MCP servers (14247)
Random UUID v4
Random UUID v4
Randomuser
Random User MCP — wraps randomuser.me (free, no auth)
Range bytes start-end shape, value discarded
Range bytes start-end shape, value discarded
Rank by Ouroboros Apps
SEO rankings and traffic from Google Search Console for AI assistants, read-only
RankJot
Real Google rankings as a tool: where a domain ranks for a keyword, plus the top 10 organic results.
Rankability
SEO research, AI visibility, content, and audits through your Rankability workspace.
Rankine to kelvin, number discarded
Rankine to kelvin, number discarded
Ransack
Web search & fetch MCP for AI agents: 12 engines, one key, flat $15/mo at ransack.tools.
Raptor Studio
Build, validate and simulate reliability block diagrams (RAM analysis) from an AI assistant.
Rarefaction
LSP call graph for coding agents: a symbol's callers, callees, tests and live files in one call.
Rasczak Knowledge Commons
Free decision methods, work-kit previews and optional feedback. Hosted research is not available.
Rata Die day band
Rata Die day band
Rata Die integer band
Rata Die integer band
Rawg
RAWG MCP — wraps the RAWG video games database API (rawg.io)
Ray notifications
Send email, push, Slack, Discord, Telegram and webhook notifications and manage templates with Ray.
Raziel
MCP server teaching AI agents to implement TideCloak: auth, E2EE, IGA, security analysis
ReClip
Inspect and download authorized media or precise clips locally with yt-dlp.
ReactFrame
Search ReactFrame's React + Tailwind + Motion components, install free ones and price premium picks.
Reactome
Reactome MCP — open biological pathway knowledge-base.
Read Quran Today
The Quran (Madinah Mushaf): Arabic, 127 translations, tafsir, word by word and recitations
Readiness scorer — can an agent sign up to your SaaS?
Probe a signup URL you own and score whether an AI agent can sign up unaided.
ReadyAgents
Local YAML/JSON agent workflow CLI with approvals, resume, and optional stdio or loopback MCP HTTP.
Real Alpha
What AI founders and researchers said in long interviews: quotes, speakers, dates and links to cite.
Real Estate Data
Zillow homes and rentals, Zumper rentals and Craigslist housing listings as tools. Runs on Apify.
Real estate deal memo
Real estate deal memo from a US address: AVM, rent, comps, cap rate, cash-on-cash, DSCR, red flags.
RealRun
Independent AI model test scores on 5 tasks: inbox, scheduling, receipts, finance, support replies.
RealWorldAPIs
Evidence-first registry of real-world APIs for AI agents, with verified metadata and comparison.
Realask - verified answers from the physical world
Ask a US local business a current question by phone. Typed, timestamped answers for agents; x402.
Realestate
Real Estate Japan MCP — actual residential/commercial transaction prices and
Realestateapi
RealEstateAPI MCP — property search, detail, and skip-trace (realestateapi.com)