Web3 and blockchain for Codex

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.

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

x402-list

146

mcccsm/x402-list-mcp

Skill Claude CodeCodex

Discover x402 payment services and on-chain-verified facilitator settlement volume via the x402-list directory. Use when a user or agent needs to find an API/service that accepts x402 (HTTP 402 stablecoin) payments, compare services by reliability and price, check service uptime/health, see whether a service has…

not rated 20 +6 changed 2mo ago A 99 tokens original MIT

sera

147

sera-cx/sera-agents

Skill Claude CodeCodex

Multi-currency settlement skill — quote, swap, and settle across 40 stablecoins via Sera Protocol.

not rated 20 changed yesterday A SkillSpector: warn 24 tokens original MIT

smoothsend-gasless

148

aptos-labs/aptos-agent-skills

Skill Claude CodeCodex

How to sponsor gas fees for Aptos dApp users using SmoothSend. Paid commercial service: free on testnet, credit-based on mainnet. Covers 3-line wallet adapter integration (transactionSubmitter), Script Composer for fee-in-token stablecoin transfers. Triggers on: 'gasless', 'sponsor gas', 'users pay no APT'…

not rated 20 4mo ago A 102 tokens original MIT

bybit-ws

149

poliakarmai/bybit-ws

MCP server Claude CodeCodexCursor +2

bybit websocket client. Runs locally from the bybit-ws Python package.

not rated 20 +2 4d ago A tokens not measured AGPL-3.0

ic-reactor

150

B3Pay/ic-reactor

Skill Claude CodeCodex

Write, review and fix app code that calls Internet Computer (ICP) canisters with ic-reactor 4 (@ic-reactor/core, @ic-reactor/react, @ic-reactor/vite-plugin) over a module generated by @meantjs/cli, in React or plain TypeScript. Use when the project depends on an @ic-reactor/ package at version 4, or the user asks to…

not rated 20 changed 3d ago A 184 tokens original MIT

quicknode-skill

151

quiknode-labs/blockchain-skills

Skill Claude CodeCodex

Quicknode blockchain infrastructure for 80+ chains: Core RPC API, Streams, Webhooks, Blazar WSS, Solana gRPC, HyperCore gRPC, SQL Explorer, Metaplex DAS API, Blockbook, Ordinals & Runes API, Swap API, x402, MPP, Agent Subscriptions, CLI, and MCP. Use for any Quicknode product, blockchain data access, or wallet-paid…

not rated 19 2mo ago B 93 tokens original MIT

sati-sdk

152

cascade-protocol/sati

Skill Claude CodeCodex

Build with SATI (Solana Agent Trust Infrastructure) - on-chain agent identity, verifiable reputation, and blind feedback on Solana. Use when registering AI agents on-chain via Token-2022 NFTs, giving or searching feedback, querying agent reputation, building registration files (ERC-8004), encrypting attestation…

not rated 19 5mo ago A 173 tokens original Apache-2.0

polymarket-agent-mcp

153

demwick/polymarket-agent-mcp

MCP server Claude CodeCodexCursor +2

MCP server "polymarket-agent-mcp" as configured in demwick/polymarket-agent-mcp. Runs dist/index.js with node.

not rated 19 +1 2d ago A tokens not measured copy · 73% MIT

solana-glossary

154

solanabr/solana-glossary

Skill Claude CodeCodex

You have access to a comprehensive Solana glossary with 1,059 terms across 14 categories, with depth ratings (1-5) and 16 cross-cutting tags. Use these tools to ground your Solana knowledge.

not rated 18 2mo ago A 0 tokens original MIT

web3-daily

155

alexander10011/web3-daily

Skill Claude CodeCodex

Web3 public research digest service. Provides daily digest with macro news, KOL sentiment, and real-time market data (BTC/ETH prices, Fear & Greed Index). No personal data required. Use when user asks for Web3 news, crypto digest, or says /web3.

not rated 18 7mo ago A 63 tokens original MIT

bitget-wallet-mcp

156

bitget-wallet-ai-lab/bitget-wallet-mcp

MCP server Claude CodeCodexCursor +2

MCP server "bitget-wallet-mcp" as configured in bitget-wallet-ai-lab/bitget-wallet-mcp. Runs locally from the bitget-wallet-mcp Python package.

not rated 18 6mo ago A tokens not measured original MIT

piighost-docs

157

Athroniaeth/piighost

Skill Claude CodeCodex needs its repo

Use when writing, rewriting or reviewing any PIIGhost documentation page under docs/en/ or docs/fr/, the pitch of README.md or docs/README.fr.md, or the nav in docs/zensical.toml / docs/zensical.fr.toml. Also use when choosing between anonymisation and dé-identification, when a page mixes tutorial with reference, when…

not rated 18 +1 changed 1mo ago A SkillSpector: pass 138 tokens original MIT

nft-maker-one/claude_course

Skill Claude CodeCodex

Query Ondo tokenized US stock data on Binance Web3. Covers: supported stock token list, RWA metadata (company info, attestation reports), market and per-asset trading status (with corporate action codes for earnings, dividends, splits), real-time on-chain data (token price, holders, circulating supply, market cap), US…

not rated 18 4mo ago A 216 tokens

blockchain-cashflow

159

hxsteric/mercury

Skill Claude CodeCodex

Multi-chain blockchain cash flow analysis, fraud detection, and trading strategy generation for wallet addresses. Analyzes inflows/outflows, detects fraud patterns (dust attacks, mixers, address poisoning), generates actionable trading strategies, and visualizes everything via a live web dashboard. Supports Ethereum…

not rated 17 7mo ago A 68 tokens

jupiter-mcp-server

160

quanghuynguyen1902/jupiter-mcp-server

MCP server Claude CodeCodexCursor +2

Model Context Protocol server providing Claude AI with access to Jupiter's Portfolio API and Price API on Solana. Runs locally from the jupiter-mcp-server npm package.

not rated 17 2mo ago A tokens not measured original MIT

XSpoonAi/spoon-awesome-skill

Skill Claude CodeCodex

Advanced detection system identifying Sybil attacks, bot networks, and insider trading using multi-heuristic analysis, machine learning clustering, and transaction graph algorithms.

not rated 17 7mo ago A 35 tokens

ssssota/chapplin

Skill Claude CodeCodex

Build and debug MCP App-enabled tools in existing projects scaffolded by create-chapplin. Use when extending tools/.tsx with defineTool and defineApp , wiring structuredContent and meta for UI data flow, handling runtime differences across react/preact/solid/hono targets, or troubleshooting chapplin preview and…

not rated 16 9d ago A 77 tokens original MIT

delphi

163

gensyn-ai/gensyn-delphi-skills

Skill Claude CodeCodex

Gensyn Delphi information market tools, including the Delphi agent trading competition. List and filter markets (including verifiable-only filter), fetch market details with live on-chain prices and implied probabilities, quote buy/sell trades, execute buy and sell transactions (with automatic token approval and…

not rated 16 3mo ago A 226 tokens original MIT

okx-mcp-server

164

esshka/okx-mcp

MCP server Claude CodeCodexCursor +2

Model Context Protocol (MCP) server for gasless DEX swapping powered by OKX DEX API + Biconomy MEE. Runs locally from the okx-mcp-server npm package.

not rated 16 1y ago A tokens not measured

freeport-nostr

165

ptrinh/freeport

MCP server Claude CodeCodexCursor +2

Search Freeport Nostr events by kind, tag & geohash radius (rides, services, reputation). Runs locally from the freeport-nostr-mcp npm package. Needs 1 environment variable to run.

not rated 16 1mo ago A tokens not measured original MIT

asgcard

166

ASGCompute/asgcard-public

Skill Claude CodeCodex

ASG Card — virtual MasterCard cards for AI agents, powered by x402 on Stellar.

not rated 15 7mo ago A 21 tokens original MIT

algorand-remote-mcp

167

GoPlausible/algorand-remote-mcp

Skill Claude CodeCodex

Comprehensive guide for interacting with Algorand blockchain via Algorand Remote MCP server — a managed MCP server with wallet management (HashiCorp Vault signing), ALGO/ASA transactions, atomic groups, smart contract deployment, account queries, NFD lookups, Tinyman AMM swaps, Haystack Router best-price DEX…

not rated 15 3mo ago A 159 tokens original MIT

privy

168

privy-io/privy-agentic-wallets-skill

Skill Claude CodeCodex

Create and manage agentic wallets with Privy. Use for autonomous onchain transactions, wallet creation, policy management, and transaction execution on Ethereum, Solana, and other chains. Triggers on requests involving crypto wallets for AI agents, server-side wallet operations, or autonomous transaction execution.

not rated 15 7mo ago B 60 tokens original MIT

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