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x402 Servers

217 servers tagged with "x402"

Run402 Mcp

MCP server for Run402 — AI-native Postgres + REST + auth + storage + static sites. Pay with x402 USDC on Base. No signups.

Developer ToolsMIT

Apibase

Universal MCP gateway for AI agents — 1108 tools, 307 providers. One endpoint (https://apibase.pro/mcp), pay-per-call with x402 USDC on Base + MPP USDC on Tempo.

Web APIsMIT

Storyflo Mcp

Official Storyflo MCP server — install + discovery reference. The Storyflo platform is proprietary; this repo is the public agent integration surface.

Developer ToolsMIT

Pqs Mcp Server

The world's first named AI prompt quality score. Score any LLM prompt before it hits any model — returns grade (A-F), score out of 40, percentile, and dimension breakdown across 8 quality dimensions.

Developer ToolsMIT

X402search Mcp

Search 13,000+ x402-enabled APIs from your AI agent. Powered by x402search.xyz

Search & Retrievalunknown

Mcp Server Gatefareio

MCP server for Gatefare — discover, buy, and publish paid APIs (x402 over USDC on Base) from Claude, Cursor, and any AI agent.

Developer ToolsMIT

Conway

APIMesh — 23 pay-per-call web analysis APIs + 16-tool MCP server with autonomous API generation. Security audits, SEO, tech stack detection. x402 + Stripe MPP payments.

Developer ToolsMIT

Payflow

A toolkit for building micropayment-gated MCP servers

Developer ToolsMIT

X402mail

Python SDK for x402mail - send and receive email with USDC micropayments

Ai AgentsMIT

Agirails Mcp Server

MCP server for AGIRAILS — agent payments, discovery, escrow, and settlement from any AI context window

Ai AgentsApache-2.0

Travel Mcp

500+ travel APIs for AI agents — flights, hotels, destinations. Pay per call with USDC via x402.

Developer Toolsunknown

Dominion Observatory

Dominion Observatory is an MCP server on MCP.so — view details, tools, and install instructions.

Developer Toolsunknown

Stockfilm Mcp

Search and license 217,000+ authentic vintage 8mm home movie clips from the 1930s-1980s. Remote MCP server with 6 tools over Streamable HTTP. Text search, visual

Financeunknown

Goldbean

Baidu AI for AI agents — OCR, TTS, LLM. 47 endpoints (26 paid + 21 free). No API key. Pay per call with USDC.

Developer Toolsunknown

402found

402found MCP server enables seamless integration between AI agents and external services. Built on the Model Context Protocol, it provides standardized access to tools and data for AI-powered workflows.

Developer Toolsunknown

Fiatdock

A marketplace where AI agents discover and pay each other per call in USDC over x402 - settlement goes DIRECTLY to the seller's wallet, so there are no accounts, no API keys and no subscriptions. Buy from 24 live MCP ser

Developer ToolsMIT

Deskcrew Mcp

Agent-native helpdesk. AI agents operate a support desk over MCP and **pay per action in USDC via x402** (HTTP 402) — no account, no API key. Reads (KB/changelog search) are free; write/AI tools are **$0.02–$0.06** per call, settled across Base, Polygon, Avalanche, Sei, and Solan

Developer Toolsunknown

Pincerpay

On-chain USDC payment gateway for AI agents. x402 protocol.

Developer ToolsMIT

Xenarch Mcp

x402 MCP server for AI agent payments. Gasless USDC micropayments on Base L2. Claude, Cursor, LangChain, CrewAI, AutoGen, LangGraph resolve HTTP 402 with no API keys. Non-custodial, settlement-provider-agnostic, 0% fee.

Developer ToolsMIT

Piprail

Hand any AI agent a budget-capped wallet to pay, discover & register x402 payment-gated URLs across every chain. Local, self-custodial, no backend, no fee.

Ai Agentsunknown

Nodusai Mcp

AI-Powered Signals for Prediction Markets — accessible to any AI agent via MCP.

Ai AgentsMIT

X402 Park Juhwan

Precision calculators for AI agents (medical, finance, engineering, tax, physics). Pay-per-call in USDC via x402 on Base. No API keys.

Developer Toolsunknown

Agentbodega

AgentBodega MCP gives agents a free discovery and handoff layer for AgentBodega's paid x402 HTTP resources. Agents can search available services, compare endpoint prices, inspect accepted and required inputs, review output examples, and generate curl/JavaScript call snippets. Pai

Ai Agentsunknown

Docimprint

Verifiable document intelligence for AI agents. Extract, summarize, translate, claim-check, and notarize PDFs & URLs. Evidence bundles with cryptographic proofs and on-chain attestation. 20 MCP tools.

Developer Toolsunknown

Spraay X402 Mcp

MCP server for the Spraay x402 Gateway — connects Claude Desktop, Cursor, or any MCP client to onchain data, AI models, and batch payments on Base mainnet. AI agents pay USDC per request via the x402 protocol. No API keys. No accounts.

Developer Toolsunknown

Color Palette X402

MCP server for generating color palettes — complementary, analogous, triadic, split-complementary schemes from any base color. Returns HEX, RGB, HSL values. Pay-per-use via x402 protocol (USDC on Base). Use this when you need design color schemes.

Developer Toolsunknown

Cloaked

Give AI agents spending power without giving them your wallet keys. Cloaked creates on-chain spending accounts with enforced constraints that agents cannot bypass - even if jailbroken or compromised.

Developer Toolsunknown

X402 Trust Mcp

x402-trust gives AI agents a "check before you pay" layer for the x402 ecosystem.

Developer Toolsunknown

402.Bot Public

Read-only remote MCP server for discovering live agent APIs, searching ranked endpoints by capability and network, and inspecting trust and x402 payment telemetry.

Developer Toolsunknown

Apiosk Mcp

Official MCP server for discovering, paying for, and publishing APIs through the Apiosk gateway. AI agents can browse the API catalog, execute any listing through a uniform contract or API-specific tools, and settle paid calls automatically over USDC (x402 on Base), no manual pay

Web APIsunknown

Ai Hunterz Mcp

9 autonomous crypto intelligence tools paid via x402 USDC on Base. Whale alerts, DeFi yields, GODMODE agents ($25-$500), narrative detection, liquidation prediction and more. Any AI agent can discover and pay autonomously.

Ai Agentsunknown

X402 Btc Node

Bitcoin blockchain data server for AI agents — 17 tools (fees, mempool, transactions, address portfolio, trace, whales, SEC insider trades, web scraping, AI summarization, systems theory, game theory, capital flows, Reddit). x402 USDC micropayments on Base. No API keys needed.

Developer Toolsunknown

Web Search X402

Web search API for AI agents. Structured results with title, URL, snippet. Current news, docs, research. Up to 10 results per query. -- x402 micropayment API + MCP server for AI agents

Search & RetrievalMIT

Ai Agent

9 AI tools — sentiment, research, contract analysis, code review, data enrichment. Pay-per-call in USDC on Base via x402. No API keys, no subscriptions.

Ai Agentsunknown

Marketnow

The trust layer for agent commerce. 8,560 MCP-compatible skills with Sentinel L2 security audits, x402 payments (HTTP 402 + USDC on Base), and AP2 delegated mandates with human-in-the-loop by default.

Marketingunknown

Cortex402

Pay-per-call x402 data products on Base mainnet — sanctions, aviation weather, US property dossier

Developer Toolsunknown

Solana Fees X402

Solana priority fee estimates at 6 levels (min to max). Essential for every Solana transaction. -- x402 micropayment API + MCP server for AI agents

Developer ToolsMIT

Airdrop Checker X402

Check wallet eligibility for active crypto airdrops -- token, value, deadline, claim URL via Etherscan. -- x402 micropayment API + MCP server for AI agents

Ai AgentsMIT

Email Finder X402

Find professional email addresses from name + company domain. Tests 15+ patterns against MX records with confidence scoring. -- x402 micropayment API + MCP server for AI agents

Ai AgentsMIT

Phone Validation X402

x402 micropayment API for AI agents. Validates and formats phone numbers. Pay per call with USDC on Base.

Developer Toolsunknown

Funding Rates X402

x402 micropayment API for AI agents. Tracks perpetual futures funding rates. Pay per call with USDC on Base.

Developer Toolsunknown

Hyperliquid Data X402

x402 micropayment API for AI agents. Fetches Hyperliquid exchange market data. Pay per call with USDC on Base.

Developer Toolsunknown

Language Detector X402

x402 micropayment API for AI agents. Detects the language of any text. Pay per call with USDC on Base.

Developer Toolsunknown

Ai Summarizer X402

AI-powered text and URL summarizer -- key points, compression ratio, reading time -- x402 micropayment API + MCP server for AI agents

Ai Agentsunknown

Domain Intelligence X402

x402 micropayment API for AI agents. Domain WHOIS and intelligence lookup. Pay per call with USDC on Base.

Ai Agentsunknown

Jupiter Quotes X402

x402 micropayment API for AI agents. Gets Solana DEX quotes via Jupiter aggregator. Pay per call with USDC on Base.

Developer Toolsunknown

Mcp Dev Brasil

37 MCP servers for agentic commerce and Brazilian services. Stripe ACP, x402 (Coinbase), AP2 (Google), Google UCP, plus 14 Brazilian payment rails, fiscal, banking, communication, logistics, ERP, identity, and crypto APIs. ~480 tools. Supports stdio and Streamable HTTP. Published

Developer Toolsunknown

Mcp Botwallet Co

Give your AI agent financial autonomy without giving up control.

Developer Toolsunknown

Hash Generator X402

MCP server for generating cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512, RIPEMD-160). Pay-per-use via x402 protocol (USDC on Base). Use this when you need to hash strings, verify data integrity, or generate checksums.

Developer Toolsunknown

Orderbook Depth X402

x402 micropayment API for AI agents. Analyzes exchange orderbook depth. Pay per call with USDC on Base.

Developer Toolsunknown

Sms Validator X402

Validate SMS-capable phone numbers -- mobile vs landline detection, carrier type, E.164 format, SMS readiness. -- x402 micropayment API + MCP server for AI agents

Developer ToolsMIT

Project A2a

A discovery hub for AI agents navigating the x402 micropayment ecosystem. A single get_capabilities call returns the full service manifest — endpoint URLs, supported input/output formats, x402 payment details, and free trial endpoints for every live agent in the network. Use this

Developer Toolsunknown

Web3 Signals Mcp

AI-powered crypto signal intelligence. Fuses 6 AI agent dimensions (whale tracking, technical analysis, derivatives, narrative sentiment, market structure, trend) into scored signals for 20 crypto assets. Updated every 15 minutes with LLM-generated insights.

Search & Retrievalunknown

Easy Predict

Predict the next value in a numeric series or detect anomalies via z-score. $0.01 USDC per call on Base via x402 micropayments. No API keys or accounts needed.

Developer Toolsunknown

Project Classifier

Classify text or JSON input into structured categories using Claude AI — with no setup, no API keys, and no credentials required. Connect directly and start classifying immediately.

Developer Toolsunknown

Password Strength X402

x402 micropayment API for AI agents. Evaluates password strength and security. Pay per call with USDC on Base.

File Systemunknown

Eliza Plugin

Earn from your distribution or buy ad reach.

Developer Toolsunknown

Commerce Mcp

Access 2,300+ e-commerce and retail APIs through a single MCP. Look up barcodes and UPC codes, search Walmart and eBay products, parse product pages, and more. Pay-per-call in USDC via x402 on Base — no API keys, no subscriptions.

Developer Toolsunknown

Webhook Tester X402

x402 micropayment API for AI agents. Tests and inspects webhook payloads. Pay per call with USDC on Base.

Search & Retrievalunknown

Agenttoolscollection

Discover agent-callable resources by intent — x402 paid services, MCP servers and A2A agents — via the agent-tools.cloud directory. 9 tools: search/get/list_categories (x402), search_mcp_servers/get_mcp_server, search_agents/get_agent, search_all, stats.

Ai Agentsunknown

Fact Checker X402

x402 micropayment API for AI agents. Fact-check claims by searching multiple web sources. Pay per call with USDC on Base.

Developer Toolsunknown

Gocreative Mcp

GoCreative is a keyless, pay-per-call compliance & regulated-data API for AI agents. OFAC crypto-wallet screening, sanctions/PEP/watchlist screening, KYB business verification, entity risk and vendor dossiers, plus SEC EDGAR filings, FRED economics, FDA recalls and federal contra

Developer Toolsunknown

Mcp Agentmetal

Provision, SSH into, run commands on, and manage Linux VPSes from an AI agent. Pay USDC over x402 (Base) or by card over HTTP 402, with a running box in under 60 seconds. No signup, no API key to buy. Includes get_catalog, provision_server, get_server, list_servers, extend_server

Ai Agentsunknown

Mcp Server Security Snapshot

An MCP server that gives Claude and other AI agents the ability to audit any public URL's HTTP security headers.

Securityunknown

Agentfeed

Agentfeed is an open-source MCP server that gives AI assistants access to specialized functionality. Compatible with Claude Desktop, Cursor, and other MCP clients for enhanced AI agent workflows.

Ai Agentsunknown

Ordersofmagnitudellc

1000+ pay-per-call API endpoints across finance, weather, geography, economic data, agent infrastructure (memory, coordination, secrets, simulation, verification), and NS compute. Payments via x402 protocol on Base/USDC.

Developer Toolsunknown

Meeting Mcp

AI scheduling assistant for agents. Timezone conversion, public holidays for 100+ countries, business hours checker, multi-timezone meeting slot finder, and Google Calendar event creation. x402 native — pay $0.01 per call, no signup needed. Works with Claude, ChatGPT, Cursor and

Developer Toolsunknown

Agentnews Plugin

The frontpage of the agentic internet. Read the feed, search posts, submit posts, vote, and comment.

Ai Agentsunknown

X402

Know what the market is actually doing — not just price. Live orderflow from 20 exchanges across Bitcoin, Ethereum, Solana, XRP, BNB, Dogecoin, Avalanche, Cardano, Chainlink, and 15 more tokens. Directional regime detection, 7 years of OHLCV with orderflow baked in, on-chain addr

Developer Toolsunknown

Askew Mcp

MCP wrapper for Askew's x402 endpoints — 8 tools (3 free, 5 paid in USDC on Base): live DeFi yield comparison, SOL/ATOM staking routing, agent-economy research search, Guardian security threat intel, and a combined strategic feed.

Developer Toolsunknown

Coinrailz Agent

Multi-chain x402 micropayment infrastructure for AI agents. 66 pay-per-call API services — crypto analytics, trading signals, smart contract audits, NASA/ESA satellite data, prediction markets, IoT/DePIN, and AI inference. Pay USDC on Base or Solana, $0.05–$10.00 per request. Inc

Ai Agentsunknown

Pii Detector X402

Detect PII in text: emails, phones, SSNs, credit cards, IPs, addresses. Regex-based. -- x402 micropayment API + MCP server for AI agents

Developer ToolsMIT

Agent Exchange

Pay-per-call x402 data APIs for AI agents, exposed over MCP. Multi-source web search (Hacker News + GitHub + Stack Overflow + Wikipedia in one call), multi-chain on-chain reads (balance, gas, tx across Base/Ethereum/Optimism/Arbitrum/Polygon), token rug-check, live DEX data, and

Ai Agentsunknown

Mcp Toadlybroodle

The best curated L402 + x402 API directory. Find, rate, and connect to paid APIs via Lightning (L402) or USDC on Base (x402). Discover 200+ reviewed, verified, paid, and live services, curated and tested via https://satring.com

Developer Toolsunknown

Address Validator X402

x402 micropayment API for AI agents. Validates postal addresses worldwide. Pay per call with USDC on Base.

Developer Toolsunknown

Sasame Mcp

Free AI research/OCR + agent-economy discovery tools (120+ tools, no-auth), includes engage_sasame to commission SaSame to build MCP/Claude/RAG/agents, full deliverables pay-per-call via x402

Developer Toolsunknown

Inferventis Tools

Production MCP server with 9 financial and web tools — live on Google Cloud Run. Free tools include live FX rates, crypto prices, financial calculations, real-time news headlines, and URL reading. Paid tools (API key required) cover stock quotes, open banking transactions, and St

Developer Toolsunknown

Agentcrush App

Protocol-neutral market intelligence for the AI agent economy. Multi-signal ranking of AI agents across 4 category methodologies (model families, tokenized, service, developer). 7 read-only MCP tools. Free, no auth, 60 req/min.

Ai Agentsunknown

Clicks Protocol

Autonomous DeFi yield for AI agents on Base. Auto-splits USDC 80/20: 80% liquid, 20% earning via Morpho (~13% APY) or Aave V3. No lockup. 9 MCP tools, SDK, HTTP API.

Developer Toolsunknown

Ocr Extract X402

x402 micropayment API for AI agents. Extract text from images using OCR. Supports URL or base64 input. Pay per call with USDC on Base.

Developer Toolsunknown

Daedal Map

Remote MCP server for geographic data — earthquakes, tsunamis, volcanoes, hurricanes, floods, tornadoes, FX rates, UN SDG, World Factbook, WorldPop. Free discovery + free packs; earthquakes & tsunamis paid via x402 on Base USDC. Start with get_catalog, then get_pack.

Developer Toolsunknown

Getmycert Mcp

Get AI-powered IT certification practice questions via MCP. Supports 50+ certs (AWS, CompTIA, Cisco, Azure, GCP). Uses x402 HTTP micropayments (~$0.01 USDC per request) on Base network — no subscription needed. Pass an optional API key to skip payment. Built on Supabase Edge Func

Developer Toolsunknown

Sdk

575+ pay-per-call tools for AI agents: ground-truth data, AI gateway, and agent infra. x402 USDC, no keys, upto usage billing.

Developer Toolsunknown

Regex Generator X402

x402 micropayment API for AI agents. Generates regex patterns from descriptions. Pay per call with USDC on Base.

Developer Toolsunknown

X402 Agent Store

Pay-per-call x402 MCP data layer for AI agents. One endpoint, no API keys, USDC settlement on Base.

Ai Agentsunknown

Email Send X402

x402 micropayment API for AI agents. Send emails programmatically. Supports text and HTML body. Pay per call with USDC on Base.

Ai Agentsunknown

Agentoracle Mcp

Agentoracle is an MCP server on MCP.so — view details, tools, and install instructions.

Ai Agentsunknown

Web Scraper X402

Extract clean markdown from any URL. Strips nav/ads/scripts, returns structured content. Built for RAG pipelines and AI research agents. -- x402 micropayment API + MCP server for AI agents

Search & RetrievalMIT

A2a X402

The A2A x402 Extension brings cryptocurrency payments to the Agent-to-Agent (A2A) protocol, enabling agents to monetize their services through on-chain payments. This extension revives the spirit of HTTP 402 "Payment Required" for the decentralized agent ecosystem.

Developer ToolsApache-2.0

Gocreative Agent Api

GoCreative gives AI agents 385+ pay-per-call tools in one MCP — sanctions & PEP screening, KYB, OFAC crypto-wallet checks, company & contact enrichment, SEC/FRED/market data, crypto & DeFi, multi-platform web search, prediction-market odds and more. Keyless: agents pay per call i

Ai Agentsunknown

Json Validator X402

x402 micropayment API for AI agents. Validates and formats JSON data. Pay per call with USDC on Base.

Developer Toolsunknown

Token Ohlcv X402

Historical OHLCV candles for any token -- daily, 4h, 1h intervals. CoinGecko + GeckoTerminal powered. -- x402 micropayment API + MCP server for AI agents

Developer ToolsMIT

Verity Mcp

VerityLayer — fail-closed verify-before-you-act trust gate for AI agents. 5 tools: verify_fact, detect_injection, moderate_content, redact_pii, guard_action. Keyless, pay-per-call via x402 (USDC on Base); every verdict ships an Ed25519-signed receipt. Run: npx -y @veritylayer/mcp

Developer Toolsunknown

Liveauth Mcp

LiveAuth MCP Server gives AI agents cryptographic proof-of-work + Lightning

Securityunknown

Person Enrichment X402

Person enrichment from email. Full name, job title, company, LinkedIn, GitHub, Twitter, avatar, location. Ideal for lead research. -- x402 micropayment API + MCP server for AI agents

Developer ToolsMIT

Hyperliquid Whales X402

x402 micropayment API for AI agents. Tracks whale activity on Hyperliquid. Pay per call with USDC on Base.

Developer Toolsunknown

Moltpe Agent Payments

AI-native payment infrastructure that gives AI agents isolated wallets with programmable spending policies for autonomous USDC stablecoin transactions. 11 MCP tools for Claude Desktop, Cursor, and Windsurf. Tri-rail support: x402 (HTTP-native micropayments), MPP (session-based st

Ai Agentsunknown

Solana Launches X402

x402 micropayment API for AI agents. Tracks new token launches on Solana. Pay per call with USDC on Base.

Developer Toolsunknown

Squeezeos

Institutional AI market intelligence for autonomous agents. Real-time squeeze scanner, options flow, IWM 0DTE analysis, multi-engine AI council verdicts, peer signal marketplace, agent hiring protocol, prediction futures market, and agent-to-agent conditional settlement. Pay-per-

Developer Toolsunknown

Defi Yields X402

x402 micropayment API for AI agents. Tracks DeFi yield farming opportunities. Pay per call with USDC on Base.

Developer Toolsunknown

Xrpl Utilities Mcp

MCP server for the XRPL-Utilities portfolio. 11 tools across four services:

Developer Toolsunknown

Keyword Research X402

SEO keyword research via Google Suggest with intent scoring and long-tail discovery. -- x402 micropayment API + MCP server for AI agents

Search & RetrievalMIT

Agentpay Mcp

The MCP server that lets your AI agent pay for APIs safely. Human-approval mode, on-chain spend caps, full audit trail. 23 tools for payments, wallet management, DeFi, and identity. Works with Claude, Cursor, Windsurf, and any MCP client.

Ai Agentsunknown

Image Generator X402

x402 micropayment API for AI agents. Generate images from text prompts using Google Gemini. Pay per call with USDC on Base.

Mediaunknown

Agentradar Mcp

Trust scoring, scam detection, and EAS attestations for ERC-8004 + x402 agents on Base.

Ai Agentsunknown

Tensorfeed X402 Base Mcp

Read-only Base mainnet chain reader for x402 payment verification. Confirms on-chain that a USDC settlement matches a claimed x402 receipt (recipient and amount), parses publisher /.well-known/x402 manifests, and lists recent USDC payments to an address. No private keys, verifica

Developer Toolsunknown

X402 Mcp Bridge

Gasless x402 payments for MCP agents on HPP — discover and pay for services per call, within a spend cap.

Developer Toolsunknown

Wallet Portfolio X402

MCP server for crypto wallet portfolio analysis — token balances, USD valuations, multi-chain support (Ethereum, Polygon, Arbitrum, Base, BSC, Optimism). Pay-per-use via x402 protocol (USDC on Base). Use this when you need to check wallet holdings across chains.

Developer Toolsunknown

Sentiment Analyzer X402

x402 micropayment API for AI agents. Analyzes text sentiment and emotions. Pay per call with USDC on Base.

Developer Toolsunknown

Hyperd Mcp

Pre-trade DeFi intelligence for AI agents on Base. 20 paid x402 endpoints - wallet risk, token security, cross-protocol liquidation health (Aave V3 / Compound v3 / Spark / Morpho), portfolio P&L, DEX quote aggregation, governance LLM summaries, sentiment, and a multi-call bundle

Developer Toolsunknown

Ai Agent Api

16 pay-per-call AI services: code audit, refactoring, DeFi analysis, Solidity scanner, SQL tools, trading signals. Powered by DeepSeek V4 Pro. Payment via x402 USDC.

Ai Agentsunknown

Atxp Mcp

Access 5+ ATXP agent tools via MCP: web search, AI image generation, email (send/inbox), and music generation. Free tier: 3 web searches/day. Pro tier: all tools, pay-per-use via x402 micropayments (USDC on Base mainnet, $0.01-0.15/call). No subscription, no API key needed.

Developer Toolsunknown

Token Holders X402

x402 micropayment API for AI agents. Tracks top token holders and distribution. Pay per call with USDC on Base.

Developer Toolsunknown

Shieldapi Mcp

MCP server providing 9 security intelligence tools for AI agents. Real-time threat detection with pay-per-request USDC micropayments via x402 protocol. Free tier included (3 calls/day, no account needed).

Web APIsunknown

Elsas Verify

Daily, Ed25519-signed security intelligence for AI-agent stacks: CVEs, supply-chain incidents and advisories (GHSA/CISA-KEV/OSV/NVD + national-CERT) assessed for MCP/LLM-proxy impact, cross-validated and signed. Paid via x402 ($0.10 USDC on Base); free sample, list_available, che

Developer Toolsunknown

Aaaa Nexus

Formally verified AI safety APIs for autonomous agents. 75+ endpoints, x402 USDC micropayments, MCP server, A2A protocol. No signup required.

Developer Toolsunknown

Scrapecheck

Verify scraped data against the live source page. Signed verdicts, $0.01 via x402.

Search & RetrievalMIT

Token Safety X402

Token contract safety scanner (honeypot, tax, proxy, blacklist, risk score) -- x402 micropayment API + MCP server for AI agents

Developer Toolsunknown

Knowmint

AI agent knowledge marketplace. Discover, purchase, and retrieve human expertise via x402 on Solana. Tools: km_search, km_get_detail, km_purchase, km_get_content, km_publish.

Developer Toolsunknown

Currency Converter X402

Fiat and crypto currency converter -- ECB rates for fiat, CoinGecko for crypto. Instant cross-rate lookup. -- x402 micropayment API + MCP server for AI agents

Developer ToolsMIT

Cinderwright Api

x402 Discovery Hub. Search engine for the agent economy with 1450+ services indexed. Search by keyword, browse by category, free service submission.

Web APIsunknown

Project X402

SchemaCheck Agent validates JSON payloads against JSON Schema Draft 7 and 2020-12 standards. Designed for agent-to-agent workflows, it returns structured validation results instantly — including field-level error paths, human-readable summaries, and optionally a corrected payload

Developer Toolsunknown

Cyberdyne Mcp

Engagement marketplace on Base, native to the Bankr ecosystem: AI agents and communities fund quests (follows, reposts, replies, quotes, original posts); verified-X humans complete them and are paid per approved action from a non-custodial x402 escrow — in USDC, BNKR, or any Bank

Developer Toolsunknown

Mcp Aifinpay

Stripe for AI agents. Pay any HTTP API in stablecoins or native tokens on Polygon and Solana mainnet with one MCP call. Non-custodial, on-chain settlement, atomic 99/1 partner split. Five tools: payable_fetch, agent_address, agent_quote, pay_with_split, quote_split.

Ai Agentsunknown

Cryptoiz Mcp

v4.16.0 - AI-powered Solana DEX whale intelligence for Claude Desktop. 9 tools: whale alpha scanner, divergence scanner, accumulation/neutral/distribution phase scanners, BTC macro regime monitor, and NEW BTC Futures Signal (4H+5m multi-timeframe scalping). Pay-per-call via x402

Financeunknown

Ground Truth Mcp

Validate AI claims against live data: check endpoints, count competitors, test hypotheses.

Developer Toolsunknown

Kr Crypto Intelligence

Korean crypto market data + AI analysis for trading agents. 7 tools: AI market read ($0.10, 9 data sources + Claude AI signal), Kimchi Premium, stablecoin premium, Upbit/Bithumb prices, USD/KRW FX rate. Pay-per-use via x402 on Base/Solana.

Financeunknown

X402 Mcp

X402 Mcp MCP server enables seamless integration between AI agents and external services. Built on the Model Context Protocol, it provides standardized access to tools and data for AI-powered workflows.

Developer Toolsunknown

Sparkforge

33 utility APIs for AI agents — image generation, web scraping, crypto analysis, code review, OCR, TTS & more. Remote MCP server with Streamable HTTP. Pay-per-request via x402 micropayments. One wallet, zero API keys.

Developer Toolsunknown

Agent Pay Api

Nograve Agent Services is an MCP server on MCP.so — view details, tools, and install instructions.

Ai Agentsunknown

Gvnr

Budget & cost control for AI agents: hard per-agent spend caps, rate limits, idempotency, and human-in-the-loop approval — enforced before each LLM call, not after the invoice. One hosted MCP endpoint (no proxy or self-hosting), settled via x402 (USDC on Base).

Developer Toolsunknown

Text Translator X402

x402 micropayment API for AI agents. Translates text between languages. Pay per call with USDC on Base.

Developer Toolsunknown

Email Verification X402

MCP server for email address validation — syntax check, MX record verification, disposable email detection, role-based detection. Pay-per-use via x402 protocol (USDC on Base). Use this when you need to validate email addresses before sending.

Ai Agentsunknown

Fetch Agents Mcp

AI-powered code analysis and context optimization tools. Slim large code files to relevant sections (save 60-80% tokens), compress text, analyze conversations for noise, and search past chat knowledge bases. Supports x402 micropayments on Base.

Search & Retrievalunknown

Ar Mcp

AnchorRegistry is the open provenance layer for the agentic economy. Every digital artifact — code, research, data, models, media, agents, transactions — can be anchored to Base L2 with a permanent, machine-resolvable identifier (an AR-ID). When an AI assistant encounters an SPDX

Developer Toolsunknown

Email Deliverability X402

Audit email domain deliverability: SPF, DKIM, DMARC, MX records, score 0-100. -- x402 micropayment API + MCP server for AI agents

Ai AgentsMIT

Liquidation Oracle X402

x402 micropayment API for AI agents. Monitors DeFi liquidation risks. Pay per call with USDC on Base.

Developer Toolsunknown

Ukdatapi

UK government data intelligence platform. 14 enriched endpoints with proprietary scoring across company, location, property, environmental, market, trade, education, transport, vehicle, health, energy, legal, and procurement data from 400+ official UK sources.

Web APIsunknown

X Narrative Oracle

Real-time X/Twitter sentiment intelligence API for AI agents via Grok API + x_search. Automate Social Arbitrage: spot cultural trend shifts, narrative velocity, and contrarian signals BEFORE Wall Street. Returns structured JSON with sentiment scores, narrative velocity, top narra

Developer Toolsunknown

Vector Search X402

x402 micropayment API for AI agents. In-memory vector store with cosine similarity search. For RAG pipelines. Pay per call with USDC on Base.

Search & Retrievalunknown

Ai Visibility Checker Api

Remote MCP server with 10 tools: live brand AI-visibility audits (score 0-100, who AI recommends instead), AI Visibility Index dataset (25 brands, 5 industries), trucking profit & cost-per-mile calculators, DeFi yields, crypto prices, US Treasury rates, and macro risk-spread. Fre

Ai Agentsunknown

Social Profile X402

x402 micropayment API for AI agents. Finds social media profiles from email or name. Pay per call with USDC on Base.

File Systemunknown

Skim402

x402-native clean reader. URL in → markdown out. $0.002/call, no signup.

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Text Classifier X402

x402 micropayment API for AI agents. Classifies text into categories. Pay per call with USDC on Base.

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Data On Demand

Pay-per-call live company intelligence for AI agents via x402 (USDC on Base). No signup, no API key — name a company, get fresh data instantly.

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Sentinelx402

Real-time phishing detection, IP reputation, and CVE risk analysis API for AI agents. Powered by live threat feeds (OpenPhish, Feodo Tracker, URLhaus). Pay per request via x402 micropayments (USDC on Base). First 1,000 requests free, no signup required.

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Ip Geolocation X402

x402 micropayment API for AI agents. Geolocates IP addresses worldwide. Pay per call with USDC on Base.

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X402 Mcp X402node

X402 Mcp is an MCP server on MCP.so — view details, tools, and install instructions.

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Mercury X402 Mcp

Mercury is a pay-per-call MCP server that lets AI agents discover and call financial data tools using the x402 HTTP payment protocol. 18 tools covering crypto prices, DeFi liquidity, NFT data, on-chain analytics, and more. tools/list is free — tools/call is billed per call using

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Nodeflare A4d85c

Blockchain JSON-RPC on 23 EVM chains for AI agents (MCP server). Free reads, or x402 pay-per-call. npx -y nodeflare-mcp

Developer ToolsMIT

Pdf Generator X402

Generate PDF documents from HTML or Markdown. Custom page size, margins, headers. Ideal for reports and invoices. -- x402 micropayment API + MCP server for AI agents

File SystemMIT

Nameintel Mcp

NameIntel is a remote MCP server that scores brand names across five dimensions in a single call: domain availability, USPTO trademark conflict screening, social handle availability across 12+ platforms, SEO keyword strength, and AI findability (GEO score — industry-first; measur

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Gas Oracle X402

Live gas prices with gwei tiers, USD cost estimates, and congestion level. Time your transactions perfectly. -- x402 micropayment API + MCP server for AI agents

Developer ToolsMIT

Findata Mcp

Real-time financial data for AI agents. Stock quotes, company fundamentals, 800,000+ FRED economic indicators, SEC filings, and crypto prices. Pay-per-call ($0.01) via x402 micropayments on Base — no signup or API keys needed.

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Tokensafe

Quick safety screening for any Solana SPL token. Returns: risk score (0-100), risk level (LOW/MODERATE/HIGH/CRITICAL/EXTREME), human-readable summary, token name/symbol, whether authorities are renounced, trusted_authority (true when active authority belongs to a known issuer lik

Developer Toolsunknown

Bonsai Api

B.O.N.S.A.I. (Biologically-driven, Observationally-validated, Nutritionally-tested, Safe, Accessible, Integrative) is a health intelligence API built for the agent economy.

Ai Agentsunknown

Qonoro Mcp Server

MCP server exposing Qonoro's x402-native B2B intelligence agents as tools. Pay-per-call via USDC, no subscription, no API key required.

Developer Toolsunknown

Patternfetch Client

patternfetch — token-compact market-state briefs for AI trading agents. One call: compact candles + patterns + support/resistance + regime + interpreted indicators. MCP + REST, x402 + Stripe. github.com/MarvinRey7879/patternfetch-client

Search & Retrievalunknown

Crypto Mcp Orbisapi

Access 1,900+ blockchain and DeFi APIs through a single MCP. Estimate gas fees, analyze wallets, score on-chain volume, label addresses, and more. Pay-per-call in USDC via x402 on Base — no API keys, no subscriptions.

Financeunknown

Seo Analyzer X402

x402 micropayment API for AI agents. Analyzes webpage SEO performance. Pay per call with USDC on Base.

Marketingunknown

Defi Copilot

Pay-per-decision DeFi intelligence for AI agents on Stellar. Built with x402 protocol.

Developer ToolsMIT

Pitchiq

Chuhching exposes a full agent-native platform — CRM, outreach, scheduling, discovery, communities — to AI agents over MCP (streamable-http). Use a Personal Access Token for the full 42-tool operator surface, or pay per call via x402 (USDC on Base mainnet, no signup) for the disc

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Orbis Platform

Browse and subscribe to 24,200+ x402 enabled APIs autonomously. AI agents get a live API key in 3 tool calls — no browser, no OAuth, no human in the loop. Solana and Base usdc

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Nomad Intel Api

Pay-per-query digital nomad intelligence for AI agents. Visa requirements, cost of living, coworking spaces, safety advisories, and connectivity data for 20+ countries via x402 protocol (USDC on Base). No API keys needed — payment is the authentication.

Web APIsunknown

Agentfund

Fundraising infrastructure for AI agents on Solana — x402 payments, milestone escrow, on-chain reputation. REST + WebSocket + MCP + ACP.

Ai AgentsMIT

Foragex402

Meta-search for x402 agent-payable services -- find paid APIs across every registry

Memory Knowledgeunknown

Agent402

Open-source MCP server with ~1,100 deterministic tools — web search, headless Chromium, PDFs, OCR, images, ~1,040 CPU utilities. Free to self-host or pay per call via x402 (USDC on Base).

Ai Agentsunknown

Hermesplant

Preflight risk, route approvals, enforce spend policy, and prove consequential agent actions with signed evidence over MCP and x402.

Developer Toolsunknown

Mycelia Signal Sovereign Oracle

Sovereign cryptographic oracle — 131 Ed25519-signed endpoints across crypto prices, FX, metals, stablecoins, economic indicators, commodities, gas oracles, volatility/sentiment/stress/contagion indices, marine, weather, DeFi yield, and COT positioning. Pay-per-query via x402 (USD

Developer Toolsunknown

Screenshot Pdf X402

x402 micropayment API for AI agents. Takes website screenshots and converts to PDF. Pay per call with USDC on Base.

File Systemunknown

Aifais Mcp Server

Headless document processing for AI agents. Invoice extraction, contract analysis, and Dutch business verification. Pay-per-use via X402 on Solana. No API keys needed.

Ai Agentsunknown

Funding Arb X402

x402 micropayment API for AI agents. Detects funding rate arbitrage opportunities. Pay per call with USDC on Base.

Developer Toolsunknown

Gdpr Scanner X402

Scan website GDPR compliance: cookie consent, privacy policy, trackers. Score 0-100. -- x402 micropayment API + MCP server for AI agents

Developer ToolsMIT

Mcp Server Rippermercs

MCP server for AI industry intelligence: real-time AI news, service status, model pricing, and 15 paid premium tools (routing, news search, history series, cost projection, forecasting, provider deep-dive, model comparison, webhook watches). Pay-per-call in USDC on Base mainnet,

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Nft Floor X402

NFT collection floor price, volume, holders, rarity data. Ethereum and Base via Reservoir. -- x402 micropayment API + MCP server for AI agents

Developer ToolsMIT

Asterpay Mcp Server

EUR settlement and KYA trust scoring for AI agents. 16 tools: agent trust score (KYA 0-100), sanctions screening, USDC→EUR SEPA Instant settlement estimates, market data, crypto prices. Pay-per-call via x402 protocol (USDC on Base). Listed in Coinbase x402 ecosystem. MiCA-complia

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Amalgix

Financial filing & contract intelligence for AI agents. Evidence-backed, x402 USDC pay-per-call. MCP + REST.

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Solana Pools X402

x402 micropayment API for AI agents. Monitors Solana liquidity pools. Pay per call with USDC on Base.

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Url Shortener X402

x402 micropayment API for AI agents. Shorten URLs with custom aliases. Hash-based short codes. Pay per call with USDC on Base.

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Pythia Oracle

An oracle for machines that need to think sideways. Feed it a creative problem; it returns something you can't quite explain but can't stop using. Three free consultations.

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X402 Trust Layer

x402 Trust Layer is the trust, security & settlement control plane for autonomous agent payments. It exposes 13 MCP tools that an agent calls around every x402 (HTTP 402) payment:

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Scvd Store Llms Txt

The trust layer of the x402 economy. Free conformance checking for any issuer's x402 signed offers and receipts. Settlement attestation on Base and Solana. Weekly signed, Bitcoin-anchored ecosystem corpus.

Ai Agentsunknown

Research Mcp

Access 8,000+ web research and data extraction APIs through a single MCP. Search the web, scrape content, query Reddit, pull Google results, extract structured data, and more. Pay-per-call in USDC via x402 on Base — no API keys, no subscriptions.

Search & Retrievalunknown

Fomox402 Mcp

fomox402 broker + MCP server for last-bidder-wins games on Solana. Drop one URL into Claude / Cursor / Goose / Cline and the agent auto-registers a Privy-managed Solana wallet (faucet-funded with ~0.0024 SOL + $fomox402), bids via x402 micropayments, claims dividends, and plays a

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Merx Mcp

TRON infrastructure layer for AI agents. 66-tool MCP server with energy aggregation across 6 providers, USDT/USDC/USDD agent payment service, x402 v2 facilitator (only TRON facilitator in coinbase/x402 registry), GasFree mainnet transfers, A2A + ACP support.

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402s Shop

HTTP 402 + USDC pay-per-call API for AI agents. 16 endpoints (QR codes,

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Dayze Mcp

Pay-per-call people + life-in-days knowledge API for AI agents (x402 on Base)

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1cent

Production remote MCP server with 35 safe web-intelligence tools: 32 paid x402 URL operations plus 3 free discovery/demo tools. Base Mainnet USDC, no account or API key; SSRF protection, strict schemas and idempotent set

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Research Report X402

x402 micropayment API for AI agents. Generate research reports by fetching and summarizing web sources. Pay per call with USDC on Base.

Search & Retrievalunknown

Tech Enrichment X402

x402 micropayment API for AI agents. Detects technologies used by websites. Pay per call with USDC on Base.

Developer Toolsunknown

Agent Commerce Framework

AI agent API marketplace — discover, call, and pay for services with USDC. 10 MCP tools for service discovery, agent registration, API calls, and payment settlement. 23 active services from independent providers.

Ai Agentsunknown

Botindex Mcp Server

Botbro is an MCP server on MCP.so — view details, tools, and install instructions.

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Omnicall Mcp

Omnicall is a keyless, pay-per-call AI gateway for agents and OpenClaw. One OpenAI-compatible endpoint gives access to 248 LLMs (GPT, Claude, Gemini, Grok, DeepSeek, Llama, Qwen, Mistral) plus image, video, voice and music generation, and live crypto, DeFi, markets, web-search an

Developer Toolsunknown

Code Sandbox X402

Execute Python, JavaScript, or SQL in a sandbox. Get stdout, execution time, errors. 10s timeout. -- x402 micropayment API + MCP server for AI agents

Developer ToolsMIT

Mcp Pulsenetwork

51 AI-powered Intelligence verticals - finance, immigration, legal, health, crypto, real estate, careers, travel, compliance and more. x402-native, pay-per-query via USDC on Base. No API keys, no subscriptions.

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Axcess Mcp Server

Paid MCP server that evaluates typography accessibility beyond what axe and Lighthouse catch. $0.05 USDC per evaluation via x402 on Base mainnet.

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Base Defi X402

x402 micropayment API for AI agents. Base chain DeFi analytics and data. Pay per call with USDC on Base.

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Invinoveritas

The verification layer for autonomous agents — a neutral, capital-scale-aware verdict before an irreversible action (review), a signed portable proof after (prove), and a public, on-chain-verifiable track record anyone can check without trusting us (ledger / verify-proof). Pay-pe

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M2m

402 Arcade is the first arcade for AI agents. Six paid micro-services ($1 USDC each on Base) designed purely for

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Dex Quotes X402

x402 micropayment API for AI agents. Gets real-time DEX price quotes. Pay per call with USDC on Base.

Developer Toolsunknown

Deaddrop Mcp

MCP server: AI agents share self-destructing one-time secrets via DeadDrop - zero-knowledge, paid per call in USDC over x402 on Base

Developer ToolsMIT

Fia Signals Mcp Fiasignals

Professional-grade crypto market intelligence for AI agents. Real-time regime detection, funding rates, liquidation zones, technical signals, and smart contract auditing. Pay-per-use via x402 — no API keys, no subscriptions.

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Gapup Mcp Public

100+ agent-payable C-suite expertises (competitive intel, SEC

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Ground Truth Mcp Anish632

Validate AI claims against live data: check endpoints, count competitors, test hypotheses.

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Qr Code X402

x402 micropayment API for AI agents. Generate QR codes from text or URL. Returns base64 PNG. Pay per call with USDC on Base.

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Hou Tea Mcp Server

The first Model Context Protocol server that lets AI agents browse, recommend, compare, and BUY real physical products with USDC stablecoin via the x402 protocol.

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P402 Protocol

AI payment router for agents. Route 300+ LLMs via cost/quality/speed/balanced modes, enforce session budgets, and settle per-request in USDC on Base via x402 micropayments. 6 tools: p402_chat, p402_create_session, p402_get_session, p402_list_models, p402_compare_providers, p402_h

Developer Toolsunknown

Company Enrichment X402

x402 micropayment API for AI agents. Enriches company data from domain or name. Pay per call with USDC on Base.

Developer Toolsunknown

Webbersites X402 Mcp

Webbersites X402 Mcp is an MCP server on MCP.so — view details, tools, and install instructions.

Search & Retrievalunknown

X402station Mcp

MCP adapter for x402station.io — infrastructure for x402 agentic

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Tinkrr

Real-time Bitcoin network intelligence and YouTube video intelligence for autonomous AI agents. 10 tools covering BTC fees, mempool, address risk, transaction decoding, and YouTube video analysis, transcripts, scripts, trends, and competitive research. Pay-per-call via x402 proto

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Oromi Agent Services

All 25 agents.oromi.co.uk pay-per-call tools in any MCP client (Claude Desktop, Claude Code, Cursor). UK company data, property market data, verification tools, statutory rates. Tools auto-generate from the live OpenAPI

Ai AgentsMIT

Brackoracle Sdk

Runtime security oracle for AI agents — scan prompts, tool calls, and outputs before execution. Pay-per-call via x402/USDC, no accounts needed.

Developer Toolsunknown

Hl Vaults X402

Hyperliquid vault summaries — APR, TVL, PnL, followers. -- x402 micropayment API + MCP server for AI agents

Developer ToolsMIT

Spraay Solana Gateway

Spraay Solana Gateway — Batch Payments For Ai Agents On Solana is an MCP server on MCP.so — view details, tools, and install instructions.

Developer ToolsMIT

Agentmagnet

Universal product search across 40+ stores (Amazon 22 countries, eBay 22 countries, Awin 15k merchants, AliExpress, SaaS, B2B) — 52 languages, x402 micropayments.

Ai Agentsunknown

Bridge Routes X402

x402 micropayment API for AI agents. Finds optimal cross-chain bridge routes. Pay per call with USDC on Base.

Developer Toolsunknown