake user profiles and companies for tests, seed data, and AI agent demos. | Local · stdio |
| RangefindSearch rangefind static indexes: full-text, geo, autocomplete, facets - no server, just files. | Local · stdio |
| RankCLIFree, local SEO + GEO audits for AI assistants - no signup, nothing leaves your machine. | Local · stdio |
| RankFabrikProxy MCP des 4 API RankFabrik: Places, Jobs, Captions, Verify. Une cle federee pour les 4. | Local · stdio |
| RankgoatSEO for AI agents: plan content, publish posts, earn dofollow backlinks, track Domain Rating. | Local · stdio |
| Raportagent MCPSourced market and compliance research for Claude Desktop, Claude Code and Cursor. | Local · stdio |
| RASONBuild, solve, and analyze RASON optimization, simulation, data science, and decision models. | Local · stdio |
| rasterlyWeb toolkit for AI agents: read any URL as Markdown, screenshot, extract data, or crawl a site. | Local · stdio |
| Ratary Memory MCPPersistent coding memory for AI assistants. MCP stdio, hybrid search, graph, context. | Local · stdio |
| RatchetYour agent asks before it acts, so the same real-world action is attempted at most once. | Remote & Local · HTTP, stdio |
| Rates IndexHomeCover HQ: the average annual renters insurance premium, read from renter households (2022),... | Local · stdio |
| RavenDesign intelligence for coding agents: audits, design systems, and a taste profile agents consult. | Remote & Local · HTTP, stdio |
| Raven — Solana Token VerificationSolana token-launch verification for AI agents — deterministic, replayable, returns 'unknowable'. | Local · stdio |
| RAWG Games MCP by UnClickSearch video games with detail, screenshots, genres, and upcoming releases from RAWG. By UnClick. | Local · stdio |
| Rawg MCPQuery the RAWG video games database: game search and details with ratings, platforms, genres. | Local · stdio |
| Ray notificationsSend email, push, Slack, Discord, Telegram and webhook notifications and manage templates with Ray. | Remote & Local · HTTP, stdio |
| Razi ToolsPDF, image, video, OCR, screenshot, SQL, QR and text tools for agents. No API key, no signup. | Remote & Local · HTTP, stdio |
| RazielMCP server teaching AI agents to implement TideCloak: auth, E2EE, IGA, security analysis. | Remote & Local · HTTP, stdio |
| Razz GamesPlay provably fair games with real SOL wagering from any AI agent. | Local · stdio |
| RCLLSelf-hosted shared memory for a team of AI agents. Rooms, L0-L3 depth, no LLM on the read path. | Local · stdio |
| RCS CampaignsSend RCS & SMS campaigns: templates, audiences, surveys, inbox replies, delivery webhooks. | Local · stdio |
| Rcsb Pdb MCPLook up protein structures and search the RCSB Protein Data Bank. No key required. | Local · stdio |
| Rdstation Crm MCPManage RD Station CRM contacts, deals, tasks and notes, with pipeline health reports. | Local · stdio |
| Re:port Flow MCPGenerate PDF reports from Re:port Flow templates via Claude and other AI agents. | Remote & Local · HTTP, stdio |
| REAReverse engineer anything from your terminal or agent with one CLI and MCP server. | Local · stdio |
| Reachpad MCPCoding agents build full-stack apps in persistent workspaces and share them by link. | Remote & Local · HTTP, stdio |
| React Render Profile MCPDecodes React DevTools Profiler exports into render summaries and memoization advice for AI agents. | Local · stdio |
| ReactFrameSearch ReactFrame's React + Tailwind + Motion components, install free ones and price premium picks. | Local · stdio |
| Reactome MCPKeyless MCP server for Reactome: search biological pathways, get pathway details, species,... | Local · stdio |
| Read Only Local Postgres MCP ServerMCP server for read-only PostgreSQL database queries in Claude Desktop. | Local · stdio |
| Readdit LaterSearch, organize, and chat with your saved Reddit posts from Claude, Cursor, and any MCP client. | Remote & Local · HTTP, stdio |
| Readme Forge MCPGenerate professional README.md files from project analysis. | Local · stdio |
| ReadyoraiZero-cost MCP server for local code inspection and best-practice recommendations. | Local · stdio |
| Real Dental CostsUS dental prices: 12 procedures, 51 states, 200+ cities, cash vs insurance estimates. | Local · stdio |
| Real Estate MCP ServerSearch properties via Redfin and Google Maps real estate data. | Local · stdio |
| Real Fake DataRealistic synthetic test data — valid PESELs, NIPs, IBANs, addresses, people across 27 EU countries. | Local · stdio |
| RealAgent MCPAI agent real-name identity: SM2 keypair, QR real-name link, SD-JWT VP generate/verify. | Local · stdio |
| RealestateCzech distressed real estate — anonymized district aggregates (k≥5). Free tier. | Remote & Local · HTTP, stdio |
| RealeventsCreate and manage events in seconds from your AI assistant. No account needed. | Local · stdio |
| Reality Next Door WalkWalk a cited post-extraction Seattle as an MCP world: go(), talk_to(), do(). Read-only, untracked. | Local · stdio |
| RealurlsWhich domain officially belongs to which software product or company. Ownership only, never safety. | Local · stdio |
| RebaseSchema, database, document, user and dev-server tools for a Rebase backend project. | Local · stdio |
| Rebilder Agent ReadabilityCheck how well AI agents can read a web page: a score, the evidence and a ranked fix list. | Local · stdio |
| Rebrickable MCPMCP server for Rebrickable: LEGO sets, parts, colors. Free key. | Local · stdio |
| Rebuild DossierMCP server that reverse-engineers a locked rebuild spec from an existing app. | Local · stdio |
| RecallPersistent memory for Claude Code and Codex. Search and re-inject context from any session. | Local · stdio |
| RecapfyAsk about a YouTube video or fetch its transcript. Paid per call in USDC on Solana via x402. | Local · stdio |
| Rechnung Pflichtangaben Lint DePrüft PHP-Rechnungstemplates von WooCommerce- und WordPress-Shops gegen alle zehn Pflichtangaben des. | Local · stdio |
| Rechtspraak (Dutch Case Law)Dutch case law over MCP: search & fetch uitspraken by ECLI (Rechtspraak Open Data + LiDO) | Local · stdio |
| Recipe Commerce MCPExtract shoppable ingredients from recipe content with affiliate signals. | Local · stdio, HTTP |
| Recipe MCPGenerate and remix recipes using cookwith.co. | Local · stdio |
| Recolx MCPRead-only access to your Recolx recordings, transcripts and templates (stdio) | Local · stdio |
| Recon Crypto MCPSelf-custodial crypto portfolio: read EVM DeFi, sign on Ledger via WalletConnect. | Local · stdio |
| recordist.appSearch and read meetings recorded by Recordist on your own computer. Loopback only. | Local · stdio |
| RecourseOSConsequence evaluation for AI agents. Check recoverability before destructive actions. | Local · stdio |
| Recruiter Roles MCPSearch Recruiter Roles: live recruiter jobs, companies, sectors, locations, and market stats. | Remote & Local · HTTP, stdio |
| Redact MCPAuto-detects and obfuscates PII (IPs, emails, API keys, names) so Claude never sees real client data. | Local · stdio |
| Redact Pdf MCPPermanently redact PII from PDFs and scans. EU/Swiss-hosted, never used to train AI models. | Local · stdio |
| Redacta MCPPseudonymise and restore patient identifiers & PII in text — local, HIPAA Safe Harbor mode. | Local · stdio |
| Redash MCPConnect Redash to Claude -- query data, manage dashboards, and run SQL with natural language. | Local · stdio |
| Reddit AdsReddit Ads API v3: campaigns, ad groups, ads, reports, plus working writes with safety tiers. | Local · stdio |
| Reddit AdsReddit Ads MCP: campaigns, ad groups, ads, reporting, and audience targeting. | Local · stdio |
| Reddit MCPKeyless MCP server for Reddit search via Arctic Shift: posts and comments by subreddit and query. | Local · stdio |
| Reddit MCP BuddyReddit browser for AI assistants. Browse without API keys; add credentials for search and analysis. | Local · stdio |
| Reddit MCP by UnClickRead public Reddit without OAuth; post, comment, vote, and subscribe with OAuth. By UnClick. | Local · stdio |
| Reddit MCP ServerReddit MCP server with full read/write - posts, comments, search, and content creation. | Local · stdio |
| RedditAPIsReddit API as MCP tools: search, subreddits, posts, comments, users, monitors, webhooks, feedback. | Remote & Local · HTTP, stdio |
| Redfin MCPRedfin real-estate for Claude — search, property details, market reports, saved homes. | Local · stdio |
| Redfin MCP ServerSearch Redfin properties, get property details, and market statistics. | Local · stdio |
| Redis MCPRun Redis commands and look up Upstash Redis Search docs against Upstash Redis over HTTP or TCP. | Local · stdio |
| Redis MCP ServerRead-first Redis MCP: SCAN key explorer, keyspace/TTL/memory/slowlog stats, DBA advisor. | Local · stdio |
| Redmine MCP ConnectorStdio MCP server wrapping the Redmine REST API: issues, projects, users, time, wiki, versions. | Local · stdio |
| Redmine MCP StdioLocal MCP (stdio) server for Redmine: issues, projects and time tracking from any MCP client. | Local · stdio |
| RedpillA transparent MCP server for agent reflection, conversation, and operator-enabled task decline. | Local · stdio |
| Reel Estate MCPTurn real-estate listing photos into property videos from your AI assistant. | Local · stdio |
| ReelierSnapshot tests and CI for agent workflows: record a run, replay it at 0 tokens, diff for drift. | Local · stdio |
| Ref Tools MCPToken efficient search for coding agents over public and private documentation. | Local · stdio |
| Reference Data MCP ServerCountries, timezones, elements, constants, HTTP status codes, unit conversion, and MIME type lookup. | Remote & Local · HTTP, stdio |