Catalog
Every x402, MPP, MCP, and skill listing we've indexed, normalized, and enriched.
Hacé Cuentas — Free Calculators
Free calculators as MCP tools: finance, taxes, health, units, dates
SPACEXPLORATION
Search commercial real estate listings
com.overlayqa/mcp
Run accessibility & contrast audits and file QA issues from Claude Code, Cursor, and Windsurf.
io.github.kkohli-nyu/findvise-mcp
AI-native local business data
io.github.azeth-protocol/mcp-server
Smart accounts, x402 payments, on-chain reputation, and service discovery for AI agents
dev.primitive/email
Email infrastructure for AI agents — send, receive, search, and reply to email over MCP.
WingmanProtocol Agent Gateway
Register once, resume your whole self in one call
Va Museum
Victoria and Albert Museum (V&A) Collections MCP.
Rhea
Rhea MCP — expert-curated database of biochemical reactions.
Quickgo
QuickGO (EBI) MCP — Gene Ontology browser.
Protein Atlas
Human Protein Atlas (HPA) MCP — keyless.
Pride
EBI PRIDE Archive MCP — proteomics (mass-spectrometry) data repository.
Powo
POWO (Plants of the World Online, by the Royal Botanic Gardens, Kew) MCP.
Pombase
PomBase MCP — the fission yeast (Schizosaccharomyces pombe) model-organism database.
Metabolights
MetaboLights MCP — EBI's metabolomics study repository.
Intact
IntAct (EBI) molecular-interaction database MCP
Guidetopharmacology
IUPHAR/BPS Guide to PHARMACOLOGY (GtoPdb) MCP — keyless.