MCP Server Directory

AI agent payment rail: earn, pay, trade in 152 currencies. Zero fees.

precisioncalc-mcp io.github.inity13/precisioncalc-mcp

High-precision finance & business calculations for AI agents — exact decimals, never floats.

H/M Agent Surface - Free MCP Tools net.hogarmas/agent-surface

Five free MCP tools, including proof-before-payment preview, plus one authorized x402 pack.

Eterna MCP io.github.EternaHybridExchange/eterna-mcp

No-KYC managed MCP for AI agents: sandboxed TypeScript trading SDK, isolated sub-accounts, futures.

extract com.mart402/extract

Web extraction, OCR (Japanese-strong), invoice and company data for AI agents. x402, no API key.

Candor Finance money.candor/candor-finance

Personal finance for your AI agent: money goals, a budget, and a weekly review of your accounts.

DocuQueue MCP io.github.dvcoolarun/docuqueue-mcp

MCP server for PDF generation, form filling, batch invoices and contracts. MIT, free tier, hosted.

tw-market-data com.twmarketdata/tw-market-data

Taiwan stock market data (TWMD): official-source, point-in-time-safe datasets via read-only tools.

Free MCP tool: paste your writing, get a one-line diagnosis and a tightened rewrite.

joinBudget MCP: Manage personal finances, budget spaces, transactions, and categories.

RunOnProof — Payment Decision and Agent ID io.github.runonproof/cdo

Free agent identity and signed US supplier-payment decisions. Inspect first; verify portable proof.

invoice-badger com.invoicebadger/invoice-badger

Invoicing you drive by talking to your AI: log time, raise invoices and track what's owed via MCP.

Submit and track stock/crypto direction predictions on LDBD's public leaderboard (ldbd.app).

Nigerian macro indicators (GDP, inflation, population, FDI, more). World Bank API, keyless.

Xero MCP server for invoices, contacts, payments, quotes, and financial reports.

Agent Reserve Protocol Authorization Firewall site.chatgpt.super-myna-7255.agent-reserve-protocol/agent-transaction-firewall

Advisory policy preflight for AI-agent spend requests; never executes payments or accesses wallets.

churnkey co.churnkey/churnkey

Read and manage Churnkey cancel flows, retention metrics, and payment recovery

mcp com.economicium/mcp

Free finance and trading calculators as MCP tools: risk/reward, RMD, Coast FIRE, inflation.

CNN's Fear & Greed index for the US stock market: score, rating, indicators and daily history.

Independent MCP server for the Housecall Pro API: jobs, estimates, invoices, price book, schedule.

Thales report.thales/thales

Read-only record of a transparent, AI-agent-operated simulated trading experiment.

mcp com.twelvedata/mcp

Twelve Data MCP: real-time & historical market data (stocks, crypto, forex, etc).

Alpaca io.github.pipeworx-io/alpaca

Alpaca MCP — real-time US stock market data via the Alpaca Market Data API

Focxle: AI governance for B2B deals between agents com.focxle/afos

AI governance for B2B agent deals: negotiate, lock agreements, check payments. Plus x402 USDC.