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.
hypeprinter007-stack/anchor-x402-mcp
MCP server Claude CodeCodexCursor +2
MCP server for anchor-x402 — 14 x402-paid agent utilities on Base + Solana. 9 commodity primitives (anchor, screen, attest, decode/tx, resolve/name, price/token, decode/calldata, parse/datetime, intel/wallet) plus 5 universal LLM endpoints (roast, oracle. Runs locally from the anchor-x402-mcp npm package. Needs 1…
MCP server Claude CodeCodexCursor +2
Pre-trade DeFi intelligence: 24 paid x402 tools incl. 6 synthesis verdicts, USDC on Base. Runs locally from the hyperd-mcp npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
MCP server for XRPL identity: DIDs, credentials, signer lists, and safe transaction workflows. Runs locally from the xrpl-identity-mcp npm package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
Self-hosted Kalshi MCP server for trading via DFlow on Solana. Runs locally from the @quantish/kalshi-server npm package. Needs 4 environment variables to run.
lordbasilaiassistant-sudo/base-multi-wallet-mcp
MCP server Claude CodeCodexCursor +2
MCP server for AI agents to manage multiple wallets with coordinated trading and batch operations on. Runs locally from the base-multi-wallet-mcp npm package.
lordbasilaiassistant-sudo/base-flash-arb-mcp
MCP server Claude CodeCodexCursor +2
MCP server for AI agents to detect flash loan arbitrage opportunities across DEXes on Base. Scan Uni. Runs locally from the base-flash-arb-mcp npm package.
lordbasilaiassistant-sudo/base-wallet-toolkit-mcp
MCP server Claude CodeCodexCursor +2
MCP server for Base wallet interactions: balances, gas, tokens, allowances, ENS. Runs locally from the base-wallet-toolkit-mcp npm package. Needs 1 environment variable to run.
lordbasilaiassistant-sudo/base-price-oracle-mcp
MCP server Claude CodeCodexCursor +2
MCP server for real-time token prices on Base from on-chain DEX pools. Runs locally from the base-price-oracle-mcp npm package. Needs 1 environment variable to run.
lordbasilaiassistant-sudo/base-token-sniper-mcp
MCP server Claude CodeCodexCursor +2
MCP server to discover and trade new token launches on Base chain. Runs locally from the base-token-sniper-mcp npm package. Needs 2 environment variables to run.
lordbasilaiassistant-sudo/broke2built-skills-mcp
MCP server Claude CodeCodexCursor +2
29 live data skills for agents: email/DNS/domain intel, web audits, EVM reads. Free tier. Runs locally from the broke2built-skills-mcp npm package. Needs 1 environment variable to run.
kinance/circle-agent-stack-mcp
MCP server Claude CodeCodexCursor +2
MCP server for Circle Agent Stack — wallet management, USDC transfers, and x402 nanopayments via tool calls. Runs locally from the circle-agent-stack-mcp npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Pay for HTTP APIs and charge for your own: x402 micropayments in USDC on Base. Remote server at x402-mcp.onrender.com.
MCP server Claude CodeCodexCursor +2
An MCP server giving AI agents access to DeFi data on EVM chains. Runs locally from the defi-mcp Python package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
22 x402 pay-per-call utility tools for AI agents — scrape, validate, embed, store, moderate, notify, convert, prevent loops. No accounts, no API keys. USDC on Base via the x402 protocol. Runs locally from the @melis-ai/x402-tools-mcp npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Multi-aggregator swap router for AI agents on Base. 10 bps fee. MCP-native, non-custodial. Remote server at swap.paladinfi.com.
notforhumansfun-rgb/not-for-humans-mcp
Skill Codex
Inspect NOT FOR HUMANS collection data, evaluate Agent Census decisions, verify provenance and authority, and prepare bounded unsigned claim or market intents through the canonical NFH MCP. Use for NFH discovery, ACCEPT/REFUSE/INSUFFICIENTAUTHORITY decisions, claim eligibility, token or trait inspection, offers…
MCP server Claude CodeCodexCursor +2
MCP server for Nerve blockchain JSON-RPC & REST API for AI Agents. Runs locally from the nerve-rpc-mcp npm package.
MCP server Claude CodeCodexCursor +2
Signed settled outcomes (Polymarket, sports) + whale signals as agent tools, paid via x402. Runs locally from the @predge/whale-data-mcp npm package. Needs 7 environment variables to run.
MCP server Claude CodeCodexCursor +2
Play provably fair games with real SOL wagering from any AI agent. Runs locally from the @razzgames/mcp-server npm package. Needs 3 environment variables to run.
re-bruce-wayne/openclaw-skills
Skill Claude CodeCodex
Solana swap execution, MEV-protected transaction submission, wallet scanning, and market-cap-based limit/trailing orders via the TradeRouter API. Use when the user wants to: swap SPL tokens on Solana (buy or sell), check wallet token holdings, submit signed transactions through an MEV-protected priority lane, place…
MCP server Claude CodeCodexCursor +2
One of 2 in server.json
Check an x402 endpoint before you pay it: verdict, risk score and what is wrong. $0.005 in USDC. Runs locally from the deadchannel-mcp npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Wash-filtered intelligence for x402: categories, services, wash analysis, trends. Remote server at api.x402.printmoneylab.com.
pythia-the-oracle/pythia-oracle-mcp
MCP server Claude CodeCodexCursor +2
Every smart contract deserves intelligence, not just data. Pythia Oracle MCP server — on-chain calculated indicators via Chainlink. Runs locally from the pythia-oracle-mcp Python package.
MCP server Claude CodeCodexCursor +2
Cryptographic identity for AI agents: W3C DIDs, Verifiable Credentials, post-quantum crypto. Runs locally from the @astracipher/core npm package.
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: