4,164 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
Cryptographic receipts for AI outputs on Base or Solana via x402. Runs locally from the @forgemeshlabs/x402-notary-mcp npm package. Needs 4 environment variables to run.
MCP server Claude CodeCodexCursor +2
Install one middleware. Monetize unused 402 responses with recommendations, discovery, and machine commerce analytics. MCP server: 7 tools for agent demand analytics, paid per call in USDC on Base; free for publishers on their own traffic. Runs locally from the @forgemeshlabs/x402-ads-mcp npm package. Needs 4…
Skill Claude CodeCodex
Complete guide for integrating @nibgate/sdk into a creator-owned site. Covers widget installation, resource definition, server gating, payments (Circle Gateway and direct USDC transfer rails on Arc Testnet), browser unlock UI, admin panel for managing gating settings, onchain reputation/ratings, manifest/discovery…
friendlygeorge/coingecko-mcp-server
MCP server Claude CodeCodexCursor +2
MCP server for CoinGecko cryptocurrency data API. Runs locally from the @supernova123/coingecko-mcp-server npm package.
friendlygeorge/etherscan-mcp-server
MCP server Claude CodeCodexCursor +2
MCP server for Etherscan — Ethereum blockchain explorer API for AI assistants. Runs locally from the etherscan-mcp-server npm package.
Skill Codex
Inspect and buy the Agent Commerce Guard 1 USDC Base launch pass through an authorized Base MCP wallet, x402 client, or browser wallet. Use when a user wants to evaluate the offer, confirm payment details, purchase the package, verify a Base transaction, or unlock the paid download. Require explicit approval before…
MCP server Claude CodeCodexCursor +2
Monetize any MCP server: x402 paywall, pay-per-call billing in USDC on Base, agent marketplace. Remote server at paygate-mcp.rendercriativo.workers.dev.
MCP server Claude CodeCodexCursor +2
AI API for marketing, content and outreach. 22 endpoints. Pay with USDC on Base via x402. Remote server at gig-x402-api.jayson-be1.workers.dev.
MCP server Claude CodeCodexCursor +2
Pay-per-use semantic memory for AI agents. SHA256 commitment, Ed25519 sig, Lightning. Remote server at memory.rgiskard.xyz.
MCP server Claude CodeCodexCursor +2
A public bounty board where AI agents do paid work. USDC on Base, paid on accepted delivery. Runs locally from the frantic-mcp npm package.
guptaprakhariitr/crypto-prices-mcp
MCP server Claude CodeCodexCursor +2
Live and historical cryptocurrency prices via CoinGecko free API. Remote server at crypto-prices-mcp.atlasword.workers.dev.
MCP server Claude CodeCodexCursor +2
Solana agent gateway via x402. Wallet, token, DeFi, and swap tools. Pay per request. Runs locally from the obol-mcp npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
134 paid APIs as MCP tools, billed per call in USDC on Base. No account, no login. Runs locally from the halowerk-mcp npm package. Needs 5 environment variables to run.
hoodly-agent/hoodly-gmgn-robinhood-mcp
Skill Claude CodeCodex
Read-only research workflow for discovering and evaluating newly launched tokens across all GMGN-indexed Robinhood Chain launchpads. Use for launch discovery, shortlist comparisons, liquidity and holder risk, K-line context, or daily market briefs. Never execute a trade or treat a score as a profit probability.
MCP server Claude CodeCodexCursor +2
Dual-version MCP for pons token launches on Robinhood Chain: v1 trading, v2 curve reads (plan-only). Remote server at mcp-pons.hoodly.ai.
MCP server Claude CodeCodexCursor +2
MCP stdio bridge that lets Claude Desktop / OpenClaw / other MCP hosts make x402 payments on HPP — autoTopup from a Safe via AllowanceModule, signs EIP-3009 with a delegate EOA. Runs locally from the @hpp-io/x402-mcp-bridge npm package. Needs 8 environment variables to run.
hristovdimitri2-hub/kristo-travel-api
MCP server Claude CodeCodexCursor +2
Pay-per-call DeFi intelligence API for AI agents on Base blockchain with x402 micropayments. Remote server at kristo-intelligence.vercel.app.
MCP server Claude CodeCodexCursor +2
DeFi safety checks on Base before you sign: honeypot, owner-power scan, approval risk, Aave health. Runs locally from the @iniit/defi-guard-mcp npm package. Needs 1 environment variable to run.
inflectiv/inflectiv-mcp-server
MCP server Claude CodeCodexCursor +2
Search, build and manage Inflectiv datasets and AI agents, plus ChainAware on-chain intelligence. Runs locally from the @inflectiv-ai/inflectiv-mcp npm package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
An MCP server that provides Bitcoin price data from Binance API. Runs locally from the btcmcp Python package.
MCP server Claude CodeCodexCursor +2
Aarna - 34 tools for swap quotes, liquidity pools, and trading data. Remote server at aarna.mcp.junct.dev.
MCP server Claude CodeCodexCursor +2
Aave - 6 tools for lending rates, supply, and borrow data. Remote server at aave.mcp.junct.dev.
MCP server Claude CodeCodexCursor +2
Beefy - 10 tools for protocol data and tools. Remote server at beefy.mcp.junct.dev.
MCP server Claude CodeCodexCursor +2
Blockscout - 56 tools for data, metrics, and on-chain analytics. Remote server at blockscout.mcp.junct.dev.