Web3 and blockchain for Claude Code

Web3Auth/web3auth-mcp

MCP server Claude CodeCodexCursor +2

Helps AI coding agents integrate MetaMask Embedded Wallets (Web3Auth) SDKs. Remote server at mcp.web3auth.io.

Finanzgoblin/spectra-mcp-server

MCP server Claude CodeCodexCursor +2

Spectra Finance MCP server: yield discovery, PT/YT, looping, Morpho, 10 chains. Runs locally from the spectra-mcp-server npm package.

cinderwright-ai/cinderwright-api

MCP server Claude CodeCodexCursor +2

Cross-protocol agent payments hub. x402, MPP, L402/Lightning. 1551 services indexed. Runs locally from the cinderwright-mcp-server npm package.

axiosdevs/agentscoin-mcp

MCP server Claude CodeCodexCursor +2

Give your AI agent a wallet on AgentsCoin: create wallet, mine AGENT, check balance, send. Runs locally from the agentscoin-mcp npm package.

rplryan/x402-discovery-mcp

Skill Claude Code

Use this skill when the user asks about finding x402-payable APIs, discovering payment endpoints for AI agents, searching for monetized API services, checking API trust scores or uptime, or verifying x402 attestations. Automatically surfaces relevant services from the x402 Service Discovery catalog with pricing, trust…

nirholas/onchain-agent-wallets

MCP server Claude CodeCodexCursor +2

Give an AI agent a Solana spending allowance instead of your key. Chain-enforced cap, x402. Runs locally from the @three-ws/onchain-agent-wallets npm package. Needs 5 environment variables to run.

Kondux/seraph-mcp-public

MCP server Claude CodeCodexCursor +2

Crypto transaction firewall and risk tools for MCP agents. Remote server at seraph.kondux.io.

m9labs-railscope/verantis-mcp

MCP server Claude CodeCodexCursor +2

MCP server for Verantis — the verified directory for machine payments (x402 & MPP). Find live-verified services and check a wallet before your agent pays. Runs locally from the verantis-mcp Python package. Needs 1 environment variable to run.

Abstraxn-Labs/abstraxn-agent-layer

MCP server Claude CodeCodexCursor +2

Abstraxn: public Web3 MCP server for read-only chain data and pay-per-call relays. Remote server at mcp.abstraxn.com.

echennells/sparkbtcbot

Skill Claude Code

Give an AI agent a self-custodial Bitcoin wallet on the Spark L2. Covers wallet init from a BIP39 mnemonic, zero-fee Spark and BTKN/LRC20 token transfers, Lightning invoices (create and pay), Spark native invoices, L402 paywall payment, L1 deposits and cooperative withdrawals, and message signing. Make sure to use…

AElfProject/aelf-node-skill

Skill Claude CodeCodex

AElf node querying and contract execution skill for agents.

tonbistudio/gitlana

Skill Claude CodeCodex

Fetch, verify, and install agent skills stored entirely on the Solana blockchain, given only a Metaplex Core asset address.

Laz1mov/L1-AGENT-WALLET

Skill Claude CodeCodex

Use this skill when the user wants to mint, etch, or create a Rune (Bitcoin fungible token via the Runes protocol). Triggers on: "mint a rune", "etch SOVEREIGN", "create rune token", "issue runes", "fair launch", "open mint", "mint more of an existing rune", or any request involving Rune names (uppercase A–Z with…

0xlayerghost/solidity-agent-kit

Skill Claude CodeCodex

When this skill is triggered, DO NOT directly implement all strategies. Follow this workflow.

Olaradiallysymmetrical491/web3-bug-bounty-hunting-ai-skills

Skill Claude CodeCodex

Complete reference for all 10 DeFi smart contract bug classes. Use this when hunting for specific vulnerability types, need attack patterns for accounting desync, access control, incomplete path, off-by-one, oracle manipulation, ERC4626 vaults, reentrancy, flash loans, signature replay, or proxy/upgrade bugs.

mrocker/CardZero

Skill Claude CodeCodex

CardZero — the first payment wallet built for AI agents. Create USDC wallets on Base L2, make payments, pay x402 paywalls, pay other agents, check balance, view transactions, and run A2A jobs with on-chain escrow (ERC-8183). Human owner sets spending rules via Dashboard; agent pays autonomously within limits. Use when…

efekucuk/etherlink-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server for interacting with EVM-compatible blockchains - supports 22 tools and 10 prompts across 60+ networks. Runs locally from the @mcpdotdirect/evm-mcp-server npm package.

GSA-TTS/usdc-arc-mcp-demo

MCP server Claude CodeCodexCursor +2

MCP server "usdc-arc-mcp-demo" as configured in GSA-TTS/usdc-arc-mcp-demo. Runs locally from the usdc-arc-mcp-demo Python package.

r3e-network/neo-mcp

MCP server Claude CodeCodexCursor +2

MCP server and HTTP API for Neo N3 and Neo X blockchain integration. Runs locally from the @r3e/neo-mcp npm package.

VeChain-AI-Terminal/vechain-terminal-mcp

MCP server Claude CodeCodexCursor +2

MCP server "vechain-mcp-server" as configured in VeChain-AI-Terminal/vechain-terminal-mcp. Runs locally from the vechain-mcp-server npm package.

dewanshparashar/arbitrum-mcp

MCP server Claude CodeCodexCursor +2

MCP server for interfacing with the Arbitrum system (nodes, chains, accounts, ecosystem) in natural language. Runs locally from the arbitrum-mcp npm package.

mbarinov/okx-mcp

MCP server Claude CodeCodexCursor +2

OKX MCP (Model Context Protocol) server providing trading and portfolio management tools. Runs locally from the okx-mcp npm package.

kukapay/dex-kline-mcp

MCP server Claude CodeCodexCursor +2

MCP server "dex-kline-mcp" as configured in kukapay/dex-kline-mcp. Runs locally from the dex-kline-mcp Python package.

bitbankinc/bitbank-lab-mcp

Plugin Claude Code

Lists 1 plugin

Experimental MCP plugins for the bitbank botters lab community. Hosts the bitbank-lab-mcp plugin (market data, technical analysis, charting, and Private API trading tools).