Web3 and blockchain for Cursor

eamwhite1/xrpl-referee

MCP server Claude CodeCodexCursor +2

Trust and payment layer for the agentic economy on the XRP Ledger. Remote server at xrpl-referee.onrender.com.

elisymlabs/elisym-mcp

MCP server Claude CodeCodexCursor +2

AI agent discovery, marketplace, messaging, and payments on Nostr — no platform, no middleman. Runs locally from the @elisym/elisym-mcp npm package. Needs 5 environment variables to run.

errick0x/hyde-mcp

MCP server Claude CodeCodexCursor +2

Discover and trade tokenize-anything coins on hyde.trade (Robinhood Chain). Non-custodial. Runs locally from the hyde-mcp npm package. Needs 1 environment variable to run.

feedoracle/-feedoracle-mcp-risk

MCP server Claude CodeCodexCursor +2

7-signal stablecoin risk scoring. 13 tools, 28+ tokens, SAFE/CAUTION/AVOID verdicts. Remote server at feedoracle.io.

fernsugi/x402-api-mcp-server

MCP server Claude CodeCodexCursor +2

DeFi data API for AI agents — pay-per-call via x402/USDC on Base. Runs locally from the @x402-api/mcp-server npm package. Needs 1 environment variable to run.

fino-oss/contract-scanner-mcp

MCP server Claude CodeCodexCursor +2

Scans Base L2 smart contracts for security risks. Risk score 0-100, detects backdoors & proxies. Runs locally from the @fino314-oss/contract-scanner-mcp npm package. Needs 1 environment variable to run.

FlatDefi/flatcash-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server for flat.cash — give your AI agent a treasury. Buy, hold, and transfer CPI-pegged FLAT with no wallet, no gas, no KYC. Runs locally from the @flatcash/mcp-server npm package. Needs 1 environment variable to run.

forgemeshlabs/x402-notary-mcp

MCP server Claude CodeCodexCursor +2

Cryptographic receipts for AI outputs on Base or Solana via x402. Runs locally from the @forgemeshlabs/x402-notary-mcp npm package. Needs 4 environment variables to run.

forgemeshlabs/x402-ads-mcp

MCP server Claude CodeCodexCursor +2

Install one middleware. Monetize unused 402 responses with recommendations, discovery, and machine commerce analytics. MCP server: 7 tools for agent demand analytics, paid per call in USDC on Base; free for publishers on their own traffic. Runs locally from the @forgemeshlabs/x402-ads-mcp npm package. Needs 4…

friendlygeorge/coingecko-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server for CoinGecko cryptocurrency data API. Runs locally from the @supernova123/coingecko-mcp-server npm package.

friendlygeorge/etherscan-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server for Etherscan — Ethereum blockchain explorer API for AI assistants. Runs locally from the etherscan-mcp-server npm package.

geoacpfilho/paygate-mcp

MCP server Claude CodeCodexCursor +2

Monetize any MCP server: x402 paywall, pay-per-call billing in USDC on Base, agent marketplace. Remote server at paygate-mcp.rendercriativo.workers.dev.

gigsoul/x402

MCP server Claude CodeCodexCursor +2

AI API for marketing, content and outreach. 22 endpoints. Pay with USDC on Base via x402. Remote server at gig-x402-api.jayson-be1.workers.dev.

giskard09/giskard-memory

MCP server Claude CodeCodexCursor +2

Pay-per-use semantic memory for AI agents. SHA256 commitment, Ed25519 sig, Lightning. Remote server at memory.rgiskard.xyz.

gofrantic/frantic-mcp

MCP server Claude CodeCodexCursor +2

A public bounty board where AI agents do paid work. USDC on Base, paid on accepted delivery. Runs locally from the frantic-mcp npm package.

guptaprakhariitr/crypto-prices-mcp

MCP server Claude CodeCodexCursor +2

Live and historical cryptocurrency prices via CoinGecko free API. Remote server at crypto-prices-mcp.atlasword.workers.dev.

halfkey/obol

MCP server Claude CodeCodexCursor +2

Solana agent gateway via x402. Wallet, token, DeFi, and swap tools. Pay per request. Runs locally from the obol-mcp npm package. Needs 1 environment variable to run.

halowerk/halowerk-mcp

MCP server Claude CodeCodexCursor +2

134 paid APIs as MCP tools, billed per call in USDC on Base. No account, no login. Runs locally from the halowerk-mcp npm package. Needs 5 environment variables to run.

hoodly-agent/mcp-pons

MCP server Claude CodeCodexCursor +2

Dual-version MCP for pons token launches on Robinhood Chain: v1 trading, v2 curve reads (plan-only). Remote server at mcp-pons.hoodly.ai.

hpp-io/x402-mcp-bridge

MCP server Claude CodeCodexCursor +2

MCP stdio bridge that lets Claude Desktop / OpenClaw / other MCP hosts make x402 payments on HPP — autoTopup from a Safe via AllowanceModule, signs EIP-3009 with a delegate EOA. Runs locally from the @hpp-io/x402-mcp-bridge npm package. Needs 8 environment variables to run.

hristovdimitri2-hub/kristo-travel-api

MCP server Claude CodeCodexCursor +2

Pay-per-call DeFi intelligence API for AI agents on Base blockchain with x402 micropayments. Remote server at kristo-intelligence.vercel.app.

iinniitt/defi-guard-mcp

MCP server Claude CodeCodexCursor +2

DeFi safety checks on Base before you sign: honeypot, owner-power scan, approval risk, Aave health. Runs locally from the @iniit/defi-guard-mcp npm package. Needs 1 environment variable to run.

inflectiv/inflectiv-mcp-server

MCP server Claude CodeCodexCursor +2

Search, build and manage Inflectiv datasets and AI agents, plus ChainAware on-chain intelligence. Runs locally from the @inflectiv-ai/inflectiv-mcp npm package. Needs 3 environment variables to run.

iworkist/btcmcp

MCP server Claude CodeCodexCursor +2

An MCP server that provides Bitcoin price data from Binance API. Runs locally from the btcmcp Python package.