Crypto and Web3 MCP servers

Settled

settled.tools

Check x402 endpoints before your agent pays: payTo, paid test purchases, payee and buyer reports

Frontera Signal

fronterasignal.com

Rio Grande Valley, Texas construction data: free catalog, samples and series; paid calls via x402

Neuronto Payments: x402 facilitator and API gateway

neuronto.com

Put any API behind x402 in one call, settle USDC on Base, buy credits, find paid resources

Latitude 10 Store

latitude10.tech

Developer kits and design packs for AI agents, paid in USDC over x402. Free API readiness check.

TraderSpy

traderspy.app

AI crypto signals, whale positions, 19 technical indicators, derivatives, screener and backtests

ADEXTO

adexto.xyz

Launch, buy, stake and claim on bonding-curve token markets across five chains, with your own key.

PRUVIQ strategy verdicts (read-only)

pruviq.com

Read-only crypto strategy backtest & verification verdicts. No trading tools; every result is cited.

Verifi

verifi.cloud

Get a real human to verify, decide, or improve an AI agent's work. Pay per review via x402 on Base.

Doichain

@neubuot

Proof of existence, names and chain data of the Doichain blockchain for AI agents

Floatout

floatout.xyz

Launch a branded Hyperliquid perps and prediction market DEX. Read plans, guides and fee research.

Sirenic

sirenic.eu

Official French and European company data for AI agents, paid per call (x402) or by API key.

Vurto Swap

@cryptoconspiracy

Token swaps at the best net price on 9 EVM chains and Solana. No API key, non-custodial.

RoundWatch

@Vladyslav-webDev

Durable Algorand USDC payment monitoring for autonomous workflows.

Basis

basischarts.com

Crypto market data, 200 indicators, order flow and a chart link. No account, no API key.

HiddenSwap

hiddenswap.com

No-KYC crypto swaps, no account or email. Read-only quotes, coins, swap links, order status.

CoverBureau

coverbureau.com

Checks certificates of insurance (ACORD 25) against your requirements. Pay per call, x402 USDC.

Kristo Intelligence

@hristovdimitri2-hub

Pay-per-call DeFi intelligence for AI agents on Base — x402, USDC, no keys.

BTC DCA Engine

btcdcaengine.com

Historical dollar-cost-averaging simulator for Bitcoin and other assets.

Tokenbooks - crypto and fiat accounting and payments

tokenbooks.io

Crypto and fiat on one double-entry ledger: sync wallets, reconcile, cost basis, audit-ready close.

LocationLists

@kylehawke-stack

US business location data: search, sample, count, query rows or buy CSVs (Stripe or x402 USDC).

Vlak

@Noord-Ventures

Accessible React components, tokens, usage guidance, and install commands for product interfaces.

CryptoDataAPI

cryptodataapi.com

Live crypto market data: prices, funding, OI, liquidations, regimes, GEX, whales, sentiment, macro.

Tracepay

@soreniverson

Read-only payment state for USDC on Base/Solana (Bridge, Circle): completed, failed, or delayed.

SYNTHORA x402 Intelligence Mesh

hergertsynthora.com

Calibrated intelligence via x402 (USDC Base). ERC-8004 #84581: 272 payments, 49 wallets.

The 402 Wall

404humans.xyz

Buy and paint 10x10 pixel blocks on a billboard only AI agents can buy: $1.00 USDC via x402 on Base.

TailThemes

tailthemes.com

Search Tailwind CSS and React themes, read their tokens and source files, and get download URLs.

Frantic

gofrantic.com

A public bounty board where AI agents do paid work. USDC on Base, paid on accepted delivery.

ChangeNOW

changenow.io

Quote, create and track cross-chain crypto swaps. Non-custodial exchange, no account, no KYC.

RCQ Data Oracle

rcqsignals.com

Signed BTC and macro market intelligence for autonomous research, risk, and trading agents.

bsv.cx

bsv.cx

Timestamp & verify evidence on-chain, free. Proofpack: a portable BEEF+BUMP proof bundle per txid.

MCP x402 - Evidence-Backed Web Verification

@Diogoup26

Evidence-backed x402 web verification for AI agents, with auditable decisions for every condition.

Coin IRA Crypto Calculators

coinira.com

Historical crypto investment and retirement calculators with cited market data.

OrbitWan.io

orbitwan.io

Wanchain explorer and analytics. Premium data: prepaid credit or standard x402 (0.01 USDC/request).

Agent Einstein — Crypto & Market Intelligence

emc2ai.io

AI price forecasts, whale flows, market sentiment and prediction signals. 18 tools free, no account.

BlockchainAnalysis

blockchainanalysis.io

Compliance MCP for AI agents: sanctions & KYT screening on 50+ chains, stablecoin-freeze, oracle.

Tenjin

tenjin.blog

Search, read & publish paid essays. Pay-per-read in USDC on Base (x402); wallet-only, no account.

Solana Wallet Tracker & Alerts

loki.freedomlab.space

Solana wallet tracker & alerts: real-time activity webhooks, balances, tx history. Free.

Cybercentry Verification

cybercentry.co.uk

Twelve tools: token, wallet, contract and site security. Two free, the rest $1 in USDC over x402.

ERC-8126 Scan

cybercentry.co.uk

378k+ ERC-8004 agents and their security verifications. Two tools free, the rest USDC over x402.

AgentRoam

agentroam.ai

Buy travel eSIMs, gift cards and mobile top-ups with crypto — user confirms before any order.

Cofferline

cofferline.com

Treasury and risk controls for agent wallets: policies, quotes, prediction-market orders.

RQM Studio Jobs

rqmtechnologies.com

Delegate 20 fail-closed RQM Studio quantum work products with fixed-request x402.

RQM WaveEngine Jobs

rqmtechnologies.com

Delegate 20 typed, evidence-backed WaveEngine signal work products with fixed-request x402.

Agent Zero — ERC-8004 Trust Filter

onchainagentintel.io

Trust filter for ERC-8004: only ~3.8% of x402 endpoints hit 5+ payers/30d. Free MCP; x402 upgrade.

Agent Verification Utility

agent-economy.kgninja.dev

Deterministic JSON checks with signed evidence and x402-paid execution

DABLOCK AI Visibility Index

dablock.ai

Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.

EXVIV Competitive Intelligence

exviv.com

Reviewed competitor pricing, offer comparisons, and market-change evidence with x402 payments.

H/M Agent Surface - Free MCP Tools

hogarmas.net

Five free MCP tools, including proof-before-payment preview, plus one authorized x402 pack.

Tracea

@Chriscorp

Tracea — legal identity (Know Your Agent) for AI agents, on-chain. ERC-8004 compatible.

Chainflip Broker as a Service

chainflip-broker.io

Native cross-chain swaps: Bitcoin, Ethereum, Solana, Polkadot, Tron, Arbitrum. Quote, swap, track.

SAP MCP Server

mcp.sap.oobeprotocol.ai

Solana-native MCP gateway for SAP, DeFi tools, SNS identity, and x402 payments.

satoshidata — Bitcoin entity intelligence

satoshidata.ai

Bitcoin entity and risk-exposure evidence for AI agents; keyless MCP, no risk_check score/verdict.

AlphaCreek SEC Filings MCP

alphacreek.ai

Access SEC filings efficiently (10-K, 10-Q, etc), save time and tokens, and get cited answers.

Axiom Agentic Tools

@0xAxiom

x402-paid Base agent tools (USDC). 5 deterministic tools. No API keys. No NFT pass.

Zipp

zippfeed.com

Multi-language crypto news with editorial sentiment + importance scoring; cites original publisher.

Satoshidata Wallet Intel

@wrbtc

Bitcoin wallet intelligence for AI agents: trust, labels, tx verify, fees, and timestamps.

Avalanche AVAX MCP

@Airpote

Search and retrieve Avalanche blockchain documentation for building on AVAX.

Bitview

@bitcoinresearchkit

Read-only Bitcoin blockchain, mempool, mining, market, and on-chain analytics; no API key.

BlindPay

blindpay.com

Official BlindPay MCP server: stablecoin payouts, payins, quotes and receivers for global payments.

Willder

willder.ai

One memory for your AI agents: scoped, expiring, revocable per-agent tokens and an audit log.