4,163 mods tagged Web3 and blockchain that install into Codex, 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
Give your AI agent a wallet on AgentsCoin: create wallet, mine AGENT, check balance, send. Runs locally from the agentscoin-mcp npm package.
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.
MCP server Claude CodeCodexCursor +2
Crypto transaction firewall and risk tools for MCP agents. Remote server at seraph.kondux.io.
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.
Skill Codex
Source-grounded Kaspa protocol and Toccata engineering for Rusty Kaspa, KIPs, wallets, Kasware/Kaspium, indexers, WASM/TypeScript, covenants, ZK, vProgs, mining, infrastructure, repository audits, and current network or release status. Use when Codex must research, explain, design, implement, review, or verify Kaspa…
Skill Claude CodeCodex
AElf node querying and contract execution skill for agents.
Skill Claude CodeCodex
Fetch, verify, and install agent skills stored entirely on the Solana blockchain, given only a Metaplex Core asset address.
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.
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…
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.
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.
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.
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.
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.
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.
MCP server Claude CodeCodexCursor +2
Deep Research for crypto - free & fully local. Runs locally from the web3-research-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server exposing MTRKR wallet intelligence tools for MegaETH. Runs locally from the mtrkr-mcp-server npm package.
BananaCrystal/mcp-server-bananacrystal
MCP server Claude CodeCodexCursor +2
Agent payment infrastructure MCP server. Give AI agents autonomous payment capability — stablecoin transfers, currency swaps, agent wallets, and fiat operations on Hedera. Works with Claude, LangChain, CrewAI, AutoGPT. Runs locally from the @bananacrystal/mcp-server npm package.
MCP server Claude CodeCodexCursor +2
Agentic AQUA — MCP server for Liquid Network and Bitcoin wallet operations. Runs locally from the agentic-aqua Python package.
MCP server Claude CodeCodexCursor +2
Safety first. Hardware-verified DeFi for AI agents — designed for when the AI can be compromised. Runs locally from the vaultpilot-mcp npm package. Needs 10 environment variables to run.
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: