MCP servers (13932)
RFC 3986 unreserved charset, input discarded
RFC 3986 unreserved charset, input discarded
RFC 6838 media type shape
RFC 6838 media type shape
RFC errata id shape, value discarded
RFC errata id shape, value discarded
RFC number shape
RFC number shape
RFC section number shape
RFC section number shape
RGB tuple shape
RGB tuple shape
RIPEMD hex length, input discarded
RIPEMD hex length, input discarded
RIPEMD-160 hex length, input discarded
RIPEMD-160 hex length, input discarded
RIS tag count, body discarded
RIS tag count, body discarded
RIVET / AliEV EV Charging Site Intelligence
Start with analyze_ev_site(address) for a free, source-backed EV charging opportunity screen.
ROT13 encode, input discarded
ROT13 encode, input discarded
ROT47 charset transform length, input discarded
ROT47 charset transform length, input discarded
ROT5 digit transform length, input discarded
ROT5 digit transform length, input discarded
RPCS-1 Agent Tuner & Translation Bridge
Find your AI agent's likely failure mode, get runtime settings, and clarify ambiguous prompts.
RPM to hertz, number discarded
RPM to hertz, number discarded
RSS and news feeds for agents
RSS, Atom and JSON feeds for agents: find a site's feed, read items as JSON, keyless news search.
RSS feed shape, body discarded
RSS feed shape, body discarded
RSS/Atom link rel count, markup discarded
RSS/Atom link rel count, markup discarded
RUAGENTIC Directory
Search MCP servers, MCP clients and AI agents, and retrieve listing details. Free, read-only access.
Radar
Radar MCP — wraps the Radar Geocoding / Search API (radar.com)
Radicado Uno
Colombian company and procurement data by NIT, each field with its official source. Free checks.
Radio
Radio MCP — wraps Radio Browser API (free, no auth)
Raily
Raily personal-agent MCP with scoped reads and approved actions.
RallyIQ
Tennis game plans, scouting reports and match breakdowns from shot-by-shot charted matches.
Rami Code Review
AI code review for GitHub PRs with an MCP autofix loop for Claude Code and Cursor
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.