"Software or tools developed using Java" matching MCP connectors:

Route crypto data needs through PubFi capability and gateway tools.

44 crypto tools: exclusive liquidation tape, squeeze scores, funding, Solana, DeFi. x402 USDC.

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.

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

Authenticated hosted Streamable HTTP MCP server for crypto data routing through PubFi capability and gateway tools.

Buy game keys, gift cards, and subscriptions via x402 USDC on Base. 8 MCP tools, no install.

AI-native stablecoin settlement rail replacing SWIFT for institutional cross-border payments. 14 tools covering settlement quotes, execution, ESG scoring, oracle status, fee verification, competitor comparison, rail health, investment context, and MPP-gated macro intelligence. Settles via Base mainnet USDC at ~1.385% all-in.

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.

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.

Per-transaction crypto trade validator for AI agents. Returns deterministic PROCEED / CAUTION / BLOCK verdicts using WaveGuard anomaly detection, history checks, and rug-pull risk analysis.

Quant tools + an NFL fantasy draft assistant for AI agents — Kalshi & Polymarket EV, edge, ADP.

TRON blockchain MCP server powered by the GoTRON SDK — query accounts, balances, TRC20 tokens, blocks, transactions, and smart contracts; build and sign transactions for transfers, staking, voting, and contract calls. Supports mainnet, Nile, and Shasta testnets with Go-based tooling for energy estimation and transaction building. Available via stdio or hosted Streamable HTTP

Read-only DERO blockchain MCP: 32 tools (11 composites) incl. TELA discovery + bundled docs.

Pay-per-call AI tools over x402: web research, summarization, structured extraction (USDC, Base).

On-chain honeypot/rug scanner, market data, and launch tools for Robinhood Chain (EVM 4663).

People + life-in-days knowledge for AI agents. Public MCP; x402 on Base; OAuth for private tools.

39-endpoint crypto trading intelligence MCP for AI agents. Streamable HTTP over x402 pay-per-use (Base USDC). Catalog tools + agent-strategy console.

Pay-per-call web & EU business intelligence for AI agents (x402 USDC on Base). 11 tools.

L402 MCP: 5 paid BTC/Lightning tools + fiat credits, 10-25 sats/call.

Deterministic market-state engine for trading agents — zero LLM in the signal path. 8 tools: structural market state & phase, action gate (GO/WATCH/HOLD) as a transition posture, entry/target/invalidation coordinates, bar-by-bar state timeline, composed view cards, and pre-trade intent validation. Every output traces to a bar-stamped ledger with a public daily self-scoring track record (misses included). Crypto + TradFi synthetics (gold, oil, S&P 500, Tesla, NVIDIA, KOSPI 200).