MCP Server Directory

agenticfeed io.github.bluestratus/agenticfeed

Match shopper intent to a merchant's products and fetch live price, stock and product Q&A.

Cryptopolitan MCP io.github.4dmrkey/cryptopolitan

Real-time crypto news, analysis, and price predictions for AI agents via MCP.

civiq io.github.civdotiq/civiq

U.S. civic data for AI agents: reps, votes, bills, finance, lobbying, cited gov sources. 47 tools.

MCP server for French e-invoicing (XP Z12-013). Manages invoices, validation and compliance.

MCP server for Clip (PayClip) — Mexico's leading acquirer: payment links, card charges, refunds

Official Billium MCP server: manage crypto invoices, payments, and webhooks from any MCP host.

MCP server for NuPay — Nubank merchant checkout: Pix + wallet one-click for 100M+ BR users

MCP server for Pluggy — Open Finance Brasil aggregator: accounts, transactions, payment initiation

Diff Checker API io.github.Br0ski777/diff-checker

Compare two texts line-by-line — additions, deletions, unchanged. x402 micropayment.

ResearchSprint io.github.conversiondigital-cmyk/research-sprint

AI research reports: market analysis, competitor intel, blog posts. USDC payment.

Gas Estimator API io.github.Br0ski777/gas-estimator

Multi-chain gas estimation — ETH, Base, Polygon, Arbitrum, BSC. x402 micropayment.

Agentry — The Trust Layer for the Agent Economy io.github.cthulhutoo/agentry

Agent registry with Nostr identity, reputation, escrow, observability, and Lightning payments.

MCP server exposing cryptography library functionality

MCP server for ECDSA cryptography

An MCP server that exposes the python-bitcoinlib API

JSON Validator API io.github.Br0ski777/json-validator

JSON syntax validation, JSON Schema checking, structure stats. x402 micropayment.

clawmerchants-mcp-gateway io.github.danielxri/clawmerchants-mcp-gateway

MCP Gateway: wrap any MCP server with cold-start retries, uptime SLA, and per-execution MPP billing.

JWT Decoder API io.github.Br0ski777/jwt-decoder

Decode JWT tokens — inspect header, payload, claims, expiry. x402 micropayment.

WhatsApp booking, staff coordination, and invoice recovery for services.

NFT Metadata API io.github.Br0ski777/nft-metadata

Fetch NFT metadata — name, image, traits from contract+tokenId. x402 micropayment.

Shopify Catalog Monitor io.github.dizzyvinci/shopify-catalog-monitor

Track price drops, stock-outs, restocks, and new/removed products across Shopify stores.

CryptoData API io.github.elevasyncsolutions-jpg/cryptodata-api

Crypto MCP with 21 tools for market data, DeFi, analytics, and sentiment. Post-paid USDC billing.

Coal — Payments for AI agents io.github.emmanuel39hanks/coal

Payment rails for AI agents. Pay merchants in USDC on Base. Dual-protocol: x402 + OKX APP.

Knox Anchor com.bonissystems/knox-anchor

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