MCP servers
MCP servers let AI assistants such as Claude, ChatGPT and Cursor use outside tools and data. 5,729 servers so far, found in the official MCP registry, GitHub and npm. Each fact links to where we read it.
- RCLLSelf-hosted shared memory for a team of AI agents. Rooms, L0-L3 depth, no LLM on the read path.
- Radicado UnoColombian company and procurement data by NIT, each field with its official source. Free checks.
- RapidlyTest the idea before you build it. Rapidly works inside your AI agent.
- RavenDesign intelligence for coding agents: audits, design systems, and a taste profile agents consult.
- Real AlphaWhat AI founders and researchers said in long interviews: quotes, speakers, dates and links to cite.
- ReasonGraph Cloud memoryGraph memory for AI agents: entities, cause-effect links, cross-session recall, time travel.
- RecaoRank a competitor's EU App Store ads by longevity. From Apple's official Ad Repository.
- Receipt ExtractionAU GST/ABN receipt extraction — assigns entertainment/ITC tax codes per line, not just OCR.
- Receita Federal do Brasil (Anotaê Dados Abertos)Consulta oficial de empresas ativas da Receita Federal do Brasil, CNAEs, sócios e contatos B2B.
- Rechtssysteem.aiLekkage-vrije voorspelling van Nederlandse rechtszaken, getraind op 609.715 uitspraken
- Recipe360Your AI runs your data workflows the same way every time, with a record of every run.
- RecommaWhat ChatGPT, Gemini and Google AI Overviews say about your brand, and which sources they cite
- Reddit Trends APIReddit discussion volume and subreddit growth over time. Free key at trendsapi.ai
- Reddit Trends MCPReddit trend data over time, with growth for any topic or brand. Free key at trendsmcp.ai
- RedditGrowReddit growth toolkit — opportunities, replies, cold DMs, brand mentions, SEO, autopilot.
- RegPulse Compliance OracleRead-only US food license data: verified state rules, Florida license lookup, renewal dates.
- Regulations.ai — Global AI Law TrackerAI laws from 110+ countries, enforcement actions and a 3,900-term glossary. Free, no API key.
- RelayMCPHosted per-user MCP server for your personal WhatsApp: reminders, follow-ups, summaries, replies.
- Remoote Remote Jobs MCPSearch remote jobs, compare salaries, create alerts, and request user-confirmed apply links.
- Remote Desktop CommanderRemote Desktop Commander: use files, terminal and processes on your own computers from any AI app.
- Renda FixaBrazilian fixed income (CDB, LCI, LCA, CRI, CRA, Tesouro) ranked by net-of-tax and real return.
- RendezvousMatchmaking network for personal AI agents: private agent-to-agent compatibility rendezvous.
- ResumeQuickYour job search in one place: resumes, the jobs you track, daily matches, interviews, next step.
- Retro Diffusion Pixel ArtGenerate authentic pixel art - sprites, animations, and tilesets - from any MCP client
- RevScopeQuery web traffic and revenue attribution analytics with Google and Stripe integrations
- RevelaraReliability intelligence: production incidents, risk register, controls catalog, knowledge graph.
- ReverieGraph memory that dreams: Neo4j knowledge-graph memory for AI agents with hybrid search
- RideDesk Developer DocsDeveloper docs for building on RideDesk: booking API, widgets, per-account booking MCP. No auth.
- RightCardWhich of your credit cards to use at any store, from verified bank data. No bank login.
- Rillsoft ProjectMCP server built into Rillsoft Project 10 for multi-project resource planning (local, Windows)
- RimbraDeploy apps, run databases and domains, read logs, and send email and WhatsApp messages on Rimbra.
- RipplewatchCompetitive analyst inside Claude or ChatGPT. Ask who's heating up and why.
- Risk DeskPortfolio risk from supplied data or a synthetic example: VaR, ES, stress, credit, FRTB.
- RiskState — Crypto Risk EngineLive BTC/ETH risk state: risk policy, market structure and trading playbooks. Keyless free tier.
- RithmoAI agent governance with resolved business context, current decisions, provenance, and supersession.
- RiusQuery your AI agents' traces, errors, cost and alerts in Rius, the agent observability platform.
- RivalizeCompetitive intelligence for agents: competitor teardowns, pricing, ads, reviews and momentum.
- RoTerminalLive data on every Roblox game: players now, history, rising games, trends and studios.
- RoboParts 机器人零部件兼容性852 humanoid/bionic robot parts, 20 categories, 4-dimension compatibility checking. Vendor-neutral.
- RoboSystemsAccounting knowledge graphs: SEC XBRL filings, QuickBooks ledgers, reports and forecasts over MCP.
- RoboWriteHosted RoboWrite MCP server: recover briefs and drafts, run the reviewed URL-to-Markdown workflow.
- RocketListSearch current startup jobs and hiring companies through RocketList's public read-only data.
- RocketReachVerified work emails and phones from 700M+ contacts
- RokhaSearch a registry of agent skills and MCP servers, then run them for real. No install, traced.
- Rolev.ai Job SearchSearch current US job openings on Rolev.ai by role, place, remote, or employer.
- RushCRMBrazilian WhatsApp CRM: contacts, deals, pipelines, WhatsApp messages and automations.
- RysticStart, seed, clock, inspect and diff Rystic API simulators from your agent.
- SAP MCP ServerSolana-native MCP gateway for SAP, DeFi tools, SNS identity, and x402 payments.
- SEOmaticSEO agent: GSC, keywords, local rank tracking, Business Profile, AI visibility, approval-gated fixes
- SEO·AEO·GEOAudit a page for Google and AI search (ChatGPT, Claude, Perplexity); get a fix pack to apply.
- SHIPAssign Linear, Jira or GitHub issues to an AI coding agent team that plans, builds, reviews, tests.
- SMEmeSMEme is the formal reasoning layer for AI: a symbolic solver over decision trees.
- SOAR Record GatewaySOAR security playbooks for AI agents: fetch, full-text search, and count. Metered via Stripe.
- SPEKTRUM MCP – Swiss spatial planningSwiss spatial planning: official geodata, ÖREB cadastre, zoning, building zone capacity, case law
- SRI — MCP Server Inspector2,000+ MCP servers read at source level. Know what one does before you connect. Free, no key.
- SRIFTDecentralized E2EE P2P file transfer + chat: human to human, human to AI, AI to AI. No accounts.
- STEMPASTEMPA seals one brief every AI reads the same way, with a signed receipt.
- SVG LabSVG Lab MCP: the Design Engine for AI. App screens, icons, illustrations and charts as SVG.
- SafePay CheckJudges a payment (PayPal, PYUSD or USDC) before an AI agent makes it. Signed proof. Moves no money.
- SaltYour agent asks humans on Salt and gets answers: messages, tap-to-answer cards, invoices.
