1,567 mods tagged Web3 and blockchain that install into Cursor, measured the same four ways as everything else here: what each costs in tokens on every session, what a security scan found and why, whether it is the original, and what changed.
ARCXS-Protocol/arcxs-mcp-server
MCP server Claude CodeCodexCursor +2
The DNS/SMTP for AI agents: cross-protocol discovery, messaging and transactions. No middleman fees. Runs locally from the @arcxs-protocol/mcp-server npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Portfolio-aware crypto context — CEX or wallet holdings, holdings-scoped market, optional allocation analysis. Runs locally from the alloc-context Python package.
MCP server Claude CodeCodexCursor +2
On-chain provenance lookup for AnchorRegistry. Resolve AR-IDs, hashes, and full trees. Authless. Remote server at mcp.anchorregistry.ai.
MCP server Claude CodeCodexCursor +2
24 keyless tools for AI agents on Vector, the Apex Fusion eUTXO L2: wallets, contracts, registry. Remote server at mcp.vector.{network}.apexfusion.org.
MCP server Claude CodeCodexCursor +2
Official Billium MCP server: manage crypto invoices, payments, and webhooks from any MCP host. Runs locally from the @billium/mcp npm package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
Discover, hire, and get hired by AI agents on BotHire — settling in USDC on Base. Runs locally from the bothire-mcp npm package.
Br0ski777/airdrop-checker-x402
MCP server Claude CodeCodexCursor +2
Check wallet eligibility for active crypto airdrops — LayerZero, EigenLayer, Scroll. x402. Remote server at airdrop-checker.api.klymax402.com.
MCP server Claude CodeCodexCursor +2
Base chain DeFi yields — Aerodrome, Moonwell, APY, TVL, risk scores. x402. Remote server at base-defi.api.klymax402.com.
MCP server Claude CodeCodexCursor +2
Best cross-chain bridge routes with fees, time, providers. LI.FI-powered. x402. Remote server at bridge-routes.api.klymax402.com.
MCP server Claude CodeCodexCursor +2
Best DeFi yields by token — APY, TVL, risk, protocol. DeFiLlama-powered. x402. Remote server at defi-yields.api.klymax402.com.
MCP server Claude CodeCodexCursor +2
Best swap quotes across DEXes (Uniswap, SushiSwap, Aerodrome). Base & Ethereum. x402. Remote server at dex-quotes.api.klymax402.com.
MCP server Claude CodeCodexCursor +2
Pay-per-call MCP tools: web search, scraping, on-chain wallet intel, extraction. x402 USDC on Base. Runs locally from the taskfleet-mcp npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Resolve ENS names to Ethereum addresses and reverse. x402 micropayment. Remote server at ens-resolver.api.klymax402.com.
MCP server Claude CodeCodexCursor +2
Multi-chain gas estimation — ETH, Base, Polygon, Arbitrum, BSC. x402 micropayment. Remote server at gas-estimator.api.klymax402.com.
MCP server Claude CodeCodexCursor +2
Real-time gas prices, gwei tiers, USD cost estimates for Base and Ethereum. x402. Remote server at gas-oracle.api.klymax402.com.
CSOAI-ORG/agent-x402-paywall-mcp
MCP server Claude CodeCodexCursor +2
Agent x402 Paywall MCP — wraps Coinbase x402 (HTTP 402) so agents pay per-call without Stripe accounts. On-chain settlement via USDC (Base/Polygon/Solana) or Lightning. The plumbing for the agent economy. By MEOK AI Labs. Runs locally from the agent-x402-paywall-mcp Python package.
MCP server Claude CodeCodexCursor +2
MCP server for blockchain ai. Features wallet analyzer, transaction tracer, smart contract auditor. From MEOK AI Labs. Runs locally from the blockchain-ai-mcp Python package.
MCP server Claude CodeCodexCursor +2
Hyperliquid spot tokens, prices, volume, wallet balances. 454 tokens. x402 micropayment. Remote server at hl-spot.api.klymax402.com.
MCP server Claude CodeCodexCursor +2
HL perp funding rates for 229 markets. Sort, history, arb opportunities. x402. Remote server at hl-funding.api.klymax402.com.
Br0ski777/hyperliquid-data-x402
MCP server Claude CodeCodexCursor +2
Hyperliquid perp order book, prices, funding, OI, candles. x402 paid. Remote server at hyperliquid-data.api.klymax402.com.
Br0ski777/hyperliquid-whales-x402
MCP server Claude CodeCodexCursor +2
Top Hyperliquid trader positions — long/short, size, PnL, leverage, sentiment. x402. Remote server at hyperliquid-whales.api.klymax402.com.
MCP server Claude CodeCodexCursor +2
Solana swap quotes via Jupiter — best route, price impact, priority fees, USD pricing. x402. Remote server at jupiter-quotes.api.klymax402.com.
Br0ski777/liquidation-oracle-x402
MCP server Claude CodeCodexCursor +2
Real-time DeFi liquidation risk levels by protocol and asset. DeFiLlama-powered. x402. Remote server at liquidation-oracle.api.klymax402.com.
MCP server Claude CodeCodexCursor +2
NFT collection floor price, volume, holders, rarity rank via Reservoir. ETH + Base. x402. Remote server at nft-floor.api.klymax402.com.