MCP Server Directory

Saylor Innovations: pay-per-call data com.saylorinnovations/data

271 x402 agent APIs: research, law, medicine, science, finance, public data, security and crypto.

SendFaxFast com.sendfaxfast/fax

Send real faxes from AI chat. PDF, JPG or PNG. Pay per fax via Stripe link. US, CA, AU, NZ + 39

TradingPal io.tradingpal/mcp

Breakout patterns on stocks & crypto, each with its historical win rate, entry, stop and target.

Bitcoin blockchain data: latest block height, block info, address info, and mempool fee...

Korean crypto prices from Upbit. No key required.

Crypto prices from Gate.io. No key required.

TrueProxies com.trueproxies/mcp

Plans, services, usage, invoices, endpoints and connection checks for your TrueProxies account

Crypto prices from MEXC. No key required.

acp-sandbox com.flo-voice1/acp-sandbox

Agentic Commerce Protocol sandbox: agent builds a cart, human approves a real PayPal payment.

万机阁 Wanjige — 中文 AI 工具市场 io.github.chenwengui23/wanjige

Chinese MCP tool marketplace: 15,552 callable tools for weather, stocks, FX, docs and calculations.

LICHIDARE.MD md.lichidare/catalog

Assets for sale in Moldova from insolvency, enforcement, bank collateral and public auctions

Bill4Time MCP by usefulapi io.usefulapi/bill4time

Read Bill4Time clients, projects, time entries, expenses, invoices, payments, users and contacts.

Japan Finance Reference Checks io.github.mk-career-planning/jp-finance

Which JPY rate did Japan Customs publish for a date? Is a firm on an FSA list? Hosted. No advice.

TGMCharts io.github.TGM-Ventures/tgmcharts

US stock fundamentals: SEC financial statements, valuation series, summaries, screens, chart images.

Zacatrus es.zacatrus/zacatrus

Juegos de mesa Zacatrus: busca y compra, stock en tiendas, reserva de mesa, eventos y tu cuenta.

Crypto prices from WhiteBIT. No key required.

ASPERN: counterparty checks for agents org.aspern/aspern

What the chain records about an address before you pay it, and whether a payment fits it.

oqro io.github.LdwS123/oqro

Insider, Congress, 13F and federal contract filings for US stocks, each linked to its source.

Crypto Bot Audit + Market Data (x402 paid) io.github.kaminariouji/x402-audit-agent

x402 pay-per-call: 146 MCP tools, no account or key. USDC on Base + Solana, $0.001-$0.01/call.

AgentBadge MCP — agent-readiness scan, passport, discovery, marketplace and circle-payments tools

mcp io.github.tell-and-go/mcp

Book real hotel and resort stays from any AI agent: all-in pricing, hosted Stripe checkout, no key.

Look up protein structures and search the RCSB Protein Data Bank. No key required.

tickerseer com.tickerseer/tickerseer

Stock research with receipts: valuation verdicts, earnings setups, a public ledger of settled calls.

Pay-per-call crypto market data over x402 (USDC on Base). Free catalog without a wallet.