/ catalog…
Catalog
Every x402, MPP, MCP, and skill listing we've indexed, normalized, and enriched.
MCPq 0.45
Usgs Earthquakes
USGS Earthquake Catalog MCP (FDSNWS event API).
mcptransport-streamable-httpremote-server
free
MCPq 0.45
Semanticscholar
Semantic Scholar Academic Graph MCP.
mcptransport-streamable-httpremote-server
free
MCPq 0.45
Sefaria
Sefaria MCP — the free digital library of Jewish texts.
mcptransport-streamable-httpremote-server
free
MCPq 0.45
Metmuseum
The Metropolitan Museum of Art Collection MCP.
mcptransport-streamable-httpremote-server
free
MCPq 0.30
io.github.heznpc/airmcp
Apple-native MCP server - 272 tools across 29 modules
mcptransport-stdio
free
MCPq 0.30
io.github.anzy-renlab-ai/pronounce
How engineers actually pronounce developer jargon — 1,650+ sourced entries (kubectl, nginx, GIF).
mcptransport-stdio
free
x402· base
Hotel search, pricing, and availability for travel booking and itinerary agents
x402-eip155:8453
per_call
x402· base
Hotel search, pricing, and availability for travel booking and itinerary agents
x402-eip155:8453
per_call
x402· base
Full detail for a registered trading bot: linked wallets, attested missions, performance stats, on-chain activity summary
Full detail for a registered trading bot: linked wallets, attested missions, performance stats, on-chain activity summar
x402-basehttp-get
0.1 USDC / call
MCPq 0.55
GeoGebra
Controls GeoGebra math visualization software for creating geometry, 3D models, and animations via 15+ tools.
mcptransport-stdioopen-source
free