Crypto & Web3 MCP servers

Nano Pay

Feeless402

Pay for x402-priced APIs with feeless, sub-second Nano (XNO) micropayments from a local wallet.

Onvexia: Crypto Fundamentals, Sentiment & Onchain Tracking

faraz152

Crypto fundamentals, sentiment, whale tracking and influencer call accuracy for traders and agents.

Cookin MCP

cookinfun

Solana and Pump.fun token intelligence: bundles, holder quality, KOLs, deployer history.

Reins

R2Rlabs

Risk limits and an audit log for AI agents trading Hyperliquid, enforced outside the model.

DeFi Garden

alex0xhodler

Underwritten DeFi yield discovery & goal planning for AI agents on Base & EVM.

IAMF Sentinel

jlivingston-Cipher

MCP server for the iamf-sentinel IAMF conformance validator and the iamf-loom packager

Insumer

insumerapi

Read-first blockchain verification. ECDSA-signed booleans across 37 chains. 27 tools.

Draco

drjonesxxx1

Coding & security oracle grounded in 1855 real books. Cited answers via MCP.

Technical Answer Validator

Christofer566

Rubric-based technical answer feedback for AI agents; human review required.

Statping MCP

mrfentmen

Service rollup, ports, DNS propagation and TLS chains - no API key.

Monte Carlo Backtest Validator

tylerscomic-lab

Bootstrap Monte Carlo backtest validation and prop-firm challenge pass-probability simulation.

Walk-Forward Validator

tylerscomic-lab

Walk-Forward Efficiency, parameter-stability scoring, and WFO window generation.

Watchdog

OxToF

Who can change a Solana program or EVM contract, dependency advisories, scans. Paid per call (x402).

Helius MCP

mrfentmen

Helius Solana API: balances, transactions, NFTs, token metadata.

Arweave MCP

mrfentmen

Keyless MCP server for Arweave: network info, transactions, wallet balances, storage price.

Zerodust

andresdefi

Recover stranded native gas: empty a chain's balance to exactly zero on 25 EVM chains.

Harbor Crew Cross-Chain Report

Rocket-Harbor-420

Paid read-only reports for 1–5 EVM addresses across four networks; 0.02 supported stablecoin direct.

AbaPay

investorphem

Non-custodial stablecoin bill-pay rails on Celo & Base for AI agents, settled on-chain via MCP.

Oracle3 prediction-market arbitrage checks

YichengYang-Ethan

Kalshi and Polymarket data, venue fees, no-arbitrage checks and paper execution for AI agents.

loophole tape: Solana token safety

gosadu

Solana token safety and pump.fun rug checks: free for any mint, paid depth in USDC on Solana or Base

Liquid Agent

LiquidAgent

Money tools for AI agents over x402: USDC bridge to 16 chains, Polymarket data, stocks, USDC gas.

proxy-shopping: buy anywhere with crypto through a proxy shopper

pad01g

Buy at cash-only or unsupported shops with BTC via a proxy shopper and 2-of-3 escrow, or earn as one

x402 API

fernsugi

Eight paid DeFi tools: prices, gas, swaps, token security, holders, yields, funding and wallets

matchwire.win — Mapped Prediction Markets (Kalshi, Polymarket, Predict.fun)

MatchWire-Win

One row per game, matched across Kalshi, Polymarket US/Intl and Predict.fun. Mapping only.