RP 
Rcsb Pdb io.github.pipeworx-io/rcsb-pdb 2.1 · 42/100 RCSB PDB MCP — experimentally determined macromolecular structures.
100% up · 30 days
Science and research Official MCP Registry · npm Local Remote 20 a week MIT
RE Reverb io.github.pipeworx-io/reverb 2.1 · 42/100 Reverb MCP — the musical-instrument marketplace
100% up · 30 days
Other Official MCP Registry · npm Local Remote 20 a week MIT
RH Rhea io.github.pipeworx-io/rhea 2.1 · 42/100 Rhea MCP — expert-curated database of biochemical reactions.
100% up · 30 days
Databases Official MCP Registry · npm Local Remote 20 a week MIT
SI Sanctions Io io.github.pipeworx-io/sanctions-io 2.1 · 42/100 sanctions.io MCP — wraps the sanctions.io Screening API (api.sanctions.io)
100% up · 30 days
Security Official MCP Registry · npm Local Remote 20 a week MIT
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US Senate Lobbying Disclosure (LDA) MCP.
100% up · 30 days
Government and public records Official MCP Registry · npm Local Remote 20 a week MIT
SH Sentinel Hub io.github.pipeworx-io/sentinel-hub 2.1 · 42/100 Sentinel Hub MCP — satellite / earth-observation statistics as JSON (sentinel-hub.com).
100% up · 30 days
Data warehouses and analytics Official MCP Registry · npm Local Remote 20 a week MIT
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SEO AI-Visibility MCP — does brand X appear in an LLM's answer (GEO / AI-SEO) via DataForSEO AI…
100% up · 30 days
Marketing and SEO Official MCP Registry · npm Local Remote 20 a week MIT
SH Shodan io.github.pipeworx-io/shodan 2.1 · 42/100 Shodan MCP — wraps the full Shodan REST API (api.shodan.io)
100% up · 30 days
Security Official MCP Registry · npm Local Remote 20 a week MIT
SH Shovels io.github.pipeworx-io/shovels 2.1 · 42/100 Shovels MCP — wraps the Shovels.ai API (shovels.ai)
100% up · 30 days
Other Official MCP Registry · npm Local Remote 20 a week MIT
SM Smithsonian io.github.pipeworx-io/smithsonian 2.1 · 42/100 Smithsonian Open Access MCP.
100% up · 30 days
Other Official MCP Registry · npm Local Remote 20 a week MIT
SC Snb Ch io.github.pipeworx-io/snb-ch 2.1 · 42/100 Swiss National Bank (SNB) data portal MCP. Keyless.
100% up · 30 days
Finance and payments Official MCP Registry · npm Local Remote 20 a week MIT
SF Space Feeds io.github.pipeworx-io/space-feeds 2.1 · 42/100 Space Feeds MCP.
100% up · 30 days
Web search and scraping Official MCP Registry · npm Local Remote 20 a week MIT
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Spaceflight News MCP.
100% up · 30 days
Web search and scraping Official MCP Registry · npm Local Remote 20 a week MIT
ST Startuphub io.github.pipeworx-io/startuphub 2.1 · 42/100 StartupHub MCP — wraps the StartupHub.ai private-market API (startuphub.ai)
100% up · 30 days
Other Official MCP Registry · npm Local Remote 20 a week MIT
SG Stat Gl io.github.pipeworx-io/stat-gl 2.1 · 42/100 Statistics Greenland (Grønlands Statistik) PxWeb MCP.
100% up · 30 days
Data warehouses and analytics Official MCP Registry · npm Local Remote 20 a week MIT
SY Symmap io.github.pipeworx-io/symmap 2.1 · 42/100 SymMap v2 — Traditional Chinese Medicine association graph from symmap.org (Beijing University of…
100% up · 30 days
Science and research Official MCP Registry · npm Local Remote 20 a week MIT
TC Texas Code io.github.pipeworx-io/texas-code 2.1 · 42/100 Texas Statutes — state statutes by citation.
100% up · 30 days
Legal and compliance Official MCP Registry · npm Local Remote 20 a week MIT
TO Tomtom io.github.pipeworx-io/tomtom 2.1 · 42/100 TomTom MCP — wraps the TomTom Search & Routing APIs (api.tomtom.com)
100% up · 30 days
Maps and location Official MCP Registry · npm Local Remote 20 a week MIT
TR Trykitt io.github.pipeworx-io/trykitt 2.1 · 42/100 TryKitt MCP — wraps the TryKitt.ai B2B email finder API (trykitt.ai)
99.91% up · 30 days
Email Official MCP Registry · npm Local Remote 20 a week MIT
UR Urlhaus io.github.pipeworx-io/urlhaus 2.1 · 42/100 URLhaus MCP — wraps abuse.ch URLhaus malware URL database (free, no auth)
100% up · 30 days
Databases Official MCP Registry · npm Local Remote 20 a week MIT