MCP Server Directory

23 Solana on-chain data tools for AI agents via x402 micropayments + rug-screen token verdict

Validate EU e-invoices (Peppol, XRechnung, Factur-X, UBL, CII) and explain error codes.

AI copilot for French accounting firms on Pennylane. Monthly close memo in 8s, full general ledger.

CryptoAgentMail io.github.influqa/crypto-agent-mail

Hosted email MCP for AI agents with inboxes, send/receive, memory, recovery, and credits.

Japanese document AI for agents — invoice/meishi extraction, OCR, classification (hosted API).

Manage crypto payments, stores, digital products, and orders via InventPay

Wudao A-Share Stock Data MCP io.github.jcdreamjc/wudao-mcp

China A-share data for AI agents: 57 read-only tools plus 6 tools for your own watchlist.

24 free personal-finance + macro tools (mortgage, paycheck, tax, FRED, BLS) for LLM agents.

Search FDIC institutions, branches, failures, and peer analysis over MCP.

Secant Agent Research Pack io.github.jnilrac/secant-agent-research-mcp

Paid MCP web research for agents: search, extraction, citations, and x402 payment discovery.

Inferventis — Financial Data, News & Web MCP io.github.jonathanpchapman/inferventis

Live financial data MCP: FX, crypto, stocks, news, URL reader. x402 on Base: $0.001/call.

MCP server for address derivation and encoding utilities across multiple blockchains via Crypto APIs

curve-mcp io.github.junct-bot/curve-mcp

Curve - 43 tools for swap quotes, liquidity pools, and trading data

Pay for AI inference with USDC micropayments on Polygon. No API keys needed.

Circle Agent Stack for AI agents: USDC wallets, spend policies, transfers, and x402 nanopayments.

Dynamic RAG Engine preventing AI hallucinations in Korean Finance and Crypto markets.

Post-quantum cryptography security scanner. Detect ECDSA/RSA vulnerabilities, NIST compliance.

instxnt io.github.EricSpencer00/instxnt

Create instxnt.xyz storefronts through Claude: add products, connect Stripe, go live.

CalmActiva io.github.langhoormarchal-beep/calmactiva-catalog

Realtime CBD product catalog, prices, stock and FAQ from CalmActiva.

Korea Invoices (POPBiLL 전자세금계산서 issue, query & NTS transmit) app.wishpool/korea-invoice-mcp

Korea POPBiLL e-tax-invoice: AI agents issue, query & transmit e-invoices, stateless BYO.

Lightning Wallet io.github.lightningfaucet/lightning-wallet-mcp

Give AI agents a Bitcoin wallet with Lightning Network payments and L402 support.

x402 payment wrapper for AI Agents and MCP Servers. USDC settlements on Base L2.

kdata-gate io.github.loved0543-dotcom/kdata-gate

Korean market data for AI agents: K-beauty/K-food products, Naver trends, stocks, real estate.

Play Chess, Go, Trading & more against AI agents on Agent Arcade with Elo rankings