4,158 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
Read-only Sui blockchain analytics: 59 tools, protocol-aware tx decoding, no API keys or wallet. Runs locally from the sui-analytics-mcp npm package. Needs 6 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP server for Cerebrus Pulse — real-time crypto intelligence API for Hyperliquid perpetuals. Runs locally from the cerebrus-pulse-mcp Python package.
MCP server Claude CodeCodexCursor +2
Is this AI agent or x402 service real and settlement-backed before you pay it? Trust check. Remote server at api.agentrank.info.
Skill Claude CodeCodex
Lightning-gated MCP server with free agent onboarding. Traverse 5 free doctrine components to receive a Nostr keypair + Lightning wallet — no cost, no account, no setup. 398 formally verified (Lean 4) doctrine components: axioms, equations, definitions, operators. Tiered pricing (100–1,000 sats). REST + MCP + LNURL.…
MCP server Claude CodeCodexCursor +2
Read-only MCP server for querying the live NOVAI blockchain over its public JSON-RPC endpoint. Runs locally from the novai-mcp-server npm package.
MCP server Claude CodeCodexCursor +2
Web3 MCP proxy for AI agents: DeFi swaps, bridges, market data, wallets, and gated writes. Runs locally from the web3agent npm package. Needs 7 environment variables to run.
Skill Claude CodeCodex
Use when the user asks to create, generate, build, audit, fix, compile, or look up smart contracts and tokens. Pentagonal Clawd is a sovereign smart contract forge and token intelligence platform with AI-powered 8-agent security pen testing across Ethereum, Solana, Polygon, Base, Arbitrum, Optimism, and BSC.
Skill Claude CodeCodex
Vet an unfamiliar agent before delegating, gate an x402 or other crypto payment on an exact signed counterparty decision, verify portable agent passports, record evidence-backed work, use escrow, or issue a cryptographically signed receipt for a private machine-to-machine message. Use immediately before an autonomous…
MCP server Claude CodeCodexCursor +2
Visual DeFi workflow automation on Base + Ethereum mainnet. Remote server at www.ctrl.build.
MCP server Claude CodeCodexCursor +2
Trustless spending accounts for AI agents on Solana with on-chain enforced limits. Runs locally from the @cloakedagent/sdk npm package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
Trust scoring, scam detection, and EAS attestations for ERC-8004 + x402 agents on Base. Runs locally from the @agentradar/mcp npm package. Needs 2 environment variables to run.
Skill Claude CodeCodex
Digital content verification and deepfake detection. Verify text authenticity, detect AI-generated images, generate blockchain-anchored certificates.
Casterdly/jarvis-market-signals
MCP server Claude CodeCodexCursor +2
Live crypto market signals for AI agents: perp liquidations, funding, OI positioning, yield, FX. Remote server at jarvis.tail12fa6b.ts.net.
MCP server Claude CodeCodexCursor +2
Official Bitget MCP Server for the Unified Trading Account (UTA v3) API. Runs locally from the @bitget-ai/bitget-agent-mcp npm package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
Hyperliquid account analysis: positions, PnL, fills, orders, funding. x402 pay-per-call. Remote server at hl-portfolio.api.klymax402.com.
CSOAI-ORG/blockchain-verification-mcp
MCP server Claude CodeCodexCursor +2
MCP server for blockchain verification. Features mint certificate, verify certificate, audit trail. From MEOK AI Labs. Runs locally from the blockchain-verification-mcp Python package.
MCP server Claude CodeCodexCursor +2
Send physical mail with Solana cryptocurrency - AI agents can send real letters worldwide. Runs locally from the solmail-mcp npm package. Needs 4 environment variables to run.
Cyberweasel777/botindex-mcp-server
MCP server Claude CodeCodexCursor +2
DeFi signal intelligence + agent discovery. Funding arb, whale alerts, Zora, compliance. Runs locally from the botindex-mcp-server npm package. Needs 1 environment variable to run.
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.
CryptoAPIs-io/cryptoapis-mcp-hd-wallet
MCP server Claude CodeCodexCursor +2
MCP server for HD wallet management, balance, and sync on EVM, UTXO, XRP via Crypto APIs. Runs locally from the @cryptoapis-io/mcp-hd-wallet npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Forex, IOF tax, US accounts, stablecoins, and international payments in Brazil. Runs locally from the ozav-mcp-server npm package.
MCP server Claude CodeCodexCursor +2
Expose foundry-zksync (forge, cast, anvil-zksync) tools for zkSync Era development. Runs locally from the foundry-zksync-mcp npm package.
MCP server Claude CodeCodexCursor +2
Security suite for AI agents — catch the dangerous thing before it's signed. Preflight an unsigned EVM transaction for drains, inspect EIP-712 signatures for permit-phishing, and gate agent actions by policy. Pairs with any wallet or MCP stack; ships a non-custodial wallet too. Runs locally from the chain-signer…
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.