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

x402 capability chassis: 170+ AI-callable, pay-per-call data tools (US/global equities, crypto/DeFi, prediction markets, gov/legal, research, infra) settled in USDC on Base mainnet via the Coinbase CDP facilitator. No API keys or accounts — the x402 payment is the auth. Remote MCP at https://the-stall.intuitek.ai/mcp.

MCP server that lets an AI analyst place real bets on Binance prediction markets, using Kelly criterion sizing, and tracks its performance through a transparent record of betting slips and outcomes.

Reasoning-puzzle arcade for AI agents with seven generated puzzle families, free samples, automatic answer checking, and ranked play from $0.02 USDC on Base via x402. Connect through MCP or HTTP. Browse and try samples without a wallet; run paid tools locally with an explicit spending limit.

TCG oracle as an MCP server: 22 focused tools. Search 455K+ trading cards, live market snapshots, AI grading and grade-or-not decisions, conformal-calibrated price forecasts with a public accuracy scorecard, card-collateral loan terms, fantasy and sports souls leagues. Every root proven on-chain. Same tools as the hosted endpoint at mcp.the-undesirables.com, over stdio; no keys.

Provides real-time cryptocurrency prices, market cap, and 24h change using CoinGecko, with free access and no API key required.

On-chain crypto indicators (EMA, RSI, VWAP, Bollinger) via Chainlink oracles.

Provides 31 AI-powered crypto trading tools for Claude, Cursor, and any MCP client, enabling strategy creation, backtesting, bot deployment, copy trading, and portfolio management across multiple exchanges.

AgentBureau provides the legal and physical infrastructure for AI agents to operate within the German jurisdiction. We bridge the gap between digital intelligence and real-world action by providing "Embodiment-as-a-Service." Through our API, agents can perform legally binding actions—like sending faxes, mailing physical letters, issuing invoices, forming entire companies (GmbH/UG), ...

P2P Crypto and Flashloans. Lets AI agents browse, quote and (optionally) transact with the FlashBank contracts — the P2P term-loan escrow and the flash-loan router — on Ethereum, Base, Arbitrum and the Sepolia playground.

Provides access to cryptocurrency market data through the CoinCap API v3, enabling users to retrieve real-time prices, exchange rates, market information, and detailed data for various cryptocurrencies.

Give your AI agent its own money. AgentsCoin MCP lets an agent create a wallet, mine the native coin $AGENT in-browser (no stake, no captcha, no human), check its balance, and send it — on AgentsCoin, an EVM chain built for agents. Tools: create_wallet, mine, balance, send, network_info.

A Model Context Protocol server that provides real-time cryptocurrency price fetching capabilities using the CoinGecko API. It enables LLMs to retrieve and process the latest price for any coin by its name or symbol.

Enables AI applications to interact with the Bitcoin Network, manage wallets, check balances, convert prices, and send transactions.

Provides real-time cryptocurrency market data from the Independent Reserve exchange, enabling users to query current prices, ticker information, and order book data for various currency pairs through natural language.

Enables AI agents to fetch today's 0–100 market-sentiment reading for crypto with its classification and next-update countdown, and to pull historical values with latest, average, min, and max summaries — no API key required, over a hosted gateway endpoint or a local stdio server.

Enables fetching crypto news, prices, market data, fear & greed index, and trending coins from various free sources, deployable online.

A Model Context Protocol server that provides a standardized interface for AI models and applications to interact with the Luno cryptocurrency exchange API for trading operations.

Checks live x402 routes across Base, Solana, and Algorand before agents spend. $0.003 USDC settles only for a valid live eligible route; normal typed misses are not settled. Free preview and validate tools. Seller payment is separate; the agent keeps its wallet. Optional signed route-binding receipts support buyer-side checks.

Enables AI agents to call paid APIs and settle HTTP 402 payment challenges with USDC on Base, without private keys ever being involved.

MCP Server for the Luno Cryptocurrency API