Web3 and blockchain for Codex

clevbot/merchant-check-mcp-

MCP server Claude CodeCodexCursor +2

Pre-payment merchant trust checks for x402 agents on Base and Solana. Remote server at mcp.gradientdecisions.com.

skheman2026-sketch/coinrebate-mcp-server

MCP server Claude CodeCodexCursor +2

Compliance-filtered crypto exchange fee comparison and rebate-link routing for AI agents. Runs locally from the @coinrebate/mcp-server npm package.

Hekkova/hekkova-mcp

MCP server Claude CodeCodexCursor +2

TPermanent memory layer for AI agents. Mint moments to the Polygon blockchain via MCP. Remote server at mcp.hekkova.com.

GTCC777/pulsepay-mcp

MCP server Claude CodeCodexCursor +2

One of 2 in server.json

Local agent wallet + 900 pay-per-call data APIs — free discovery, x402 USDC, code-level spend caps. Runs locally from the @pulsenetwork/mcp npm package.

Enkryptedx/xrpldashboard

MCP server Claude CodeCodexCursor +2

Read-only XRP Ledger MCP tools with proof-annotation envelopes and signed daily snapshots. Remote server at mcp.xrpldashboard.com.

forgesworn/402-mcp

MCP server Claude CodeCodexCursor +2

AI agents discover, pay for, and consume any Lightning-gated API autonomously. Runs locally from the 402-mcp npm package. Needs 2 environment variables to run.

Fibrous-Finance/fibx

MCP server Claude CodeCodexCursor +2

Swap, transfer, track a portfolio and use Aave V3 on Base, HyperEVM and Monad. Runs locally from the fibx npm package. Needs 2 environment variables to run.

mohamedkuch/utilia-solana-agent

Skill Codex

Use Utilia's wallet-funded x402 client for live Solana mainnet priority fees, failed-transaction diagnosis, token-risk inspection, and unsigned transaction simulation. Trigger when an agent needs machine-readable Solana preflight or post-transaction evidence and can pay $0.002-$0.008 USDC per call without an API key.

0xkayser/vaultvision-mcp

MCP server Claude CodeCodexCursor +2

Read-only Hyperliquid vault search, risk, drawdown, rankings, TVL, alerts, and comparisons. Remote server at vaultvision.tech.

CSOAI-ORG/crypto-tracker-ai-mcp

MCP server Claude CodeCodexCursor +2

AI-powered crypto tracker ai MCP server for agents. Supports track price, compare cryptos, calculate portfolio. By MEOK AI Labs. Runs locally from the crypto-tracker-ai-mcp Python package.

CarbonCashmere/x402-mcp

MCP server Claude CodeCodexCursor +2

177 crypto market intel endpoints with auto x402 USDC micropayments from your AI agent. Runs locally from the @carbon-cashmere/x402-mcp npm package. Needs 3 environment variables to run.

CryptoAPIs-io/cryptoapis-mcp-address-history

MCP server Claude CodeCodexCursor +2

MCP server for full transaction and token history on EVM and UTXO addresses via Crypto APIs. Runs locally from the @cryptoapis-io/mcp-address-history npm package. Needs 1 environment variable to run.

CryptoAPIs-io/cryptoapis-mcp-prepare-transactions

MCP server Claude CodeCodexCursor +2

MCP server for building unsigned transactions on EVM, Tezos, Solana, Kaspa, XRP, UTXO, Tron. Runs locally from the @cryptoapis-io/mcp-prepare-transactions npm package. Needs 1 environment variable to run.

DV1-321/scalpstream-mcp

MCP server Claude CodeCodexCursor +2

MCP server "scalpstream-mcp" as configured in DV1-321/scalpstream-mcp. Runs in Docker (ghcr.io/dv1-321/scalpstream-mcp:v0.1.3). Needs 3 environment variables to run.

Growi-DeFi/mcp-growi

MCP server Claude CodeCodexCursor +2

MCP server for Growi Finance — programmatic interaction with the GrowiHFVault on Arbitrum. Runs locally from the mcp-growi npm package.

Syronius/cryptair-mcp-server

MCP server Claude CodeCodexCursor +2

Tamper-evident attestation tools for AI agents — on-chain receipts on Hedera Hashgraph mainnet. Runs locally from the @cryptair/mcp-server npm package. Needs 3 environment variables to run.

Travisswop/swop-mcp

MCP server Claude CodeCodexCursor +2

Swop.id profiles, wallet addresses, and live prediction markets with real-time prices. Remote server at swop-mcp.vercel.app.

Rotwang9000/flashbank-net

MCP server Claude CodeCodexCursor +2

Fixed-fee P2P term loans (no oracles) and flash loans on Ethereum, Base, Arbitrum and Sepolia. Runs locally from the @flashbank/mcp npm package. Needs 3 environment variables to run.

Tsubaki414/toolfi

Skill Claude CodeCodex

An OpenClaw skill that lets AI agents discover, publish, and pay for tools using testnet USDC on Base Sepolia. Think "app store for agent tools" with on-chain payment settlement.

UnityNodes/ccpedia

MCP server Claude CodeCodexCursor +2

Canton Network: CIPs and their on-chain vote outcomes, docs, forum, validator upgrade deadlines. Remote server at ccpedia.xyz.

XRPL-Utilities/xrpl-utilities-mcp

MCP server Claude CodeCodexCursor +2

XRPL data tools for AI agents: wallet classifier, signals, RWA tracker, ETF flows. Pay via x402. Runs locally from the @xrpl-utilities/mcp npm package.

api-jarvisclaw/jarvisclaw-mcp

MCP server Claude CodeCodexCursor +2

320 AI models + 2,720 pay-per-call APIs. x402 USDC on Base or Solana, no API key. Runs locally from the jarvisclaw-mcp npm package.

armandocodecr/latam-ramp-kit

Skill Claude CodeCodex

Integrate or explain the LATAM Ramp Kit (@ramp-kit/core, @ramp-kit/react, @ramp-kit/server, @ramp-kit/mcp) — fiat on/off-ramps for Latin America on Stellar via Etherfuse and Manteca, covering BRL/PIX, MXN/SPEI, ARS and CLP deposits plus payouts across 11 countries (COP, PEN, GTQ, CRC, BOB, PUSD, PHP). Use when the…

blocklens/blocklens-mcp-server

MCP server Claude CodeCodexCursor +2

Bitcoin on-chain analytics — 109 metrics: MVRV, SOPR, NUPL, HODL Waves, CDD, cycles & more. Runs locally from the blocklens-mcp-server npm package. Needs 1 environment variable to run.