1,332 mods tagged Web3 and blockchain that install into OpenCode, 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.
MCP server Claude CodeCodexCursor +2
A guarded wallet for AI agents on Robinhood Chain: a spending policy runs before every signature. Runs locally from the @moneolabs/mcp npm package. Needs 4 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP server for the MyAi decentralized AI inference network. Runs locally from the myai-mcp Python package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Verifiable entropy, provably-fair games, and receipt verification for AI agents (FairSeal API). Runs locally from the @fairseal/mcp-server npm package. Needs 2 environment variables to run.
nexus-mcp-infra/erc8004-agent-liveness
MCP server Claude CodeCodexCursor +2
Checks whether an ERC-8004-registered agent is actually alive right now via a real MCP handshake. Remote server at erc8004-agent-liveness-325572559480.us-central1.run.app.
nexus-mcp-infra/new-x402-listings-feed
MCP server Claude CodeCodexCursor +2
Feed of x402/L402 services newly listed on 402index.io within a recency window (candidate #8, manual. Remote server at new-x402-listings-feed-325572559480.us-central1.run.app.
nexus-mcp-infra/x402-receipt-verifier
MCP server Claude CodeCodexCursor +2
Audits NEXUS's own x402 payment logs against its own delivery logs and issues a signed proof-of-deli. Remote server at x402-receipt-verifier-325572559480.us-central1.run.app.
MCP server Claude CodeCodexCursor +2
MCP server for Ledger — a double-entry bookkeeping API that natively accepts crypto micropayments. Zero signup: pays per call via x402 ($0.002/read, $0.01/write, USDC on Base). Balanced journal entries, trial balance, general ledger. Runs locally from the ledger-mcp Python package. Needs 2 environment variables to run.
okwithit9-debug/permitverdict-mcp
MCP server Claude CodeCodexCursor +2
Crypto price-event settlement verdicts and US building-permit data, paid per call in USDC. Runs locally from the permitverdict-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server for Pay. x402 payment stack for AI agents -- direct payments, metered tabs, HTTP 402 paywalls. USDC on Base. Works with Claude Desktop, Cursor, VS Code. Runs locally from the @pay-skill/mcp npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Keyless MCP bridge to Scry Solana wallet intel: free coverage check, catalog, x402 paid endpoints. Runs locally from the scry-mcp npm package.
MCP server Claude CodeCodexCursor +2
Alchemy (Ethereum + L2) MCP. Remote server at gateway.pipeworx.io.
MCP server Claude CodeCodexCursor +2
MCP server "bitfinex", hosted remotely at gateway.pipeworx.io, as configured in pipeworx-io/mcp-bitfinex.
MCP server Claude CodeCodexCursor +2
Bitstamp keyless public market: ticker, orderbook, transactions, OHLC, trading pairs. Remote server at gateway.pipeworx.io.
MCP server Claude CodeCodexCursor +2
Blockchair multi-chain block explorer (BTC, ETH, LTC, DOGE, XMR, +12 more). Remote server at gateway.pipeworx.io.
MCP server Claude CodeCodexCursor +2
Blockscout MCP — multi-chain block-explorer aggregate. Remote server at gateway.pipeworx.io.
pipeworx-io/mcp-blockstream-info
MCP server Claude CodeCodexCursor +2
Blockstream Esplora Bitcoin block explorer (mainnet + testnet). Remote server at gateway.pipeworx.io.
MCP server Claude CodeCodexCursor +2
Chainlist MCP — registry of EVM chains. Remote server at gateway.pipeworx.io.
pipeworx-io/mcp-coinbase-exchange
MCP server Claude CodeCodexCursor +2
Coinbase Exchange public MCP. Remote server at gateway.pipeworx.io.
MCP server Claude CodeCodexCursor +2
CoinGecko MCP — wraps CoinGecko free API (no auth required). Remote server at gateway.pipeworx.io.
MCP server Claude CodeCodexCursor +2
Crypto MCP — cryptocurrency prices and currency conversion. Remote server at gateway.pipeworx.io.
MCP server Claude CodeCodexCursor +2
CryptoCompare prices, OHLC history, social stats, news, exchanges. Remote server at gateway.pipeworx.io.
MCP server Claude CodeCodexCursor +2
Coinpaprika MCP — alternative crypto data source. Remote server at gateway.pipeworx.io.
MCP server Claude CodeCodexCursor +2
DefiLlama MCP — DeFi analytics from DefiLlama (free, no auth). Remote server at gateway.pipeworx.io.
MCP server Claude CodeCodexCursor +2
Gemini Exchange keyless public market: symbols, ticker, candles, book, trades, price feed. Remote server at gateway.pipeworx.io.