Web3 and blockchain for Codex

4,155 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 · openai · android · docker · Go · Localization · bun · nextjs

gate-pay-x402

673

gate/gatepay-local-mcp

Skill Claude CodeCodex

Use this skill whenever the user configures Gate Pay x402 (gatepay-local-mcp), discovers merchants, or pays via 402. Trigger phrases include "x402", "402 payment", "configure wallet", "quick wallet", "Gate wallet", "plugin wallet", "merchant list", "PAYMENTMETHODPRIORITY". Build arguments from each tool's MCP…

not rated 1 3mo ago A 114 tokens

mefs-mcp-server

674

memoio/mefs-mcp-server

MCP server Claude CodeCodexCursor +2

MEFS mcp server - decentralized storage network for AI assistants. Runs locally from the mefs-mcp-server npm package.

not rated 1 6mo ago A tokens not measured original MIT

letters-mcp

675

yappermoar-boop/letters-mcp

MCP server Claude CodeCodexCursor +2

MCP server for Letters to the Future — post and read onchain messages and NFTs on Base mainnet via natural language. Runs locally from the letters-mcp npm package.

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

crypto-mcp-server

676

Diya28-mehra/crypto_mcp_server

MCP server Claude CodeCodexCursor +2

MCP server "crypto-mcp-server" as configured in Diya28-mehra/cryptomcpserver. Runs locally from the crypto-mcp-server Python package.

not rated 1 10mo ago A tokens not measured

nado-mcp

677

nadohq/nado-mcp

MCP server Claude CodeCodexCursor +2

MCP server for interacting with the Nado Protocol. Runs locally from the @nadohq/nado-mcp npm package.

not rated 1 5mo ago A tokens not measured

kaspa-mcp-server

678

moldis/mcp-kaspa

MCP server Claude CodeCodexCursor +2

MCP server "kaspa-mcp-server" as configured in moldis/mcp-kaspa. Runs locally from the kaspa-mcp-server Python package.

not rated 1 8mo ago A tokens not measured

nexustrader

679

Quantweb3-com/NexusTrader-mcp

Skill Claude CodeCodex

NexusTrader trading assistant. Query crypto balances, positions, prices, and place orders on Binance, Bybit, OKX, Bitget, HyperLiquid.

not rated 1 5mo ago A 37 tokens

binance-mcp-enhanced

680

CarlosIrineuCosta/binance-mcp-enhanced

MCP server Claude CodeCodexCursor +2

MCP server "binance-mcp-enhanced" as configured in CarlosIrineuCosta/binance-mcp-enhanced. Runs locally from the @snjyor/binance-mcp-enhanced npm package.

not rated 1 1y ago A tokens not measured original Apache-2.0

callput-option-trader

681

ayggdrasil/options_trading_base

Skill Claude CodeCodex

Compact Callput trading skill for Base L2. Enforce spread-only execution with strict validation, liquidity checks, and close/settle lifecycle rules.

not rated 1 6mo ago A 36 tokens original MIT archived

x402-cleanweb-agent

682

nohosa001-pixel/x402-cleanweb-agent

MCP server Claude CodeCodexCursor +2

Deterministic Web3 x402 Micropayment MCP & AI Agent Tool Suite with Gemini 3.6 Flash Video Intelligence on Polygon, Base, and Arbitrum. Runs locally from the x402-cleanweb-agent Python package.

not rated 1 2d ago A tokens not measured original MIT

marcosnunesmbs/mcp_coingecko_price_ts

MCP server Claude CodeCodexCursor +2

A simple Model Context Protocol (MCP) server that provides cryptocurrency pricing information using the CoinGecko API. Runs locally from the mcp_coingecko_price_ts npm package.

not rated 1 7mo ago A tokens not measured

mcp-mercado-bitcoin

684

RodrigoFlorencio86/mcp-mercado-bitcoin

MCP server Claude CodeCodexCursor +2

MCP Server for Mercado Bitcoin — trade, monitor and manage your crypto portfolio via any LLM or AI agent. Runs locally from the mcp-mercado-bitcoin npm package.

not rated 1 5mo ago A tokens not measured original MIT

mcp-coinbase

685

markswendsen-code/mcp-coinbase

MCP server Claude CodeCodexCursor +2

MCP server for Coinbase cryptocurrency — prices, portfolio, and trading. Runs locally from the @striderlabs/mcp-coinbase npm package.

not rated 1 6mo ago A tokens not measured

genskill-mcp

686

Jr-kenny/genskill-mcp

MCP server Claude CodeCodexCursor +2

An MCP server for GenLayer documentation search and live protocol RPC inspection. Runs locally from the genskill-mcp npm package.

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

evm-proxy-mcp

687

0xGval/evm-proxy-mcp

MCP server Claude CodeCodexCursor +2

MCP server "evm-proxy-mcp" as configured in 0xGval/evm-proxy-mcp. Runs locally from the evm-proxy-mcp Python package.

not rated 1 7mo ago A tokens not measured original MIT

x402-mcp-server

688

fernsugi/x402-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server for the x402 API Network — screenshot, PDF, crypto sentiment, web scraping, shallow site crawl, file conversion, web search, email, and audio transcription tools with USDC micropayments on Base. Runs locally from the x402-mcp-server npm package.

not rated 1 6mo ago A tokens not measured

mev-mcp

689

matiosera3-ops/mev-mcp

MCP server Claude CodeCodexCursor +2

MCP server for MEV-relevant on-chain data: gas price percentiles and bounded mempool watching for pending swaps. Runs locally from the mev-mcp Python package.

not rated 1 2mo ago A tokens not measured original MIT

mcp

690

agentkarmaio/mcp

MCP server Claude CodeCodexCursor +2

Turnkey MCP server for AgentKarma — the reputation layer for autonomous on-chain agents. stdio + HTTP. Run with npx @agentkarma/mcp. Runs locally from the @agentkarma/mcp npm package.

not rated 1 2mo ago A tokens not measured copy · 77% MIT

fabric-mcp-server

691

user-vik/fabric-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server for interacting with Hyperledger Fabric blockchain networks. Runs locally from the fabric-mcp-server npm package.

not rated 1 22d ago A tokens not measured original MIT

mcp

692

routemesh/routemesh-mcp

MCP server Claude CodeCodexCursor +2

RouteMesh MCP server for cross-chain RPC data and transactions. Runs locally from the @routemesh/mcp npm package.

not rated 1 3d ago A tokens not measured

find-a-paid-api

693

110kc3/seo

Skill Claude CodeCodex

Search 14,700 x402-payable HTTP endpoints by capability, chain, host and maximum price. Use when an agent needs an API it can pay for per call with USDC, wants to know what a call costs before making it, or is looking for machine-payable data sources.

not rated 1 2d ago A 64 tokens

nightgate-mcp

694

ODATANO/NIGHTGATE-MCP

MCP server Claude CodeCodexCursor +2

MCP server exposing NIGHTGATE (Midnight blockchain attestation layer) to AI agents. Runs locally from the @odatano/nightgate-mcp npm package.

not rated 1 20d ago A tokens not measured original Apache-2.0

deribit-mcp

695

freeeverett/deribit-mcp

MCP server Claude CodeCodexCursor +2

MCP server "deribit-mcp" as configured in freeeverett/deribit-mcp. Runs locally from the deribit-mcp npm package.

not rated 1 12d ago A tokens not measured copy · 100% MIT

Grok Build

696

grokloop/grokchain-mcp

Skill Claude CodeCodex

Use when a Grok bot should talk to Grok Chain via the official MCP (createaccount, grants, checkgrant, pay). Never ask for seeds or keys. Bot never holds SOL.

not rated 1 4d ago A 44 tokens original MIT

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: