4,223 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.
Skill Claude CodeCodex
Query Polymarket prediction market data via The Graph subgraphs + Polymarket REST APIs (Gamma + CLOB) — 31 tools for market search, live prices, on-chain analytics, trader P&L, open interest, resolution status, and more.
Skill Claude CodeCodex
Simulate a Uniswap swap before making it — amount out, effective price, price impact — computed offline from The Graph with the protocol's own concentrated-liquidity math. Also pools, token prices, pair lookup and live swap flow across Uniswap V2/V3/V4 on Ethereum, Arbitrum, Base, Polygon, Optimism and BSC. Trigger…
MCP server Claude CodeCodexCursor +2
MCP server "onchain-text2sql-agent" as configured in marblerace/zoraHoldersAI. Runs locally from the onchain-text2sql-agent Python package.
MCP server Claude CodeCodexCursor +2
MCP server for BotIndex — Crypto market intelligence API. Predictive signals, whale divergence, convergence scoring, network intelligence. Verifiable track record. Runs locally from the botindex-mcp-server npm package.
Skill Claude CodeCodex
Buy and audit World Cup betting edges from LineLock over Injective x402. Use when the user wants the next knockout pick (model probability vs market odds + a conviction staking ladder), wants to pay per-call in USDC without an API key, or wants to audit a tipster's settled record by closing-line value (CLV). Handles…
cornerblue/aibtc-mcp-server-orphan
Skill Claude CodeCodex
Bitcoin L1 wallet for agents - check balances, send BTC, manage UTXOs. Extends to Stacks L2 (STX, DeFi) and Pillar smart wallets (sBTC yield).
ExpertVagabond/robinhood-chain-mcp
MCP server Claude CodeCodexCursor +2
MCP server for Robinhood Chain (Arbitrum Orbit L2, chainId 4663) — JSON-RPC reads, explorer-indexed token discovery, EIP-3009/USDG tooling, and unsigned transaction builders. Never holds keys. Runs locally from the @purplesquirrel/robinhood-chain-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server for Cobbee — AI agents manage profiles, products, and payments via OWS wallet + SIWA auth. Runs locally from the @cobbee-mcp/server npm package.
MCP server Claude CodeCodexCursor +2
MCP server for JustLend V1 DAO on TRON blockchain. Supports supply, borrow, repay, withdraw, market data, mining rewards (USDD/WBTC), API integration, general TRON chain utilities, and AI-guided DeFi prompts. Runs locally from the mcp-server-tld npm package. Needs 2 environment variables to run.
drtiibiird/helius-forensics-mcp
MCP server Claude CodeCodexCursor +2
MCP server "helius-forensics-mcp" as configured in drtiibiird/helius-forensics-mcp. Runs locally from the helius-forensics-mcp npm package.
MCP server Claude CodeCodexCursor +2
An MCP server that detects potential rug pull risks in Solana meme tokens. Runs locally from the rug-check-mcp Python package.
MCP server Claude CodeCodexCursor +2
MCP server "stacks-mcp-server" as configured in aibtcdev/stacks-mcp-server. Runs locally from the @aibtcdev/stacks-mcp-server npm package.
Skill Claude CodeCodex
Connect to the KirpyV3 AI Trading Arena — a competitive platform where AI agents trade crypto (BTC, ETH, SOL) with paper money, post to a global arena chat, and compete on a live leaderboard. This skill enables you to register, monitor your bot, interact with the market, and participate in the arena.
teodorofodocrispin-cmyk/sentinel-public
Skill Claude CodeCodex
Pre-execution transaction safety check for autonomous AI agents — one capability of the SENTINEL trust oracle (sentinel-agent.dev). Before signing an on-chain transaction on Base, an agent calls SENTINEL and receives a SAFE / UNSAFE / UNKNOWN verdict, a SENTINEL Score (0-100, grade AAA-D), and an ed25519-signed…
MCP server Claude CodeCodexCursor +2
Generate MCP tools from any Solana Anchor program's IDL — let AI agents read & simulate its instructions with zero per-program code. Runs locally from the anchor-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server "mcp-blockchain" as configured in shubhamdusane/mcp-blockchain. Runs locally from the mcp-blockchain npm package.
MCP server Claude CodeCodexCursor +2
MCP server "hedwig-wallet-mcp" as configured in DarshanKrishna-DK/Hedwig. Runs locally from the hedwig-wallet-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server for Isocast — Polymarket weather-market bucket-transition signals for agents: buy prepaid signal bundles with USDC via x402, poll entitled signals, and register Telegram push delivery. Runs locally from the isocast-mcp npm package. Needs 2 environment variables to run.
Skill Claude CodeCodex
Create payment-gated invoices and release sealed deliverables.
MCP server Claude CodeCodexCursor +2
A Model Context Protocol server exposing read-only Solana tools: SOL price, wallet balance, SPL token balances, and recent transactions. Runs locally from the solana-execution-mcp npm package.
MCP server Claude CodeCodexCursor +2
Model Context Protocol server for the Thru blockchain — query accounts, transactions, events, name service records, and network status over stdio. Runs locally from the thru-mcp-server npm package.
MCP server Claude CodeCodexCursor +2
Persistent memory layer for Stellar/Soroban projects. Scans your repo, links code to on-chain reality, and serves the result to you and to your AI agents over MCP. Runs locally from the soroban-memory npm package.
manteclaw/base-l2-agent-kit-mcp
Skill Claude CodeCodex
MCP server providing Base L2 DeFi tools for AI agents.
mmahdiahamed92-png/autonomous-intelligence-mcp
MCP server Claude CodeCodexCursor +2
MCP server for the Autonomous Intelligence agent execution rail — non-custodial multi-chain token swaps, rug-gate safety checks, and gem discovery. Discovery tools are keyless; swap execution uses a self-serve key and is non-custodial (your key never leav. Runs locally from the autonomousintelligence-mcp npm package.…