4,229 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
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.
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
MCP Server for Rootstock Blockchain. Runs locally from the @rsksmart/rsk-mcp-server npm package.
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…
mishoko/solidity-auditor-pulse
Skill Claude CodeCodex
Use when auditing Solidity contracts for security vulnerabilities. Trigger on "audit", "check this contract", "review for security", or "/contract-auditor".
Skill Claude CodeCodex
AAWP (AI Agent Wallet Protocol) — the only crypto wallet protocol built exclusively for AI Agents on EVM-compatible blockchains and Solana. Not for humans. The signer is the AI Agent itself, cryptographically bound at wallet creation. Supports wallet lifecycle management, token transfers, DEX swaps, cross-chain…
Skill Claude CodeCodex
MeshLedger's dispute resolution agent. Evaluates disputes between customer and deliverer agents based on the job spec, deliverable, and evidence. Rules strictly on data — the spec is the contract.
hahahakang/onchain-narrative-research-skill
Skill Codex
Investigate crypto leads from screenshots, wallets, token addresses, X posts, Telegram/Discord snippets, founders, companies, projects, or viral narratives. Use when an AI coding agent needs to verify claimed trading profits, reconstruct onchain behavior, trace narrative/source timelines, identify early token/category…
Skill Claude CodeCodex
Guides developers through integrating Reown AppKit into web applications (React, Next.js, Vue, Nuxt, Svelte, vanilla JavaScript). Use when adding wallet connection, network switching, multi-chain support, or troubleshooting AppKit integration issues.
cryptomcp/allinone-crypto-trading-mcp-server
MCP server Claude CodeCodexCursor +2
MCP server "allinone-crypto-trading-mcp-server" as configured in cryptomcp/allinone-crypto-trading-mcp-server. Runs locally from the allinone-crypto-trading-mcp-server Python package.
MCP server Claude CodeCodexCursor +2
A server that exposes a set of tools for interacting with the Hyperliquid decentralized exchange. It simplifies trading operations by providing a high-level API for placing, canceling, and modifying orders, as well as managing account settings and retrieving market data. Runs locally from the hyperliquid-mcp Python…
MCP server Claude CodeCodexCursor +2
NANO MCP (Nano Cryptocurrency) Server for AI Assistants - A JSON-RPC 2.0 API server for Nano cryptocurrency operations with QR code generation, local work generation and auto-receive pending blocks. Runs locally from the nano-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server "honeypot-detector-mcp" as configured in kukapay/honeypot-detector-mcp. Runs locally from the honeypot-detector-mcp Python 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 for Noir development - clones and searches Noir documentation, stdlib, and examples. Runs locally from the noir-mcp-server npm package.
MCP server Claude CodeCodexCursor +2
MCP server "eips-mcp" as configured in kukapay/eips-mcp. Runs locally from the eips-mcp Python package.
caiovicentino/debank-mcp-server
MCP server Claude CodeCodexCursor +2
MCP server "mcp-server-debank" as configured in caiovicentino/debank-mcp-server. Runs locally from the mcp-server-debank Python package.
HCF-STUDIOS/amikonet-signer-mcp-server
MCP server Claude CodeCodexCursor +2
Local DID signer for AmikoNet - manages private keys and creates cryptographic signatures (never transmits keys). Runs locally from the @heyamiko/amikonet-signer npm package.
MCP server Claude CodeCodexCursor +2
MCP server for Kaspa transactions. Runs locally from the @kasanovaio/kaspa-mcp npm package.
MCP server Claude CodeCodexCursor +2
Athena — Web3 smart contract security audit MCP tools + Skills for Claude Code. Runs locally from the athena-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server "mcp-solana-ico" as configured in waifuai/mcp-solana-ico. Runs locally from the mcp-solana-ico Python package.
talkincode/hyperliquid-mcp-python
MCP server Claude CodeCodexCursor +2
HyperLiquid MCP Server with FastMCP - Trading tools and account management. Runs locally from the hyperliquid-mcp-python Python package.
MCP server Claude CodeCodexCursor +2
Standalone MCP server for DefiLlama data access. Runs locally from the @iqai/defillama-mcp npm package.