MCP Server Directory

Holdings com.getholdings/mcp

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

mcp xyz.mindjack/mcp

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

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.

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

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

chasa io.github.docracy1/chasa

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

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

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.

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.

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

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

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

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.

OwlX AI Agent — Trading Intelligence app.owlx/owlx

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

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.

CryptoPulse Data API ai.saascloud/cryptopulse

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

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

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

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

Cryptographically verifiable blockchain data with Merkle proofs + ECDSA signing.

ThesisCheck io.github.janishiestand/thesischeck

Verify stock theses against public filings with a source-backed evidence ledger.

cryptotaxedge io.github.sturs49/cryptotaxedge

US tax classification for on-chain transactions: category, treatment, confidence, review flags.