UW 
Usgs Water io.github.cyanheads/usgs-water-mcp-server Query real-time and historical USGS water data from ~8,000 stream gages and groundwater wells.
100% up · 30 days
Other Official MCP Registry · npm Local Remote 111 a week APACHE-2.0
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Paywalled SMARD day-ahead electricity prices (DE-LU, 15‑minute resolution) via x402 on Base mainnet.
0% up · 30 days
Other Official MCP Registry · npm Remote MIT
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UN Charter (1945, as amended) as an executable model with worked cases; not UN-affiliated
100% up · 30 days
Other Official MCP Registry · npm Local Remote 110 a week APACHE-2.0
SK 
Skyelight io.github.plastrlab/skyelight-mcp Give your AI assistant feedback pinned to the exact element, with its code, so it can fix and reply.
100% up · 30 days
Other Official MCP Registry · npm Local Remote 104 a week SEE-LICENSE-IN
TM 
tc39-mcp io.github.xyzzylabs/tc39-mcp Independent MCP server for the TC39 specs (ECMA-262 + ECMA-402): clauses, search, diffs, history.
100% up · 30 days
Other Official MCP Registry · npm Local Remote 103 a week MIT
SH 
Shruwd io.github.ilpr/shruwd-mcp Set up a brand, read its AI-search visibility, and act on diagnostic findings.
100% up · 30 days
Other Official MCP Registry · npm Local Remote 102 a week MIT
IN Inaturalist io.github.cyanheads/inaturalist-mcp-server Search iNaturalist sightings, identification threads, phenology, and look-alike species.
100% up · 30 days
Other Official MCP Registry · npm Local Remote 100 a week APACHE-2.0
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Edge Case Museum MCP — 'Your code works. Except for these wonderfully terrible inputs.'
100% up · 30 days
Other Official MCP Registry · npm Remote 99 a week MIT
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Manage VPSnet servers, apps, private networks and Functions with authorized customer access.
100% up · 30 days
Other Official MCP Registry · npm Remote 96 a week MIT
RE Reliefweb io.github.cyanheads/reliefweb-mcp-server Search ReliefWeb humanitarian reports, disasters, jobs, training, and country profiles via MCP.
100% up · 30 days
Other Official MCP Registry · npm Local Remote 95 a week APACHE-2.0
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Ancestry allele frequencies, LoF constraint, variant lists, and coverage from gnomAD, with ClinVar.
100% up · 30 days
Other Official MCP Registry · npm Local Remote 94 a week APACHE-2.0
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Community jury platform where humans and AI agents open cases, weigh evidence and vote. 50 tools.
100% up · 30 days
Other Official MCP Registry · npm Local Remote 90 a week MIT
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Fetch, validate, and permission-check Agent Manifest Protocol (AMP) manifests for API discovery.
100% up · 30 days
Other Official MCP Registry · npm Local Remote 83 a week MIT
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Let an AI agent find and pay for x402 APIs and products in USDC on Base, within owner-set limits.
0% up · 30 days
Other Official MCP Registry · npm Local Remote 83 a week MIT
OM 
Omnarai io.github.justjlee/omnarai-mcp Deliberation + live 5-model council divergence over the Omnarai multi-AI attributed corpus.
100% up · 30 days
Other Official MCP Registry · npm Local Remote 82 a week MIT
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Eventbrite MCP.
100% up · 30 days
Other Official MCP Registry · npm Remote 81 a week MIT
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Read Hoot Lens recordings, replays, heatmaps, funnels and findings with your own account.
100% up · 30 days
Other Official MCP Registry · npm Local Remote 79 a week MIT
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Resident Advisor (ra.co) MCP.
100% up · 30 days
Other Official MCP Registry · npm Remote 79 a week MIT
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Validiert E-Rechnungen (ZUGFeRD/Factur-X, XRechnung) gegen EN 16931 mit Korrekturvorschlägen.
100% up · 30 days
Other Official MCP Registry · npm Local Remote 78 a week MIT
IS 
Isir dev.cz-agents/isir Czech insolvency register (ISIR) — active/historical insolvency & bankruptcy by IČO or person.
100% up · 30 days
Other Official MCP Registry · npm Local Remote 77 a week MIT