"Understanding the term 'flux' or its various applications" matching MCP connectors:

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.

Live exit costs by venue, depth concentration, and a sealed calls record that keeps its misses.

Identity infrastructure for the AI economy. Confirms if someone is known; returns inferred traits.

Pre-transaction token risk checks for autonomous agents. Read-only; never signs or moves funds. Paid per call in USDC via x402. Supporting Base, Solana, Ethereum, Arbitrum, BSC and HyperEVM

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.

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.

Pay-per-call agent tools via x402 (USDC on Base): chat, prices, funding, RNG. No account or keys.

Check a Base contract, transaction or web page before you act. Free pricing, paid per call in USDC.

Screen an Ethereum address or ENS name for on-chain reputation risk, sanctions, and reasoning.

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

AI-agent verifier: verdict committed before the outcome graded against it; /review, /ledger.

Rent verified subdomains by the hour, day, or month. Free 24h trials, x402 USDC on Base.

Read-only MCP for Rialto quotes and swap preflight on Robinhood Chain. No signing or broadcast.

Find the cheapest EVM chain across up to 9 networks with savings %. Pay-per-call via x402 on Base.

The only x402 MCP server for Robinhood Chain (chainId 4663) - 147 onchain, trading & AI tools.

Read-only MCP server: verify credentials and browse escrows on the Stellar testnet contract.

Real-time risk-weighted USDC lending APY across Aave, Compound, Morpho, Moonwell, Euler and Fluid on Base. Every reading tagged with its data source (onchain/api/defillama). Pay-per-call via x402, $0.01 USDC, 3 free calls/day.

Pay-per-query x402 business intelligence on Base, settled in USDC via the native 402 payment flow.