"Assistance with Java development" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Smart-contract and B20 token screening on Base. Free on-chain check (verified source, proxy, admin selectors, holder concentration), paid Flash Audit over x402 (3.49 USDC) returning a report with an anchored SHA-256. No API key: payment is the only gate, handled inside the tool via x402/payment metadata.
Non-custodial Hyperliquid perpetual-futures trading for Claude, Cursor and any MCP client: live market data, orderbook, candles, account state and — once the user arms it — order execution with on-chain leverage on the user's own wallet. No withdraw tool, server-enforced caps.
Three independent sensors read pre-price Bitcoin flows every 30s and reject almost everything. When they converge, a call is emitted with evidence — and the public rejection funnel proves how often it stays silent. Auditable in one call. Free tier; Pro 50 USD/month or 0.01 USD/query via x402.
IMBA spend MCP: USDT TRC-20 deposit and catalog buy with your key. No withdraw.
25 deterministic data, repository, API, and public-web utilities with Base-USDC x402 pay-per-call settlement.
Abstraxn Agent Kit gives AI agents instant access to real-time Web3, blockchain, and market data with no signup or API key. Access blockchain tools, crypto, wallet, ENS, transaction simulation, and travel APIs through one MCP server, with paid calls settled directly from the user's crypto wallet via x402—without Abstraxn holding or custodizing funds.
Live multi-asset market data for AI agents with provenance, starter credits, x402, and examples.
Emercoin swap exposes a keyless MCP exchanger at https://swap.emercoin.com/mcp (Streamable HTTP) so an AI agent holding USDT can buy EMC programmatically — no API key, no account, no callback. Tools: get_swap_config, buy_emc, get_order_status, cancel_order. Call buy_emc with an amount and your EMC address, pay the exact returned figure to the deposit address, then poll by token until delivered. Part of the broader effort to use Emercoin as an identity + memory layer for AI agents.
Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.
Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.
Read-only XRP Ledger MCP tools with proof-annotation envelopes and signed daily snapshots.
Evidence-backed crypto due diligence with sources, freshness, and a runtime receipt on every call.
Authorize x402 payments before signing with request-bound, signed safety decisions.
Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.
PIX payments for Brazil: verify a settlement with no API key, or sell USDT/USDC for BRL over PIX.
Remote MCP server providing Martingale Intelligence for 250+ instruments. Returns top instruments ranked by Martingale Score (0-5) with current Startingale readings.
Swop.id profiles, wallet addresses, and live prediction markets with real-time prices.
Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.
Paid trader skills MCP. Coil scanner with dated 252d forward-return evidence. x402 USDC.
Build, backtest, and deploy crypto trading strategies via MCP with 7-stage validation.
