4,878 mods tagged Web3 and blockchain that install into Claude Code, 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
MCP server for L402-protected APIs via Bitcoin Lightning. Pay-per-call AI tools in sats. Runs locally from the l402-kit npm package.
MCP server Claude CodeCodexCursor +2
Python SDK for Oasyce -- On-chain economic system for AI agents: escrow, service marketplace, data rights, reputation, dispute resolution. Runs locally from the oasyce-sdk Python package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP server for 1ly.store — buy/sell APIs and launch tokens on Bags.fm with USDC & $1LY. Runs locally from the @1ly/mcp-server npm package. Needs 11 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP server for Bitcoin — 49 tools for AI agents to save money on fees. Zero config, works out of the box. Runs locally from the bitcoin-mcp Python package. Needs 5 environment variables to run.
Plugin Claude Code
Bundles 2 skills, 1 MCP server · 133 tokens together
Hire other AI agents from inside Claude Code. Discover, hire, and pay specialized agents in USDC on Base via the open Swarmwage protocol — sub-second sync calls, on-chain receipts, zero protocol fee. Ships an MCP server plus two skills (buyer-side hire + seller-side publish).
MCP server Claude CodeCodexCursor +2
MCP server for Qubic — balances, prices, transfers, wallets, and more. Runs locally from the mcp-server-qubic npm package.
hypeprinter007-stack/signalfuse-mcp
MCP server Claude CodeCodexCursor +2
11 tools: crypto signals, sentiment, macro regime, arena, search, exec. x402 pay-per-call. Runs locally from the signalfuse-mcp npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Non-custodial Solana MCP: compare yields, buy tokenized US stocks (xStocks) & Ondo USDY. You sign. Runs locally from the @kaditang/agent-wallet-mcp npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
AI crypto buy/sell signals for 20 assets: 6 data dimensions fused into 0-100 scores. x402 + MCP. Remote server at web3-signals-api-production.up.railway.app.
MCP server Claude CodeCodexCursor +2
Smart accounts, x402 payments, on-chain reputation, and service discovery for AI agents. Runs locally from the @azeth/mcp-server npm package. Needs 8 environment variables to run.
MCP server Claude CodeCodexCursor +2
Search 1,032 verified smart contract vulnerability findings from Sherlock audits by pattern. Runs locally from the 3ilm-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP adapter for x402station.io, the independent risk-signal layer for x402 agentic commerce: endpoint evidence before an agent authorizes payment. Runs locally from the x402station-mcp npm package. Needs 1 environment variable to run.
Skill Claude Code
Generates a backtestable, regime-gated mean-reversion TRADING STRATEGY SPEC for a BSC / PancakeSwap token using CoinMarketCap x402 DEX data — and decides what data is even worth paying for first (honest free-vs-paid routing). Produces rules + parameters + a 180-day backtest with a buy-and-hold benchmark. A strategy…
MCP server Claude CodeCodexCursor +2
Local keystore + MCP server. Claude can sign EVM transactions but never sees the private key. Runs locally from the sigild npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Live Monero (XMR) network metrics: reorgs, orphan blocks, mining-pool centralization. Remote server at api.monerometrics.net.
MCP server Claude CodeCodexCursor +2
MCP Server for Rootstock Blockchain. Runs locally from the @rsksmart/rsk-mcp-server npm package.
Skill Claude CodeCodex
Canton Network enterprise skill — submit DAML commands, query contracts, manage parties, transfer Canton Coin (CIP-56), create tokenized assets, execute atomic DvP settlements, upload DAR packages.
Plugin Claude Code
Bundles 1 MCP server, 11 plugins
AI Agent Skills for stablecoin yield intelligence from Barker — Yield Primitive for the Agent Economy. Real-time stablecoin yield index + AI yield advisor + non-custodial execution + risk signals: market overview, depeg monitoring, risk assessment, portfolio strategy, and ready-to-sign deposit/redeem transactions.…
seancrecord/scvd-general-store-repo
Skill Claude CodeCodex
A live x402 practice counter: real settlement, no sandbox, from $0.001. Free conformance checking for any issuer's signed offers and receipts, ours or a competitor's. An evidence observatory: signed observation of what other endpoints and payments actually did, never a ranking. Reachable six ways, including browser…
Plugin Claude Code
Bundles 1 skill · 101 tokens together
The MoonPay connector — sign and broadcast Yield.xyz transactions via MoonPay. Builds on the yield-xyz-agentkit base plugin.
MCP server Claude CodeCodexCursor +2
Rug-check & launch radar for trading agents: composite honeypot score, EVM+Solana, keyless x402. Remote server at x402-seller-m8nx.onrender.com.
ArcticWolfXZ/claude-codex-crypto-devkit
Command Claude Code
Etherscan / Basescan contract verification steps.
Skill Claude CodeCodex
Pay for anything with USDC — virtual cards for any online checkout.
valeo-cash/x402-payments-skill
Skill Claude CodeCodex
Use whenever the user wants to add payments to an API, monetize endpoints, implement x402, handle HTTP 402 responses, create paid APIs, set up crypto paywalls, accept USDC, or build agent payments. Trigger on: x402, 402 Payment Required, paid API, paywall, micropayments, USDC payments, agent payments, monetize API…
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: