MCP Server Directory

Nexus Finance API — compliance audit, VaR/RWA risk, market quotes and case management.

Regex Tester API io.github.Br0ski777/regex-generator

Test, validate and explain regular expressions with match highlighting. x402 micropayment.

Research Report API io.github.Br0ski777/research-report

Multi-source research report generator with web fetching. x402 micropayment.

Word Counter API io.github.Br0ski777/word-counter

Count words, characters, sentences, paragraphs, reading time. x402 micropayment.

gapup-mcp io.github.getgapup/gapup-mcp

271 agent-payable tools: competitive intel, finance, KYC, compliance, ESG. x402 per-call.

Flori Financial Data API io.github.goosemafia22-rgb/flori-financial-data

SEC EDGAR financials, insider trading, and economic data for AI agents. US GAAP + IFRS.

World Bank & FRED Macro io.github.guptaprakhariitr/world-bank-economic-mcp

Macro indicators from World Bank, FRED, IMF, and OECD via unified query surface.

Gas Fee Predictor io.github.higherbeing/gasfeepredictor-mcp

Live Ethereum and L2 gas fees: current gas, cheapest L2, forecast, ETH price, cost estimates.

Open Identity Standard for AI Agents — DID, Agent Cards, delegation, reputation, payment & escrow

AI HUNTERZ — Autonomous Crypto Intelligence io.github.hunterzai16z/ai-hunterz

49 crypto intelligence APIs. Whale tracking, DeFi yields, alpha signals. Pay in USDC on Base.

OnchainAI io.github.Coinyak/onchainai

Crypto tool MCP: search/trust/install-risk. Remote tools/call is x402 paid.

Read-only Stripe for AI agents — customers, charges, subscriptions, invoices, balance.

agent-metering io.github.jdhart81/agent-metering

Usage metering + SLA accounting for agent services (the meter behind x402 micropayments).

MCP server for smart contract ABIs and on-chain data from EVM and Solana via Crypto APIs

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

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

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

Payment gateway for AI agents with tool discovery, provisioning, metering, and reliability tools.

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

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

Binance - 340 tools for market data, order books, and trading pairs

Search and book real flights with USDC on Base. 500+ airlines, crypto-native payments.

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

MCP server for Datamuse word-finding API

MCP server for the National Bank of Belgium SDMX statistical API (221 dataflows).

KTA-Oracle io.github.Elemzir/kta-oracle

Live KTA rates, market data, payment rails, AML/VAT compliance, SDK snippets. 16 tools.