Web3 and blockchain for Codex

chaelynet/chainmemory-mcp

MCP server Claude CodeCodexCursor +2

Permanent blockchain memory for AI agents. Runs locally from the chainmemory-mcp npm package. Needs 2 environment variables to run.

Verdict-Capital/verdict-finance-mcp

MCP server Claude CodeCodexCursor +2

Verdict, the due-diligence house for DeFi: keyless ratings, methodology and a hack incident feed. Runs locally from the verdict-finance-mcp npm package.

chrisgu/lobex-mcp

MCP server Claude CodeCodexCursor +2

Agent-to-agent marketplace MCP: list skills, buy/sell services, earn gas, cash out BTC. Remote server at lobex.app.

crp4222/pmq

MCP server Claude CodeCodexCursor +2

Fail-closed execution and market-data layer for Polymarket CLOB V2: local signing, confirmed fills only, fee-correct math, working deposit-wallet (POLY1271) support. Runs locally from the pmquant Python package. Needs 11 environment variables to run.

crypto-yannso/tryx402

MCP server Claude CodeCodexCursor +2

The OpenRouter for agent payments: budget router, idempotency, cost ledger, and multi-currency billing over x402. Runs locally from the tryx402 Python package. Needs 2 environment variables to run.

cryptomotifs/cipher-x402-mcp

MCP server Claude CodeCodexCursor +2

8 CIPHER tools — Solana scan, breach check, Jito, FRED, Drift, repo health, more. x402-paid on Base. Remote server at cipher-x402-mcp.vercel.app.

crytobot459/eurorwa

MCP server Claude CodeCodexCursor +2

EuroRWA analyst: tokenized money-market fund signals, snapshots, analytics and alerts. Remote server at rwa-dashboard-gamma.vercel.app.

csacanam/comprabtc

Skill Claude CodeCodex

Stack Bitcoin automatically on Celo with CompraBTC — a non-custodial DCA agent. Use this skill when a user (or your own agent wallet) wants to buy Bitcoin periodically without managing the execution: create a plan once on-chain and CompraBTC's keeper executes every installment, delivering WBTC straight to the owner's…

csacanam/lotero-core

Skill Claude CodeCodex

Play a provably fair on-chain slot machine on Base. Pay 1.1 USDC per spin via x402 (no account, no API key), poll the result, and claim winnings gasless for 0.1 USDC. Randomness by Chainlink VRF 2.5, RTP 93%, max win 30x.

csacanam/voulti

Skill Claude CodeCodex

Accept crypto payments (USDC, USDT and stablecoins) on Celo, Base, Arbitrum, Polygon and BSC with a no-auth REST API. Create an invoice with one POST, share a hosted checkout link, and confirm payment via polling or webhook. Use when a merchant or agent needs to charge in crypto, generate a payment link, sell…

daedalus/mcp-python-bitcoinlib

Skill Claude CodeCodex

MCP server exposing python-bitcoinlib functionality.

daedalusdevelopmentgroup/ddg-agent-payable-services

MCP server Claude CodeCodexCursor +2

Payment-aware MCP server + multi-framework SDK for DDG Agent-Payable Services (109 x402/direct-crypto endpoints, OpenAI-compatible gateway). Runs locally from the ddg-agent-services-mcp Python package. Needs 2 environment variables to run.

echoledger/echoledger-mcp

MCP server Claude CodeCodexCursor +2

Live LP analytics — Uniswap V2/V3, Balancer, Curve stableswap: PnL, health, slippage, depeg risk. Remote server at mcp.echoledger.ai.

dev55acc-ai/paid-mcp-metering

MCP server Claude CodeCodexCursor +2

Metered MCP tools: free discovery over MCP; per-call execution settled in USDC via x402 v2. Remote server at paid-mcp-metering-clsiojdd7-benlafreniere6-3913s-projects.vercel.app.

dingdawg/agent-wallet-demo

MCP server Claude CodeCodexCursor +2

Governed USDC wallet for AI agents — policy gates, spending caps, and Ed25519-signed receipts. Runs locally from the dingdawg-agent-wallet npm package.

dlrjsdl200-byte/mgo-mcp-server

MCP server Claude CodeCodexCursor +2

Find the cheapest EVM chain across up to 9 networks with savings %. Pay-per-call via x402 on Base. Runs locally from the chain-ops-mgo npm package.

eamwhite1/agent-trust

MCP server Claude CodeCodexCursor +2

Trustless XRPL escrow oracle for AI agents. Create jobs, verify work, release XRP/RLUSD payments. Runs locally from the @eamwhite1/agenttrust-sdk npm package.

eamwhite1/xrpl-referee

MCP server Claude CodeCodexCursor +2

Trust and payment layer for the agentic economy on the XRP Ledger. Remote server at xrpl-referee.onrender.com.

elisymlabs/elisym-mcp

MCP server Claude CodeCodexCursor +2

AI agent discovery, marketplace, messaging, and payments on Nostr — no platform, no middleman. Runs locally from the @elisym/elisym-mcp npm package. Needs 5 environment variables to run.

errick0x/hyde-mcp

MCP server Claude CodeCodexCursor +2

Discover and trade tokenize-anything coins on hyde.trade (Robinhood Chain). Non-custodial. Runs locally from the hyde-mcp npm package. Needs 1 environment variable to run.

feedoracle/-feedoracle-mcp-risk

MCP server Claude CodeCodexCursor +2

7-signal stablecoin risk scoring. 13 tools, 28+ tokens, SAFE/CAUTION/AVOID verdicts. Remote server at feedoracle.io.

fernsugi/x402-api-mcp-server

MCP server Claude CodeCodexCursor +2

DeFi data API for AI agents — pay-per-call via x402/USDC on Base. Runs locally from the @x402-api/mcp-server npm package. Needs 1 environment variable to run.

fino-oss/contract-scanner-mcp

MCP server Claude CodeCodexCursor +2

Scans Base L2 smart contracts for security risks. Risk score 0-100, detects backdoors & proxies. Runs locally from the @fino314-oss/contract-scanner-mcp npm package. Needs 1 environment variable to run.

FlatDefi/flatcash-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server for flat.cash — give your AI agent a treasury. Buy, hold, and transfer CPI-pegged FLAT with no wallet, no gas, no KYC. Runs locally from the @flatcash/mcp-server npm package. Needs 1 environment variable to run.