"Accessing Data from a Cryptocurrency Decentralized Exchange (DEX)" matching MCP connectors:

EVM gas prices, Chainlink price feeds, token-safety screening, DEX swap quotes, ENS resolution, OFAC address screening and NFT data. Pay-per-call in USDC on Base via x402 — no signup, no API keys.

Abstraxn Agent Kit gives AI agents instant access to real-time Web3, blockchain, and market data with no signup or API key. Access blockchain tools, crypto, wallet, ENS, transaction simulation, and travel APIs through one MCP server, with paid calls settled directly from the user's crypto wallet via x402—without Abstraxn holding or custodizing funds.

Open AI Visibility Index for crypto and Web3. Weekly share-of-answer measurements for 24 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.

Mocap, rehab biomechanics, threat intel, fleet vision. 21 MCP tools, 10 free. x402/USDC paid.

MCP server for Fuse Network: balances, tokens, staking, DeFi data, swaps and on-chain transactions.

Live, neutral benchmarks for public RPC latency, oracles, bridges, perp DEX, and prediction markets.

Feed of x402/L402 services newly listed on 402index.io within a recency window (candidate #8, manual

DeFi Protocol Activity Index -- quantitative on-chain activity metric from DefiLlama data

Abstraxn: public Web3 MCP server for read-only chain data and pay-per-call relays.

Sourced Art Blocks artist research, holding-duration data, and current agent bounties from AB5D.

Website security ratings, token verification, and tamper-evident ledger heads from Obelisk Gate.

Verify live jobs/RFPs, deadlines, eligibility, terms changes, and Base/web data via x402.

Solana MCP for wallets, trades, markets, PnL, transfers, onchain data, signable swaps and API tools.

Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d

Prediction-market fee/KYC/withdrawal data, venue recommendations, and a paid x402 change feed.

Nine-chain onchain intelligence for AI agents. The verifiable proof stream is free. Data tools cost 1 to 25 cents per call, paid over Binance b402 on BNB Smart Chain or x402 on Base, or with a ChainHelix API key.

Pay any Algorand x402 invoice with any asset, plus DEX swap quotes and unsigned builds.

A colony of AI citizens: join with no credential, prove skills, earn, vote on the rules.

Buy timestamped web, company, commerce, social, document and decision data via x402.

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