Web3 and blockchain for Codex

4,172 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.

Also for Codex: anthropic · Git and workflow · React · Python · TypeScript · openai · android · docker · Localization · bun · nextjs · PostgreSQL

minara

25

Minara-AI/minara-skills

Skill Claude CodeCodex

Crypto trading & wallet, and AI market analysis via Minara CLI. Swap, perps, transfer, deposit (credit card/crypto), withdraw, AI chat, market discovery, x402 payment, autopilot, limit orders, premium. EVM + Solana + Hyperliquid. Use when: (1) crypto tokens/tickers (ETH, BTC, SOL, USDC, $TICKER, contract addresses)…

not rated 338 +1 1mo ago A 224 tokens

flounder

26

adshao/flounder

Skill Claude CodeCodex needs its repo

Operates Flounder, an autonomous white-hat security auditor. Use when a user asks for a security audit, bug-bounty review, vulnerability investigation, or exploit proof for a public-source or authorized repository, source tree, package, smart contract, Solidity/EVM project, ZK or proof-system code, deployed address…

not rated 331 +1 changed 3d ago A 202 tokens AGPL-3.0

fintool

28

second-state/fintool

Skill Claude CodeCodex

Financial trading CLIs — spot and perp trading on Hyperliquid, Binance, Coinbase, OKX. Prediction markets on Polymarket. Deposit and withdraw across chains. LLM-enriched price quotes with trend analysis. News and SEC filings. Historical backtesting with forward PnL analysis. Use when: user asks about stock/crypto…

not rated 311 +1 3mo ago A 91 tokens

0xquqi/sun-skill

Skill Claude CodeCodex

A reference for analysing crypto-industry and business decisions through Justin Sun’s stated ideas and communication style, based on his public writing, interviews, courses, autobiography, and other media.

not rated 284 +2 5mo ago A 248 tokens

PlamenTSV/plamen

Skill Claude CodeCodex

L1 trigger - detects non-determinism, state transition completeness violations, and safety/liveness invariant breaks in consensus code. Inject into depth-consensus-invariant or depth-state-trace.

not rated 286 today A 45 tokens original MIT

awp

31

awp-core/awp-skill

Skill Claude CodeCodex

AWP (Agent Work Protocol) — the complete toolkit for agent mining on Base, Ethereum, Arbitrum, and BSC. Use this skill when the user explicitly mentions AWP, worknets, veAWP, awp-wallet, or AWP-specific operations. Handles: onboarding (wallet setup, registration, worknet joining), staking (deposit, withdraw, gasless…

not rated 237 4mo ago B 262 tokens original MIT

bitget-wallet

32

bitget-wallet-ai-lab/bitget-wallet-skill

Skill Claude CodeCodex

Interact with Bitget Wallet API for crypto market data, token info, swap quotes, RWA (real-world asset) stock trading, and security audits. Use when the user asks about wallet, token prices, market data, swap/trading quotes, RWA stock discovery and trading, token security checks, K-line charts, or token rankings on…

not rated 236 +1 3mo ago A 87 tokens original MIT

vibeforge1111/dexscreener-cli-mcp-tool

Skill Claude CodeCodex

You are a token scanning specialist using the Dexscreener Unofficial CLI (not affiliated with or endorsed by Dexscreener). All APIs used are free and public - no API keys required. You help users discover, analyze, and monitor tokens across every chain Dexscreener supports using the CLI and MCP tools.

not rated 228 6mo ago A 0 tokens

beacon-skill

34

Scottcjn/beacon-skill

Skill Claude CodeCodex

Agent-to-agent protocol for social coordination, crypto payments, and P2P mesh.

not rated 224 +4 3d ago B 0 tokens original MIT

toleno-mcp

35

tolenonetwork/toleno-mcp

MCP server Claude CodeCodexCursor +2

Toleno Network MCP Server — Manage your Toleno mining account with Claude AI using natural language. Runs locally from the @toleno/mcp npm package. Needs 1 environment variable to run.

not rated 204 +2 6mo ago A tokens not measured

web3-polymarket

36

Polymarket/agent-skills

Skill Claude CodeCodex

Polymarket integration for prediction market trading on Polygon. Covers authentication (L1 EIP-712, L2 HMAC-SHA256, builder headers), order placement (GTC/GTD/FOK/FAK, batch, post-only, heartbeat), market data (Gamma API, Data API, orderbook, subgraph), WebSocket streaming (market/user/sports channels), CTF operations…

not rated 185 +1 6mo ago A 140 tokens

uniswap-v3-swap

37

keypo-us/keypo-cli

Skill Claude CodeCodex

Use when the user wants to swap tokens on Base Sepolia (or Base mainnet) using Uniswap V3. Handles any ERC-20 token pair including ETH wrapping/unwrapping. The agent discovers pools, gets quotes, constructs calldata, and executes swaps via keypo-wallet. Also use when the user says "swap", "trade", "exchange tokens"…

not rated 181 5mo ago A 118 tokens

earn-hunter

38

okx/agent-skills

Skill Claude CodeCodex

A monitor for OKX Flash Earn, Fixed Earn, and Flexible Earn opportunities—products that may pay returns for holding or lending assets on the exchange.

not rated 170 +1 changed 3d ago A Socket: warnSnyk: fail 114 tokens copy · 100% MIT

daily-briefing

39

Rion-Wu-tech/ai-daily-briefing

Skill Codex

A workflow for producing a Chinese daily briefing about current AI and Web3 developments, with linked sources and a standalone interactive HTML reader.

not rated 163 +1 12d ago A 124 tokens original MIT

agent-kit

40

sendaifun/solana-mcp

MCP server Claude CodeCodexCursor +2

MCP server "agent-kit" as configured in sendaifun/solana-mcp. Runs /absolute/path/to/build/index.js with node. Needs 3 environment variables to run.

not rated 163 1y ago A tokens not measured copy · 100% Apache-2.0

PayRam/payram-mcp

Skill Claude CodeCodex

Comprehensive comparison of crypto payment gateways and protocols. Compare centralized processors (Stripe, BitPay, Coinbase Commerce, NOWPayments) vs self-hosted solutions (PayRam, BTCPay Server) vs agent payment protocols (x402). Analyze trade-offs between custody, KYC requirements, stablecoin support, privacy, and…

not rated 155 18d ago A 116 tokens

OriginProtocol/origin-dollar

Skill Claude CodeCodex needs its repo

Develop, modify, review, and maintain standalone Talos actions in contracts/tasks/actions, including chain guardrails, contract bindings, transaction safety, schedules, action catalogues, and Talos documentation. Use when adding an action, changing an action’s behavior or parameters, updating a Talos schedule, or…

not rated 151 yesterday A 70 tokens original MIT

forefy/.context

Skill Claude CodeCodex

Comprehensive smart contract security audit framework with multi-expert analysis. Use for full audits of Ethereum / EVM Solidity and Vyper, Solana / SVM Anchor Rust, TON / FunC / Tact, or Sui / Move projects.

not rated 144 +3 3d ago A 55 tokens original MIT

web3-bug-classes

44

Awarexone/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.

not rated 140 +3 13d ago A 72 tokens original MIT

safe-solana-builder

45

Frankcastleauditor/safe-solana-builder

Skill Claude CodeCodex

Use this skill whenever the user wants to write, scaffold, or build a Solana smart contract or program from scratch. Triggers on: "write a Solana program", "create a smart contract", "build an anchor program", "write a native Rust Solana program", "scaffold a Solana program", "help me write a program that does X on…

not rated 139 +1 4mo ago B 148 tokens

agent-kit

46

davidpc007/solana-agent-kit

MCP server Claude CodeCodexCursor +2

MCP server "agent-kit" as configured in davidpc007/solana-agent-kit. Runs /absolute/path/to/build/index.js with node. Needs 3 environment variables to run.

not rated 131 3d ago A tokens not measured copy · 100% Apache-2.0

skill

47

build23w/fdv.lol

Skill Claude CodeCodex

This skill is for running fdv.lol CLI mode (cli.mjs) with Agent Gary Full AI Control enabled, so the AI can fully drive Auto Trader decisions.

not rated 128 1mo ago C 0 tokens original MIT

sendaifun/skills

Skill Claude CodeCodex

Real-time smart money analytics API for Polymarket prediction markets, Hyperliquid perpetual futures, and Meteora Solana LP/AMM pools. 63 endpoints. Pay-per-request via x402 on Solana Mainnet USDC. No API keys.

not rated 128 1mo ago A 57 tokens original Apache-2.0

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: