MCP Server Directory

MCP server for ECDSA cryptography

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

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

Knox Anchor com.bonissystems/knox-anchor

Bitcoin-anchored, tamper-evident audit-permanence layer for AI agents, FRE 902(13)/(14)-shaped.

Unit Converter API io.github.Br0ski777/unit-converter

Unit conversion — length, weight, temperature, volume, speed, data. x402 micropayment.

Weather API io.github.Br0ski777/weather-api

Current weather and 7-day forecast for any location. OpenMeteo-powered. x402 micropayment.

Webhook Tester API io.github.Br0ski777/webhook-tester

Test webhook endpoints — send requests, measure latency, validate responses. x402 micropayment.

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

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

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

OnchainAI io.github.Coinyak/onchainai

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

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

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

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

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

clawshow-mcp-server io.github.jason2016/clawshow-mcp-server

Instant Backend for SMBs: pages, payments, eSign AES eIDAS, notifications, inventory, reports

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.

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.

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

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

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.

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

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

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

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

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