268 servers
Crypto and Web3 MCP servers
Wallets, chains, tokens, DeFi and on-chain data. Online servers come first.
Losbeto — Market Data for AI Agents
@rmartins1451Market data, LLM gateway, ML forecasts, batch+bundle, self-building catalog. USDC via x402 + MPP.
DejaBars
dejabars.comFind historical chart-pattern matches across crypto markets from a sketch.
Exepal
exepal.comPaid data tools for AI agents, pay per call in USDC via x402: AI visibility, company enrich, SERP
Compute Screener
computescreener.comGPU cloud pricing (H100, H200, B200 per hour) and AI model API pricing per 1M tokens, with history.
True Value Rankings
truevaluerankings.comCryptocurrency fundamentals for agents: TVR Scores, rankings and model-derived valuation estimates.
Agent Read Proxy
agent-read-proxy.agent-read-proxy.workers.devRead web pages and PDFs as clean Markdown for AI agents. Pay per call in USDC via x402, no API key.
DC5 WHOIS
whois.dc5.techWHOIS, RDAP, DNS, IP / ASN / CIDR and Web3 name (ENS, Unstoppable, Handshake) lookups. No API key.
DexSheet: rug checks, rug-gated swaps, crypto fees and referrals
dexsheet.comVenue picks, fees and referrals; token rug checks (SheetScore); rug-gated cross-chain agent swaps
paidfor
paidfor.devCheck an x402 seller before paying: verdict, failure rate and evidence from paid calls on Base.
Space Kitty Archive
space-kitty.comFrontier-research archive: free catalog and search; premium dossiers cost $0.20 per call via x402.
Goldsky
goldsky.comGoldsky docs: Feeds x402 pay-per-request guide, wallet APIs, datasets, Turbo, Subgraphs, Edge RPC.
Agent Discovery Board by SarnAI
sarnai.devFree directory of MCP servers and x402 APIs for AI agents. Find them, or list your own in one call.
Sato Hub: Build Onchain & Crypto Agents
satohub.aiBuild any crypto agent: x402, ERC-8004, wallets. Does a server take your key? Hosted? Maintained?
ExchangeRebel — pay-per-call APIs for AI agents (x402 on Solana)
exchangerebel.com180 pay-per-call APIs for AI agents: market, company, weather and dev tools, x402 on Solana.
Argos Bot CTS Bridge Lookup
@arcbot11Inspect ownerless Arc/Base CTS bridges and token mappings; 0.007 USDC via x402 per lookup.
402xAgent
@withgrokbotCheck an x402 endpoint before your agent pays: pay, skip or recheck, with Ed25519-signed receipts.
Grok Crypto Quant API
grok-backtest-api.fly.devBias-free crypto backtests (399 coins), signals, token scam checks. Free samples; pay via x402 USDC.
blink artifact (no account)
blinkbrosai.comPublish a temporary HTML page from your agent with no account or token; public link, 7 days.
Canvas64
canvas64.comA wall of 64 ad cells on Base: owners, prices, royalties, and purchases your own wallet signs.
GlanceDesk
glancedesk.comChecked calculators for money, tax, crypto, engineering and compliance, each with formula and source
Probity Wallet Reputation
probitylabs.aiPre-transaction risk screening for Ethereum addresses: signed score, sanctions, audit trail.
Iris
@0xVector0On-chain investigations: wallet analysis and fund tracing on Solana, EVM chains, Bitcoin and Tron.
iDos Games
idosgames.comCreate and configure cross-platform and web3 games on iDos Games: config, tokens, NFTs, AI, builds.
21btc.cc Bitcoin Data
21btc.ccLive Bitcoin price, ETF flows, treasuries, on-chain metrics, fees, derivatives & wiki search.
PolySignals.net
polysignals.netLive crypto Buy/Sell/Hold readings from prediction markets and options, plus daily trend calls.
Leal
getleal.comDesign and launch Apple Wallet and Google Wallet loyalty stamp cards for your shop, café or salon.
Toolbooth
toolbooth.ioPay-per-call tools for AI agents: Solana, DEX, perps, prediction markets, DeFi, web. USDC via x402.
BeliefState
beliefstate.aiStock research and investor research for trading agents. 16 x402 tools; data from 0.02 USDC on Base.
Wafermap
wafermap.xyzx402 layer for AI agents: 35 pay-per-call resources, x402 service discovery, USDG/USDC.
Aguasto Engineering Calculators
www.aguasto.comEducational model-memory, facility-energy and completed-token cost calculations.
PixelGust Environmental Data
pixelgust.comWeather, climate, terrain, fire and flood risk data for any point or polygon on Earth. Free tier.
BitcoinYield
bitcoinyield.coBest live crypto yield at each A-D risk grade on BTC, ETH, SOL and stablecoins, DeFi and CeFi.
PARALLAX
theparallaxagent.comRobinhood Chain stock tokens vs their Chainlink price: live gaps, pool depth, graded agent calls.
DeepCounterfeit
deepcounterfeit.comSolana pre-buy check, smart-money flow and imitation detection. Free tier; x402 pay-per-call.
Assistant Hub
rmassistanthub.ioRanked crypto setups with a graded track record, and trading skills with public records.
Permit Scouter
permitscouter.comDaily Tampa Bay, Southwest and Central Florida permits with job value and contractor. Pay via x402.
Agoreum (read only, no account)
agoreum.xyzSearch agents and services, and buy Agoreum's checks per call over x402. No account.
ATC, All Things Crypto
atcspaces.comSearch and quote every ATC show on X Spaces: crypto, markets and AI talk, with speakers and links.
noback
noback.appPublish AI-made HTML apps as shareable links that save and sync data. No account or token needed.
Crypto Derivatives Data: Perp Funding Rates, Open Interest, Basis, IV
derivs.duoleads.comPerp funding rates, open interest, futures basis, IV, liquidations, order books on 8 exchanges
Patchwire
monowire.devHourly security advisories for JS, AI and web3 packages: ranges, fixes and exploit conditions.
Realtap
@CSteenkampLive Cardano data (token prices, DEX trades, pools, wallets, NFTs, staking, governance). Read-only.
Agent Paywire library
agentpaywire.comLibrary (L402, x402, Lightning, stablecoins): 18 read-only tools plus 3 writers.
gofetch
getgofetch.devWeb page to JSON fields (by JSON Schema) for agents. Pay per call in USDC on Base via x402.
AlgoVault — Crypto Quant Trade Calls
@AlgoVaultFiThe Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.
BotsRated (beta)
botsrated.comSigned checks of x402 sellers on Base and remote MCP servers, before your agent pays.
Rack Rates
rackrates.devPublished list prices of compute (VPS, GPU hours, LLM tokens, media), archived daily. Read-only.
SimianX AI
@SimianX-AI8-agent research committee, live analysis and scored news on US stocks and crypto, for any agent.
DevX Agent Hub
agents.madebydevx.comx402 pay-per-call agent tools: token safety/honeypot check, speech to text, TTS, translate, OCR, web
send21
@send21ioCrypto pay links and API for people and AI agents. BTC, Lightning, USDC, USDT, EURC, SOL, ETH.
TorrentSwap
torrentswap.comNo-account cross-chain crypto swaps (BTC, ETH, SOL, USDT, ZEC…) for AI agents. Flat 0.5% fee.
Quant Agent Shop
quantagentshop.comSearch, filings, sanctions, company, domain, email, SEO and weather tools, paid per call over x402.
0xinsider
@0xinsiderRead-only Polymarket sports and esports data: wallet grades on settled P&L, large trades, markets.
Mlola UI
@mlolahqMlola UI components, tokens and design rules for coding agents, with a markup checker
X402-Broker Universal MCP Gateway & Multi-Agent Swarm Router
x402broker.comSingle-connection MCP gateway discovering and executing 490+ verified MCP & A2A tools.
X402-Broker Global A2A, MCP & x402 Super-Marketplace
x402broker.com1,400+ tool A2A, MCP & x402 clearinghouse with free semantic discovery and paid execution.
LCX Liberty DEX
@LCX-AGBest-route swap quotes, token search and USD prices across EVM chains. Read-only, never trades.
NameDrop
namedrop.madebydevx.comCheck, quote and register or renew Basenames (name.base.eth), paying in USDC on Base. No ETH needed.
AgentGas
agentgas.madebydevx.comQuotes, capacity and order status for buying native gas on Base/Arbitrum/Optimism/Polygon via x402.
X402-Broker Global B2A & A2A Tool Marketplace
x402broker.comAutonomous agent clearinghouse indexing 23,000+ MCP, A2A, x402 & MPP tools with instant execution.