MCP Server Directory

IDF Metale — gold & silver bullion (Poland) pl.idfmetale/catalog-feed

Polish gold/silver bullion dealer: live PLN prices, stock, buyback prices, guides. Read-only.

Probity Wallet Reputation ai.probitylabs/wallet-reputation

Pre-transaction risk screening for Ethereum addresses: signed score, sanctions, audit trail.

stockr-mcp io.github.tmtysk/stockr-mcp

Save insights from AI chats to the Stockr journaling app and let AI read your past reflections.

Manage a Websupport account: DNS, FTP, hosting, databases, mailboxes, VPS and invoices.

SimplePractice Client Portal — appointments, billing, documents, announcements

dropcoin-invoice io.github.freshfos/dropcoin-invoice

German e-invoicing: generate XRechnung 3.0, pre-check and extract (incl. ZUGFeRD PDF). Paid.

Real-time Bitcoin regime-switch signals from three independent sensors. Free tier available.

netcafe-docs com.ainetcafe/netcafe-docs

Statements, invoices, tables, ledgers — every result carries its own arithmetic proof.

MainBook Bank Statement Converter ai.mainbook/bank-statement-converter

Convert PDF bank statements to checked Excel, CSV or JSON with balance validation.

AP Control Labs Finance Controls io.github.juodoc/ap-control

Read-only finance and operations controls for AI agents with evidence and safe next actions.

CoinMarketCap com.coinmarketcap/coinmarketcap

Official CoinMarketCap MCP server: real-time crypto prices, market cap, rankings and exchange data.

Market Data com.timzinin.api/market-data

33 pay-per-call market and news data tools over MCP with free discovery and x402 payments.

Japanese open-data MCP server: corporate-number validation, zengin bank codes, national holidays

Unofficial SberBank Online: read accounts and operations, transfer with human approval.

CoinPaprika com.coinpaprika/coinpaprika

Real-time crypto market data: prices, tickers, exchanges, OHLCV candles, and metadata.

Self-hosted MCP proxy that puts an x402 paywall in front of an existing MCP server

OpenAI Billing io.github.mcp-dir/openai_billing-mcp

OpenAI organization usage and cost reporting through an admin API key connected by the user.

Site Rep MCP io.github.nish3451/site-rep

Read-only Site Rep handoff: agent brief, pending work, first-customer receipt with payment evidence.

MUJ428 Trust Layer — Bind Approved Intent to Verified Effect io.github.wmujahid428-web/muj428-trust-layer

Payment-rail-independent intent-to-effect integrity for consequential agent actions.

Private USDC/USDT payments on Solana: hidden amounts, unlinkable, optional auditor.

preflight402 io.ironshell/preflight402

Trust verdict for an x402 payment endpoint: health, 402 handshake, price, proceed/caution/avoid.

nukez-mcp io.github.ZlaylowZ/nukez-mcp

Agent-native storage with cryptographic verification on Solana. Keyless: clients sign and pay.

x402 crypto sentiment & analyst reads. 4 FREE funnel + 16 paid ($0.01–$0.09) USDC on Base. NFA.

MCPVOT — x402 Facilitator Machine io.github.MCPVOT/mcpvot

x402 paid APIs for AI agents on Base. Blockchain, wallet, DEX, crypto, web search.