AI agent tool directory
Updated
1,577 MCP servers and 607 x402 APIs (561 scored, 46 opted out as of Oct 18, 2026) from the official MCP Registry, Smithery, Coinbase x402 Bazaar and Circle. 1,920 scored so far.
Payments & cryptoSearch & web dataDeveloper toolsData & analyticsProductivity & docsAI & mediaCommerce & marketingSecurity & identityOther
2189 results, top 100 shown
| Score | Tool | Type | Host |
|---|---|---|---|
| 100 | ax1.vc resource Send a Base token contract address, get an AI-written verdict: onchain metrics, a plain-language take, and a s | x402 · $0.02 | www.ax1.vc |
| 100 | api-xpay.com ping Health check ping | x402 · $0.005 | www.api-xpay.com |
| 100 | api-xpay.com payment Payment receipt with transaction details | x402 · $0.005 | www.api-xpay.com |
| 100 | api-xpay.com time Current server time in UTC | x402 · $0.005 | www.api-xpay.com |
| 100 | crypto.apitoll.cloud price Latest crypto token prices by ticker symbol, CoinGecko id, or chain:address (BTC, ETH, SOL, or base:0x…): curr | x402 · $0.001 | crypto.apitoll.cloud |
| 100 | api.exa.ai search Exa /search endpoint | x402 · $0.007 | api.exa.ai |
| 100 | stableenrich.dev people-search FullEnrich People Search — filter by company domain/name/LinkedIn URL, seniority, title, location, skills, and | x402 · $0.15 | stableenrich.dev |
| 100 | stableupload.dev upload Buy an upload slot. Agent uploads file via returned URL. | x402 · $0.005 | stableupload.dev |
| 100 | glim.sh search Search tweets with advanced operators (recommended). Body param is `query` (not q), e.g. {"query":"from:elonmu | x402 · $0.005 | glim.sh |
| 100 | agi.apify.com prepaid-tokens Apify is the largest and most trusted marketplace of tools for web scraping, crawling, data extraction, and au | x402 · $1 | agi.apify.com |
| 100 | laso.finance get-card Get a prepaid card for use inside the United States | x402 · $5 | laso.finance |
| 100 | api.onesource.io erc20-balance ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneS | x402 · $0.003 | api.onesource.io |
| 100 | api.onesource.io block-number Latest Ethereum block height - current chain tip via eth_blockNumber | x402 · $0.001 | api.onesource.io |
| 100 | x402.botsmith.dev search X Tweet Search ($0.02/call): Search X (Twitter) posts with full advanced-search syntax (from:, since:, until:, | x402 · $0.02 | x402.botsmith.dev |
| 100 | laso.finance auth Get a Firebase ID token for authenticating with the callable APIs | x402 · $0.001 | laso.finance |
| 100 | edgar.apitoll.cloud filings Latest SEC EDGAR filings for any US-listed company by stock ticker or CIK: 10-K annual reports, 10-Q quarterly | x402 · $0.003 | edgar.apitoll.cloud |
| 100 | cheaptokens.ai buy OpenAI-compatible LLM inference and chat completions via discounted Venice API credits. Pay USDC to receive a | x402 · $1 | cheaptokens.ai |
| 100 | api.onesource.io live-balance Live wallet balance - native ETH plus up to 20 caller-supplied ERC20 tokens in one bounded RPC batch | x402 · $0.003 | api.onesource.io |
| 100 | api.402rates.com ping Payment integration check for 0.001 USDC; no external data lookup. Returns time, rail, network mode and free/p | x402 · $0.001 | api.402rates.com |
| 100 | stableenrich.dev search Exa Search - Neural search across the web | x402 · $0.01 | stableenrich.dev |
| 100 | hypernatt.com liq-radar Forced-order map. If cluster_grammar is present, read it before liq_radar. class=noise (<3%) is high-leverage | x402 · $0.001 | hypernatt.com |
| 100 | keyring-agent.blockchhub.link send-native Pay the send-native execution fee (native coin transfer) | x402 · $0.05 | keyring-agent.blockchhub.link |
| 100 | rubric-protocol.com exchange-rate Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Eac | x402 · $0.001 | rubric-protocol.com |
| 100 | ausca.com open-inbox Start one renewable random receive-only temporary email address, then wait for and read bounded inbound mail. | x402 · $0.05 | ausca.com |
| 100 | api.hyperextend.xyz latest The most-recent N OHLCV candles (≤5000). Same per-row pricing as the windowed read ($0.00001 base for main/spo | x402 · $0.002 | api.hyperextend.xyz |
| 100 | rubric-protocol.com supply Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Eac | x402 · $0.001 | rubric-protocol.com |
| 100 | vibesprings.net btc-usd Real-time BTC/USD price feed oracle. Retrieves live spot rate, 24h high/low, and volume directly from Coinbase | x402 · $0.002 | vibesprings.net |
| 100 | quartermaster.surewhynot.app gas Current Base gas prices and a simple-transfer cost estimate for transaction planning. | x402 · $0.001 | quartermaster.surewhynot.app |
| 100 | api.oblique.markets time Use when an agent needs a trusted UTC timestamp or the smallest end-to-end test of its x402 payment client. Re | x402 · $0.01 | api.oblique.markets |
| 100 | wallets-demo-seller-server.calebgcarithers.workers.dev weather Real-time current weather conditions for a city or location, including temperature, humidity, precipitation, w | x402 · $0.001 | wallets-demo-seller-server.calebgcarithers.workers.dev |
| 100 | api.exa.ai contents Exa /contents endpoint | x402 · $0.001 | api.exa.ai |
| 100 | x402tap.com weather Live current weather conditions for any city, sourced from Open-Meteo | x402 · $0.01 | x402tap.com |
| 100 | ausca.com lease-browser Lease one ordinary remote browser with standard CDP access for 10, 30, or 60 minutes. No automation, proxy, st | x402 · $0.05 | ausca.com |
| 100 | api.chit402.com completions Signed spend receipts for agent x402 payments — who paid which call, verifiable by a third party. Treasury des | x402 · $0.002 | api.chit402.com |
| 100 | ausca.com transcribe-media Speech-to-text for one immutable audio or video artifact, returning normalized text and timed segments for aud | x402 · $0.4 | ausca.com |
| 100 | vibesprings.net base-gas Base network real-time gas price oracle. Returns block base fee, current gas price in GWEI, and network block | x402 · $0.001 | vibesprings.net |
| 100 | api.oblique.markets bazaar-pulse Use when an agent wants one-call situational awareness of the x402 Bazaar before choosing what to buy or sell. | x402 · $0.002 | api.oblique.markets |
| 100 | api.oblique.markets base-block-number Use when an agent needs base block number. Returns Fetch the current Base mainnet block number from redundant | x402 · $0.002 | api.oblique.markets |
| 100 | randomfactsx402.vercel.app random-fact Returns a single random fact as JSON in exchange for a micropayment. | x402 · $0.01 | randomfactsx402.vercel.app |
| 100 | api.nansen.ai current-balance Get Address Current Balance Data | x402 · $0.01 | api.nansen.ai |
| 100 | minifetch.com url-check Cheap robots.txt preflight check before you call the Minifetch /extract and /run/seo-page-audit endpoints: ret | x402 · $0.001 | minifetch.com |
| 100 | sat.ipintel.ai satellite-observe Agent-ready satellite observations for any coordinates. Returns PNG image URLs and scene metadata for true col | x402 · $0.025 | sat.ipintel.ai |
| 100 | api.kadec0.xyz serp Web search results (SERP). Keyless web search returning ranked title, URL, and snippet for a query — with loca | x402 · $0.05 | api.kadec0.xyz |
| 100 | api.bitrefill.com detail Get a product's packages, pricing, and recipient requirements before creating an invoice. | x402 · $0.001 | api.bitrefill.com |
| 100 | horrorstoryapi.vercel.app horror-story Access the exclusive horror story collection (pay-per-read). | x402 · $0.01 | horrorstoryapi.vercel.app |
| 100 | api.nansen.ai who-bought-sold Get "Token God Mode" (TGM) who bought/sold data | x402 · $0.01 | api.nansen.ai |
| 100 | cultos.dev crypto-feed Crypto Signal Feed | x402 · $0.003 | www.cultos.dev |
| 100 | rpc.nodeflare.app x402 Base RPC (chain 8453): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no ac | x402 · $0.001 | rpc.nodeflare.app |
| 100 | agentpay.tools call Pre-trade risk check for AI agents trading crypto: live orderbook slippage at YOUR size, side-aware funding ca | x402 · $0.01 | agentpay.tools |
| 100 | stableenrich.dev people-enrich PDL Person Enrich — career history, emails, phone. Requires one of: `email`, `profile` (LinkedIn URL), or `fir | x402 · $0.28 | stableenrich.dev |
| 100 | x402.aispace.bot generate Text-to-image generation on Venice models (Flux, SD3.5, GPT-Image, HunyuanImage, and more), paid per request i | x402 · $0.015 | x402.aispace.bot |
| 100 | scvd.store spot_check Spot Check. REQUIRES ?host= on the paid request — a signed request without it is refused before the gate and n | x402 · $0.001 | scvd.store |
| 100 | stableupload.dev site Buy a site upload slot. Upload a zip file, then activate to extract and serve as a static site. | x402 · $0.005 | stableupload.dev |
| 100 | gas.apitoll.cloud gas Base gas oracle / gas price API for AI agents and bots — get the gas price for a transaction on Base in one x4 | x402 · $0.001 | gas.apitoll.cloud |
| 100 | api.kadec0.xyz papers Academic and scientific paper search API. Search research papers and scholarly literature across arXiv, PubMed | x402 · $0.02 | api.kadec0.xyz |
| 100 | keyring-agent.blockchhub.link send-token Pay the send-token execution fee (ERC-20 transfer) | x402 · $0.05 | keyring-agent.blockchhub.link |
| 100 | api.nansen.ai related-wallets Get Address Related Wallets Data | x402 · $0.01 | api.nansen.ai |
| 100 | kronossignals.com funding-extremes Crypto funding-rate extremes screener: scans all 17 perpetual futures markets (BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AV | x402 · $0.02 | kronossignals.com |
| 100 | rubric-protocol.com rubric-assert Unforgeable operating history for any AI agent attesting through TenPrint: record count, first-seen date, cont | x402 · $0.005 | rubric-protocol.com |
| 100 | x402uselessfacts.vercel.app useless-fact Pay a tiny amount of USDC and receive one delightfully useless fact. | x402 · $0.001 | x402uselessfacts.vercel.app |
| 100 | contextslim.friczero.com fetch [MCP: fetch_result] Targeted JSONPath extraction (query param mode) from cached context reference. | x402 · $0.001 | contextslim.friczero.com |
| 100 | ladyfortunalx402.vercel.app fortune Get a random fortune via x402 payment on Base mainnet. | x402 · $0.01 | ladyfortunalx402.vercel.app |
| 100 | api.loyalspark.online rewards Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va | x402 · $0.001 | api.loyalspark.online |
| 100 | api.loyalspark.online reward-status Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va | x402 · $0.001 | api.loyalspark.online |
| 100 | x402.sniperx.fun smarttraders_smartmoney Get SmartMoney trading activities on token (sorted by time descending) | x402 · $0.02 | x402.sniperx.fun |
| 100 | coinflip402.vercel.app coinflip Flip a coin for a small USDC payment on Base mainnet. Returns heads or tails. | x402 · $0.001 | coinflip402.vercel.app |
| 100 | 767-2676.com receipt Signed time-bounded witness of an agent-carried payload digest; the payload stays with the agent | x402 · $0.001 | 767-2676.com |
| 100 | x402lifeadvice.vercel.app life-advice Get one piece of thoughtful life advice, paid per request over x402. | x402 · $0.001 | x402lifeadvice.vercel.app |
| 100 | api.kadec0.xyz weather Weather forecast and air quality for any location worldwide. Returns current conditions plus a 16-day daily we | x402 · $0.005 | api.kadec0.xyz |
| 100 | kronossignals.com macro TradFi macro context for crypto traders and agents: VIX (fear gauge), DXY (US Dollar Index), US 10-Year yield, | x402 · $0.02 | kronossignals.com |
| 100 | chat.gedx402.com completions Multi-model chat completions. POST messages[] and set model to any LLM id from GET /v1/models; dynamic USDC pr | x402 · $0.005 | chat.gedx402.com |
| 100 | dicex402.vercel.app dice Roll a dice with any number of faces. Specify faces via ?faces=N query parameter. | x402 · $0.001 | dicex402.vercel.app |
| 100 | api.loyalspark.online balance Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va | x402 · $0.001 | api.loyalspark.online |
| 100 | api.printmoneylab.com kr-prices Korean exchange prices (Upbit, Bithumb) for a single token in KRW | x402 · $0.002 | api.printmoneylab.com |
| 100 | api.robinx.io new Live scored launch feed (realtime) — or add ?tier=free for the 10-min-delayed free feed, or ?tier=alpha ($0.02 | x402 · $0.01 | api.robinx.io |
| 100 | search.cyberwarex.com news Ranked news brief for any topic, refreshed every 15 minutes: the most-corroborated recent headlines, each with | x402 · $0.001 | search.cyberwarex.com |
| 100 | lionx402.com wallet-screen-json Cheapest OFAC SDN wallet screen for AI agents ($0.001). AML/KYT pre-pay gate: PASS/WARN/BLOCK before you settl | x402 · $0.001 | lionx402.com |
| 100 | brasil-dados-api.onrender.com cambio Official USD/BRL and EUR/BRL exchange rates (PTAX, Central Bank of Brazil). | x402 · $0.002 | brasil-dados-api.onrender.com |
| 100 | roastx402endpoint.vercel.app roast Pay for a lighthearted developer roast generated on-demand. | x402 · $0.0017 | roastx402endpoint.vercel.app |
| 100 | dripstack.com stock-picks Paid JSON for stock-picker calls (API V2). Bearer API key / JWT / OAuth subscribers (PRO/EXPERT) are served wi | x402 · $3 | dripstack.com |
| 100 | api.justaname.id reverse Resolves an address into its ENS reverse record on a given chain, with batch support up to 50 addresses and pe | x402 · $0.005 | api.justaname.id |
| 100 | api.stocktrends.com latest Current weekly stock analytics for equity research and pre-trade analysis. Returns the latest Stock Trends ind | x402 · $0.0035 | api.stocktrends.com |
| 100 | app.suedeai.ai image AI image generation from a text prompt. Generate album and single cover art, podcast and video thumbnails, soc | x402 · $0.15 | app.suedeai.ai |
| 100 | cars2026.vercel.app cars Educational briefing on the latest cars in 2026 (powertrains, range, pricing, and what's new). | x402 · $0.0011 | cars2026.vercel.app |
| 100 | api.justaname.id resolve Resolves an ENS name into its addresses, text records, and content hash, with batch support up to 50 names and | x402 · $0.005 | api.justaname.id |
| 100 | crypto.apitoll.cloud sentiment The Crypto Fear & Greed index: the current market-sentiment score (0–100) and its classification (Extreme Fear | x402 · $0.001 | crypto.apitoll.cloud |
| 100 | memegeneratorx402.vercel.app generate-meme Generate a captioned meme image. Pay per request in USDC on Base mainnet. | x402 · $0.001 | memegeneratorx402.vercel.app |
| 100 | x402.problocks.io ping Verify payment connectivity with USDC on Base. Returns a JSON pong and UTC timestamp after settlement. | x402 · $0.001 | x402.problocks.io |
| 100 | kronossignals.com fear-greed Crypto Fear & Greed Index: alternative.me score (0-100) plus Kronos-owned context (BTC funding sentiment, OI 1 | x402 · $0.03 | kronossignals.com |
| 100 | agents.samedaydesk.com extract Extract a public HTTP(S) page into JSON: title, description, JSON-LD, Open Graph, headings, links, and AI-read | x402 · $0.005 | agents.samedaydesk.com |
| 100 | news.apitoll.cloud news Latest crypto news and breaking headlines, real-time from Cointelegraph. Search any topic (bitcoin, ethereum, | x402 · $0.001 | news.apitoll.cloud |
| 100 | x402.aispace.bot queue Async text-to-video and image-to-video generation on Venice (WAN 3.0, Seedance 2.5, HappyHorse, and more), pai | x402 · $0.65 | x402.aispace.bot |
| 100 | theartillerist.com x402-trial Verify that an agent wallet can complete an x402 v2 payment using USDC on Base mainnet before purchasing produ | x402 · $0.001 | theartillerist.com |
| 100 | x402wordoftheday.vercel.app word-of-the-day Get today's curated Word of the Day (definition + part of speech). | x402 · $0.0015 | x402wordoftheday.vercel.app |
| 100 | api.geoprimitives.dev depth Give it a latitude and longitude and it answers with what the nautical chart says about the water there: the d | x402 · $0.005 | api.geoprimitives.dev |
| 100 | stabletravel.dev search Search cached Seats.aero award availability by origin, destination, dates, cabin, carriers, and pagination. | x402 · $0.02 | stabletravel.dev |
| 100 | chrono.schemasure.com business-time Resolve a local time to an exact UTC instant with explicit DST ambiguity handling, business-day arithmetic, pu | x402 · $0.02 | chrono.schemasure.com |
| 100 | 402timezones.vercel.app convert-timezone Convert a time between any two IANA time zones (DST-aware). Pay-per-call in USDC on Base. | x402 · $0.001 | 402timezones.vercel.app |
| 100 | laso.finance order-gift-card Order a gift card from the catalog. Browse available cards at GET /search-gift-cards. | x402 · $5.24 | laso.finance |
| 100 | agentpay.tools call Buyer-side trust oracle for the x402 marketplace: 'I need X, budget $Y — which tool is real?' Sweeps the WHOLE | x402 · $0.01 | agentpay.tools |
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