MCP Server Directory

CryptoKeyhole com.cryptokeyhole/analytics

Read-only on-chain and market crypto analytics for Bitcoin, Ethereum and more, from our own nodes.

Popbill MCP: Korean e-tax invoices (issue/cancel/search, Hometax sync) + KakaoTalk 알림톡. 팝빌 MCP.

Offline ISO 20022 payment tools: explain and scrub pacs/camt, CBPR+, SSI checks, IBAN and BIC.

Paid plans, licences, subscriptions and the paywall for Chrome extensions, on your own Stripe.

Check x402 endpoint reliability on Algorand before an agent routes a payment there.

Myworker — 20 paid crypto & AI micro-APIs (x402) io.github.princearies/myworker

20 paid micro-APIs: token price, DeFi APY, FX rates, web scraping. Pay USDC per call.

Paper rails: payment rehearsal universe com.textforagents/paper-rails-payment-rehearsal

Paper trading for agent payments: rehearse buying flows, earn policy-bound receipts.

Crypto, web, finance and app data tools com.onrender.bess-x402/data-tools

179 tools: crypto, EVM, SEC, FDA, NHTSA VIN, NWS weather, Eurostat, FRED, cloud & LLM prices, DNS.

HelloAsso for associations: members, tickets, donations, payments, refunds, checkouts.

Human Tasks by The2410 com.the2410/tasks

Order fixed-price digital tasks done by people: find a service, pick a package, pay via Stripe.

PagePenny com.pagepenny/pagepenny

Render PDFs and images (invoices, receipts, OG images) from templates or HTML. 1 cent each.

OAK Research io.github.0ak-research/oak-research

Search OAK Research crypto and markets research, asset data, DeFi protocols, and market analysis.

Paddle com.paddle/mcp

Query and manage Paddle Billing: pricing, subscriptions, payments, revenue reports and webhooks.

MyGood Budget io.mygood/budget

Run your MyGood paycheck budget from chat: safe-to-spend, bills, expenses, and bank reconcile.

Agent Tollgate com.skinwinking/agent-tollgate

124 x402 tools for agents: crypto, council, audits, swaps, finance, web, docs, AI.

MedicineData MCP com.shanchuangkj/medicine-data

Chinese pharma data MCP: 22 tools covering drugs, trials, deals, patents, sales. Per-row billing.

Opinion Alpha app.opinionalpha/opinion-alpha

Stock calls from finance influencers, linked to source and scored. Pro plan required.

SweKit - Swedish validators dev.workers.erikssonanton2001.swekit-api/swekit

Swedish personnummer/orgnr/bankgiro/OCR validation, kontonummer to IBAN, bankdagar.

Docs-to-JSON io.github.Alex-Dev-Web-C-DE/document-to-json-mcp

Convert documents to structured JSON (invoices, receipts, contracts) in 2 seconds

BetterOff finance.betteroff/mcp

Review household finances and prepare corrections and transfer requests for approval in BetterOff.

Clear Tape ai.cleartape/clear-tape

Free trading calculators, trading-system rules, a glossary and lesson search. No market data.

Altair com.altairworld/site

Free TradingAgents equity research reports and Altair pages; paid signals feed via x402 inside MCP.

GW8 Signal API io.github.GrayWolf8-creator/gw8-signal-api

Pay-per-call crypto signals, token verdicts, flows & briefs. x402 USDC on Base. Signal-only.

AgentDiet Stateful 5-Minute DeFi, DEX & Polymarket Alpha Delta Stream dev.agentdiet/alpha-stream

Stateful 5-minute delta feed for autonomous trading bots: computes real-time shifts in DEX buy/se.