"Improving the Intelligence of Large Language Models" 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.

Korean crypto market data API for AI agents. Real-time Kimchi Premium (Upbit vs Binance), Korean exchange prices, USD/KRW FX rate. First verified Korean market data MCP server. Pay-per-use via x402 on Base.

Enables agents to assess counterparty risk, token danger, and wallet creditworthiness on Base by analyzing contract powers and controlling wallet reputation.

MCP server providing 12 computed intelligence tools for Binance, including accumulation detection, whale tracking, market impact simulation, and more, using public endpoints with no API keys needed.

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.

Methodology-transparent BTC + ETH whale forensics. 30 tools, anonymous OAuth 2.1 Free tier.

AI consensus market oracle for crypto traders and autonomous agents. BUY/SELL/HOLD signals with 11-signal consensus (RSI, MACD, funding rate, Fear & Greed, congressional trading, Polymarket edges). Ed25519-signed. x402 micropayments on Base.

Complete DeFi intelligence — Yield, Staking, Restaking, RWA, Perps, Gas Optimization & Contract Security. One answer, not raw data.

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.

The Ultimate Cryptocurrency MCP for AI Assistants - Unified access to crypto, DeFi, and Web3 analytics | MCP Endpoint.

Enables AI agents to call 93 pay-per-call machine-to-machine services spanning web scraping, crypto sentiment, market data, on-chain analytics, social and threat intelligence, vulnerability scanning, and micro-SaaS utilities. Payments are settled in USDC on Arbitrum via the x402 protocol using a wallet header, so no API keys, signups, or billing setup are required.

Multi-endpoint Web3 intelligence service for token risk scanning, pre-trade checks, and signal snapshots, using DexScreener data with x402 payment support.

Live liquidity-pool scores for Solana + EVM: Enter/Hold/Exit verdicts and a composite 0-100 Wealthville Score, backed by a public, immutable track record that includes misses. Read-only, free, no key required. Data product, not financial advice.

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.

MCP server for Autonomous Intelligence, enabling AI agents to perform non-custodial, rug-gated multi-chain token swaps including safety checks, quotes, and execution.

Pay-per-call MCP server for EVM MEV history, offering sandwich check, MEV exposure score, and pool density analysis on multiple chains with USDC payment on Base.

Enables AI agents to access real-time crypto market data, volatility alerts, sentiment analysis, risk scores, and market reports through micropayment-gated MCP tools with on-chain settlement.