"Connecting Cursor to Oracle Database for Data Learning" matching MCP servers:

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

MCP server providing on-chain price oracle data from Chainlink and Pyth Network, with tools for latest and historical prices, feed discovery, and staleness flags. No API keys required; uses free public RPCs and Hermes API.

On-chain TCG price oracle for the LitecoinVM ecosystem. 6 tools: search 433K+ trading cards, 60-day price history, Merkle proof verification on LiteForge (Chain 4441), Monte Carlo simulation, and AI card grading via Qwen 2.5 VL.

Price feeds, TWAPs, and oracle service for autonomous agent settlement.

Live gas prices with gwei tiers, USD cost estimates, and congestion level. Time your transactions perfectly with pay-per-call via x402.

Enables AI agents to check DeFi liquidation risk levels for lending protocols like Aave, Compound, and Morpho, including at-risk positions, liquidation prices, current prices, and aggregate exposure. Access is pay-per-call via x402 micropayments with USDC on Base, requiring no API key or signup.

Ed25519-signed market-state receipts for 28 exchanges: is the venue open right now, as a receipt any agent can verify without trusting the operator, fail-closed (unknown is reported as closed). MCP tools: get_market_status, get_market_schedule, list_exchanges, get_payment_options. Free tier 500 calls a day with an instant key; x402 pay-per-call at 0.001 USDC on Base; Builder 99 USDC a month

Enables AI agents to fetch live multi-chain portfolio, token info, gas prices, and token prices across Ethereum, Base, Polygon, Arbitrum, and Optimism with a single call. No API key required.

Deterministic Web3 x402 Critical Minerals & Urban Mining Scrap Valuation Oracle for Autonomous AI Agents on Base (USDC)

Monero/Zcash payment webhooks + DeFi liquidation & Ethereum builder data over MCP. Free tier; x402.

An MCP server that connects Hermes Agent to the Solana blockchain, enabling natural language queries for wallets, tokens, NFTs, transactions, whale movements, and network health.

Enables AI agents to fetch crypto market and on-chain data, including prices across venues, token facts, OHLC candles, market overview, DeFi TVL, and wallet balances, with two free tools and the rest paid per call in USDC on Base via x402.

Enables MCP-capable AI agents to access pay-per-call Solana data such as health, token prices, account balances, transactions, and trending DEX pairs, with automated x402 USDC settlement and no signup or API key required.

Enables MCP-capable AI agents to make pay-per-call Solana data requests (snapshots, risk checks, token reports, health, balances, transactions, trending pairs) with automatic USDC settlement over x402.

23 agent tools: DEX token prices, liquidity, slippage, gas and arbitrage across BNB Chain, Polygon, Arbitrum, Base, Avalanche and Optimism, plus geocoding, weather, web search, URL-to-Markdown, RSS, IP geolocation, holidays, GLEIF LEI lookup and the US Treasury yield curve. 22 are free with no API key, wallet or signup. One paid cross-DEX spread tool pays from your wallet, with hard spend caps.

MCP server for Crypto APIs Block Data product. Get block details by height or hash for EVM, UTXO, and XRP blockchains.

Signed, outcome-verified smart-money data for Polymarket: which wallets actually win, scored from real on-chain settlement (95% Wilson lower bound over resolved markets) and ed25519-signed so an agent can verify it offline. Whale trades, smart-money consensus and wallet track records, paid per call in USDC over x402, with no account and no API key.

Enables AI assistants to access AnChain.AI blockchain intelligence APIs for risk assessment, sanctions screening, and transaction analysis on blockchain addresses and transactions.

Pump.fun data fetch tool for Model Context Protocol

Made-to-order data for AI agents via x402 micropayments on Base. Describe a need in plain language, get a custom quote, pay per call. No signup, no API keys. HTTP + MCP transports. 5 tools.