Browse the index

Alchemy (Ethereum + L2) MCP.

Bitstamp keyless public market: ticker, orderbook, transactions, OHLC, trading pairs.

brapi.dev MCP — Brazilian stock + crypto + ETF quotes.

QuickBooks MCP Pack — query customers, invoices, and accounts via QuickBooks Online API.

Stripe MCP Pack — read-only access to Stripe data via API key.

TCGdex MCP — multi-language open trading card game database (Pokémon TCG and more).

The Graph MCP — indexed blockchain data via subgraph GraphQL queries

Wordnik English dictionary: definitions, examples, related words, WotD.

YGOPRODeck MCP — Yu-Gi-Oh! trading card game (TCG) database.

Budget-bound x402 payment wallet for AI agents — pays HTTP 402 URLs, capped locally. No backend.

Batch send SOL or any SPL token to 1000+ wallets via x402. AI agent payments on Solana.

Italian e-invoicing (FatturaPA/SdI), Peppol, PDF invoice generation, and account onboarding via POP

Pre-payment PII screener for x402 — catches emails, SSNs, names before agents sign.

Free demand-letter PDF generator for unpaid invoices, 80+ jurisdictions, 29 languages.

Real-time and historical price feeds for 500+ crypto, equities, FX, and commodities assets.

Real-time data API for AI Agents: stocks, weather, forex, logistics, search, scrape, news, IP.

Lifestyle medicine health intelligence via x402 micropayments. 637+ peer-reviewed references.

On-chain wallet analytics and trading strategies on Base for AI assistants

AI agent ecosystem research, DeFi analysis, and market research tools

Protect and verify digital content with cryptographic signing and proof of ownership.