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 server "solana-debug-mcp" as configured in biccsdev/solanadebugmcp. Runs locally from the solana-debug-mcp npm package.
MCP server Claude CodeCodexCursor +2
Command-line interface for ZKResistor, a trustless ZK privacy pool on TON. Wallet, deposits, withdraws, pool creation. Runs locally from the zkresistor-cli npm package.
MCP server Claude CodeCodexCursor +2
MCP server for AI-driven Ethereum development with Scaffold-ETH. Runs locally from the eth-mcp npm package.
MCP server Claude CodeCodexCursor +2
Read-only BSV knowledge MCP server: pinned-snapshot answers for BRCs, Bitcoin Script opcodes, BEEF, Runar, the Tier 0 SDKs and the Craig Wright essay corpus. Never fetches live HTTP; never actuates. Runs locally from the bsv-aio-mcp npm package.
blockventurechaincapital-crypto/bvcc-agent-mcp
MCP server Claude CodeCodexCursor +2
Non-custodial BVCC Agent Wallet on-chain for AI agents: balances, transfers, approvals, swaps. Runs locally from the @bvcc/agent-mcp npm package. Needs 6 environment variables to run.
RipperMercs/tensorfeed-x402-base-mcp
MCP server Claude CodeCodexCursor +2
Read-only Base mainnet reader. Verifies x402 payment settlements + AFTA federation status. Runs locally from the @tensorfeed/x402-base-mcp npm package. Needs 1 environment variable to run.
Bajuzjefe/Aikido-Security-Analysis-Platform
MCP server Claude CodeCodexCursor +2
Security analysis for Aiken smart contracts on Cardano. 75 vulnerability detectors. Runs locally from the aikido-mcp npm package. Needs 1 environment variable to run.
clicks-protocol/clicks-protocol
Skill Claude CodeCodex
Integrate Clicks Protocol settlement routing into AI agent projects on Base. Use when building agents that hold, earn, receive, or transfer USDC, when asked about agent treasury management, x402 payment settlement, idle USDC routing, or agent referral attribution.
MCP server Claude CodeCodexCursor +2
Pay for AI inference with USDC micropayments on Polygon. No API keys needed. Runs locally from the drain-mcp npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
MCP server "randomweb3mcp" as configured in suxiongye/random-web3-mcp. Runs locally from the randomweb3mcp Python package.
allthatjazzleo/mantrachain-mcp
MCP server Claude CodeCodexCursor +2
Model Context Protocol server for MantraChain (Cosmos SDK) with EVM support. Runs locally from the mantrachain-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server for 0xGasless smart accounts with gasless blockchain operations. Directly connects to Claude Desktop. Runs locally from the 0xgasless-mcp npm package.
MCP server Claude CodeCodexCursor +2
Route EVM transactions to browser wallets (MetaMask, etc.) for signing via EIP-6963. Runs locally from the mcp-wallet-signer npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
A defensive, token-aware MCP server for Dune Analytics. Runs locally from the dune-mcp Python package.
imchandanmohan/mcp-crypto-portfolio
MCP server Claude CodeCodexCursor +2
MCP server "mcp-crypto-portfolio" as configured in imchandanmohan/mcp-crypto-portfolio. Runs locally from the mcp-crypto-portfolio Python package.
MCP server Claude CodeCodexCursor +2
MCP server for the Foundry Ethereum development toolkit (Forge, Cast, Anvil, Chisel). Runs locally from the @maxencerb/foundry-mcp npm package.
ExpertVagabond/solana-mcp-server
MCP server Claude CodeCodexCursor +2
Solana MCP server for wallet, transactions & programs. Runs locally from the solana-mcp-server npm package.
Skill Claude CodeCodex
Deterministic EVM bytecode capability observations, EIP-1967 proxy resolution, current gas-price telemetry, and sourced market observations for autonomous applications on Base (Chain ID 8453).
MCP server Claude CodeCodexCursor +2
AI oracle: BTC/ETH/SOL signals, Polymarket edges, congressional trades. x402 $0.01/call on Base. Remote server at api.octodamus.com.
chopmob-cloud/AlgoVoi-Platform-Adapters
MCP server Claude CodeCodexCursor +2
AlgoVoi crypto payments via MCP: USDC + native on Algorand, VOI, Hedera, Stellar. Runs locally from the @algovoi/mcp-server npm package. Needs 5 environment variables to run.
MCP server Claude CodeCodexCursor +2
17 DeFi + RWA tools — PumpFun, wallet PnL, Meteora LP, Robinhood Chain stocks — paid via x402. Runs locally from the hyre-mcp npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Read-only Hyperliquid data: markets, funding rates, order books, candles, positions and fills. Runs locally from the @kitsune-de/hyperliquid-mcp npm package.
MCP server Claude CodeCodexCursor +2
AI agents get on-chain identity, credentials, reputation, escrow, and persistent memory on XRPL. Runs locally from the xaip-mcp-server npm package.
MCP server Claude CodeCodexCursor +2
Identity certificates, public registry, and wishing well for AI agents — x402 micropayments on Base. Remote server at agentstamp.org.
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: