1,334 tagged Web3 and blockchain, measured the same way as everything else here.
Browse within: mcp-server 189model-context-protocol 188defi 132blockchain 128crypto 110base 90x402 69ethereum 55bitcoin 36LLM 35cryptocurrency 35cursor 31solana 31agent-commerce 29
MCP server Claude CodeCodexCursor +2
Governed USDC wallet for AI agents — policy gates, spending caps, and Ed25519-signed receipts. Runs locally from the dingdawg-agent-wallet npm package.
dlrjsdl200-byte/mgo-mcp-server
MCP server Claude CodeCodexCursor +2
Find the cheapest EVM chain across up to 9 networks with savings %. Pay-per-call via x402 on Base. Runs locally from the chain-ops-mgo npm package.
MCP server Claude CodeCodexCursor +2
Trustless XRPL escrow oracle for AI agents. Create jobs, verify work, release XRP/RLUSD payments. Runs locally from the @eamwhite1/agenttrust-sdk npm package.
MCP server Claude CodeCodexCursor +2
Trust and payment layer for the agentic economy on the XRP Ledger. Remote server at xrpl-referee.onrender.com.
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.
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.
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.
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.
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.
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.
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.
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.
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.
MCP server Claude CodeCodexCursor +2
Pay-per-use semantic memory for AI agents. SHA256 commitment, Ed25519 sig, Lightning. Remote server at memory.rgiskard.xyz.
MCP server Claude CodeCodexCursor +2
On-chain watches, web-page monitors, dead-man switches, cron, and agent coordination, paid via x402. Runs locally from the datasieve-mcp npm package. Needs 2 environment variables to run.
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.
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.
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/hoodly-gmgn-robinhood-mcp
MCP server Claude CodeCodexCursor +2
Read-only MCP server for Robinhood Chain token discovery, research, and due diligence via GMGN. Remote server at gmgn.hoodly.io.
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.
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.