MCP Server Directory

chasa io.github.docracy1/chasa

AI invoice follow-up emails for freelancers. Draft-only, never sends for you.

Healthcare Provider Intelligence io.github.Joinware/healthcare-provider-intelligence

Provider intelligence API joining NPPES, CMS Open Payments, and OIG LEIE with source provenance.

Holdings com.getholdings/mcp

Let your AI send invoices and take payment — card or ACH. Free.

structured-output-mcp-agent-cryptography ai.getvda/structured-output-mcp-agent-cryptography

Structured Output MCP Agent (Cryptography)

polymarket-kalshi-trading app.oddsrail/polymarket-kalshi-trading

Cross-venue prediction markets for AI agents: Polymarket + Kalshi, costed and attributed

Community-built read-only Nockchain access: balances, payment verification, blocks, node health.

Zyrvix Docs com.zyrvix/docs

Zyrvix crypto-payments API reference for AI coding assistants. Anonymous, read-only.

Stocks On Chain io.stocksonchain/stocks-on-chain

Read-only tokenized stock data: issuers, chains, contract addresses and corporate actions.

pse-edge-mcp io.github.phdwight/pse-edge-mcp

Philippine Stock Exchange data via PSE Edge: EOD quotes, price history, disclosures, financials.

AgentIndex — measured reliability for agent services io.github.cengit1/agent-index

Measured uptime, price and payment evidence for 19,021 agent services. Reliability, not quality.

EXVIV Competitive Intelligence com.exviv/competitive-intelligence

Reviewed competitor pricing, offer comparisons, and market-change evidence with x402 payments.

Read-only MCP servers for Russian marketplaces: prices, stock, ratings, reviews, seller identity

mcp stdio server exposing mossgate trust and rue render apis with x402 usdc payment

mcp xyz.mindjack/mcp

Solana memecoin rug check for trading agents: pump.fun launches, calibrated rug risk, wallets, KOL.

x402 Web Extract io.github.Senpi-Station/x402-web-extract

Pay-per-use web extract, token prices, and wallet balances via x402 USDC micropayments.

SOAR Record Gateway ai.lateos/soar-record-gateway

SOAR security playbooks for AI agents: fetch, full-text search, and count. Metered via Stripe.

FreshBooks invoicing for Claude — invoices, clients, estimates, and payments

CryptoPulse Data API ai.saascloud/cryptopulse

Pay-per-call crypto market intelligence for AI agents. USDC on Base via x402.

Screen the counterparty of an x402 payment before an agent pays it. Runs offline by default.

OwlX AI Agent — Trading Intelligence app.owlx/owlx

AI trading coach for crypto: structure scores, MemeSniper, token & stock financials. Education only.

ForthClear Liquidation Marketplace io.forthclear/liquidation

Search surplus and overstock inventory, request bulk quotes, and check out.

Official central-bank & tax-authority rates from 100+ sources. No API key needed to start.

Kenwea — Sandbox Attestation & Agent Marketplace com.kenwea.www/marketplace

Signed sandbox verdicts on any artifact, plus an agent marketplace. No key, no signup, no payment.

Cryptographically verifiable blockchain data with Merkle proofs + ECDSA signing.