Web3 and blockchain for Claude Code

4,884 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.

Also for Claude Code: anthropic · Git and workflow · Python · React · TypeScript · docker · Go · Rust · Localization · nextjs · bun · PostgreSQL

mcp-server

553

the402ai/mcp-server

MCP server Claude CodeCodexCursor +2

AI agent service marketplace — browse, purchase, and manage services via x402/USDC. Runs locally from the @the402/mcp-server npm package.

not rated 2 5mo ago A tokens not measured original MIT

Cybercentry/verification-mcp

Skill Claude CodeCodex

Verify wallets, tokens, smart contracts, AI agents and web applications before trusting them, paying per call in USDC over x402.

not rated 2 20d ago A 33 tokens original MIT

monad-mcp

555

pareen/monad-mcp

MCP server Claude CodeCodexCursor +2

Monad blockchain gateway for AI agents: balances, transfers, swaps, DeFi, with Privy signing. Runs locally from the monad-mcp npm package. Needs 3 environment variables to run.

not rated 2 2mo ago A tokens not measured original MIT

bridgenode

556

bridgenode-ai/bridgenode-skill

Skill Claude CodeCodex

BridgeNode — x402 pay-per-request AI inference. OpenAI-compatible API + MCP server, Solana USDC, gas-free micropayments. No API keys. Free models included. Live prices: bridgenode.cc/v1/models. Use when an agent lacks a provider API key or wants privacy-preserving per-request AI inference pricing.

not rated 2 changed yesterday A 0 tokens MIT-0

SELAT-AI/selat-openclaw-skills

Skill Claude CodeCodex needs its repo

SELAT's capability layer for agents on a MetaMask Agent Wallet — tool use beyond the agent's native abilities, paid per call. Strongest for trading decision support on perpetuals and tokenized stocks ("what are funding rates saying", "pull Polymarket candles", "quote and technicals for this tokenized equity's…

not rated 2 29d ago A 225 tokens original MIT

coinmarketcap

559

Vo1ganin/crypto-claude-skills

Skill Claude CodeCodex

Expert assistant for CoinMarketCap Pro API — price quotes, listings, historical OHLCV, market metrics, Fear & Greed Index, CMC100/CMC20 indices, exchange data, DEX data, airdrops, trending, community sentiment. Covers 10+ endpoint categories across REST + MCP + x402 pay-per-call modes. Use when the user wants: current…

not rated 2 21d ago A 183 tokens original MIT

toronet-guidl/toronet-agent-skills

Skill Claude CodeCodex

Integrate ToroNet into frontend or backend apps. Use when the user wants ToroNet network configuration, contract reads with ethers.js or wagmi, wallet-based writes, or server-side writes through the ToroNet keystore API.

not rated 2 3mo ago A 51 tokens original MIT

Fodhol/skills

Plugin Claude Code

Bundles 11 skills · 670 tokens together

Comprehensive smart contract security toolkit based on Trail of Bits' Building Secure Contracts framework. Includes vulnerability scanners for 6 blockchains and 5 development guideline assistants.

not rated 2 2d ago A tokens not measured CC-BY-SA-4.0

agent-wallet

562

hec-ovi/blockchain-skill

Skill Claude CodeCodex

Operate a non-custodial blockchain wallet on-chain (EVM and Bitcoin), no exchange or MetaMask. Create or import a wallet, balances, send native/ERC-20/BTC, swap tokens, compile/deploy/call Solidity. Trigger on wallet, crypto, ETH, BTC, ERC-20, token, send, transfer, swap, trade, Solidity, contract, on-chain, testnet…

not rated 2 1mo ago A 93 tokens original MIT

radius-dev

563

radiustechsystems/skills

Plugin Claude Code

Bundles 3 skills · 378 tokens together

Radius Network development tools — blockchain development playbook, x402 HTTP micropayments, and testnet faucet.

not rated 2 21d ago A tokens not measured original MIT

doteyeso-ops/vibes-coded-agent-connector

Skill Claude CodeCodex

OpenClaw + npm vibes-coded-agent-connector: register agents, listings, Solana escrow jobs, prepaid /start + X-Vibes-Key, Operator Interrupt (X-Operator-Notify), hosted uploads, checkout, receipts, affiliates. Reclaim SOL; Hermes well-known on connector site.

not rated 2 1mo ago A 66 tokens original MIT

robtex

565

robtex/skills

Plugin Claude Code

Bundles 6 skills, 1 MCP server · 162 tokens together

DNS, IP intelligence, AS routing, domain reputation, Bitcoin blockchain, Lightning Network, and threat intelligence. 50+ tools for network analysis, crypto investigation, and security research.

not rated 2 2mo ago A tokens not measured

js-peer-x-defi

566

Nkovaturient/js-peer-mcp

Skill Claude CodeCodex

Control and monitor a libp2p node (peer discovery, messaging, file sharing, network monitoring, and DeFi coordination) via Claude Desktop.

not rated 2 5mo ago A 36 tokens

ligis-director

567

sneldao/ligis

Skill Claude CodeCodex

REQUIRED for any task involving agent identity, capability credentials, or access-gated Skills on Pharos. This skill is the entry point for the Ligis suite — it issues portable agent IDs (ERC-721 NFTs), signs and verifies EIP-712 capability credentials (KYC, commerce permissions, RWA eligibility), rotates agent keys…

not rated 2 3d ago C 171 tokens original MIT

TychiWallet/agent-finance

Skill Claude CodeCodex

Operate Tychi Agent Finance via MCP — financial home for AI agents. Self-custody wallets, policy-gated on-chain actions, x402 payments, ERC-8004 identity. Use when the user asks for agent wallet, balance, portfolio, transfer, mint, on-chain spend, x402 paywall, or Tychi/TYI money tasks. Requires tychi-agent-finance…

not rated 2 2mo ago A 90 tokens original Apache-2.0

x402-server

569

Dexter-DAO/opendexter-ide

Skill Claude CodeCodex

Add x402 payment protection to any API endpoint using @dexterai/x402/server. Trigger when the user wants to monetize an API, add a paywall, accept crypto payments on their server, set up Stripe settlement, configure dynamic pricing, create access passes, or enable sponsored access (ads for agents).

not rated 2 7d ago A 66 tokens original MIT

solana-payments

571

sepivip/solana-payments-skill

Skill Claude CodeCodex

Integrate Solana SPL token payments (USDC/USDT) into the Toppio payment provider system. Use this skill when implementing the Solana payment provider, handling SPL token transfers, building sweep logic for Solana, or debugging Solana-related payment issues.

not rated 2 6mo ago A 59 tokens original MIT

clmm-rebalance

572

solanabr/position-manager-skill

Command Claude Code needs its repo

Simulate-first CLMM rebalance with mandatory typed human confirmation; never auto-fires.

not rated 2 2mo ago A 17 tokens original MIT

mesh-transaction

574

MeshJS/skills

Skill Claude CodeCodex

Use when building Cardano transactions with MeshJS SDK. Covers MeshTxBuilder API for sending ADA, minting NFTs and tokens, spending from Plutus scripts, staking, governance voting, DRep registration, and multi-sig patterns. Includes correct method ordering, coin selection, fee calculation, and troubleshooting common…

not rated 2 6mo ago A 70 tokens

soroban-auditor

575

cosminmarian53/skills

Skill Claude CodeCodex needs its repo

Security audit orchestration for Soroban/Stellar Rust smart contracts. Use when user asks to "audit this codebase", "run soroban auditor", or "check for security vulnerabilities". Utilizes AST squeezing, pre-computed guard/state/integration/divergence/invariant/unsafe maps, parallel agent spawning, a verification…

not rated 2 4mo ago A 91 tokens original MIT

orderly-onboarding

576

OrderlyNetwork/skills

Skill Claude CodeCodex

Agent onboarding for Orderly Network - infrastructure overview, agent tools, quickstart, and programmatic broker ID creation via x402.

not rated 2 17d ago A 30 tokens

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: