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x402 MCP Servers

Showing 24 Model Context Protocol tools tagged with “x402”.

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Discover, filter, and connect verified Model Context Protocol tools to your AI agents.

GPT55 x402 MCP Gateway

Developer Tools

GPT-5.6 Luna Standard paid API via x402: $0.00293 per request (2930 atomic) on Base USDC (eip155:8453), with browser-wallet checkout and an agent fallback client. Start at https://gpt55.558686.xyz/x402/service; POST https://gpt55.558686.xyz/v1/chat/completions/standard.

X402 Trust MCP

Finance & Fintech

Trust & reliability scores for x402 endpoints: free ecosystem stats, paid per-endpoint scores.

MCP Server

Finance & Fintech

EUR settlement for AI agents via x402 protocol. Market data, AI tools, crypto analytics — pay-per-call in USDC on Base. SEPA Instant EUR off-ramp.

MCP

Finance & Fintech

Web intelligence for AI agents: fetch, render, extract, research. x402 micropayments, no API keys.

Blixtworks

Finance & Fintech

Vision, web and data tools paid per call in USDC on Base via x402. No account, no API key.

Pythia Oracle

Other Tools and Integrations

Oracle for AI agents that need to think past obvious answers. One tool, one reading. Free tier included.

Travel Agent MCP

Travel & Transportation

Free travel utilities plus live x402 travel intelligence: $0.01 Travel Pulse disruption and emergency-awareness checks, day trips, weekend getaways, creator experiences, weather-aware planning, mobility options, currency conversion, airport checks, and timing guidance.

Voice MCP

Give Your Agent A Voice: x402 pay-per-call speech on Base with 20 voices, 10 personas, 31 languages, granular speed/quality controls, OpenAI-shaped requests, voice samples, and batch audio.

Agent Scrape

hshintelligence

Browser Automation

Pay-per-call web scraping for AI agents via x402 micropayments on Base. Six tools: scrape, extract structured data, screenshot, metadata, browser session, workflow. No signup, no API keys — just USDC. HTTP + MCP transports.

Skim402

Search & Data Extraction

Convert any URL into clean, agent-ready Markdown with structured metadata (title, byline, published date, language). Pay-per-use via x402 (USDC on Base) — no signup, no API keys. Single tool readurl. Install via npx -y skim-mcp.

Spraay X402 MCP

Finance & Fintech

Pay-per-call onchain data, AI models, and batch USDC payments on Base via x402 micropayments. 9 tools including swap quotes, token prices, wallet balances, ENS resolution, and multi-recipient batch transfers.

Agentbodega

agentbodegastore

AgentBodega MCP gives agents a live catalog of 65 x402-payable HTTP tools across search, public data, social media, status checks, media conversion, and agent-readiness checks. No API keys; install with npx -y @agentbodega/mcp.

Disruption Intelligence MCP

AI-native commercial disruption intelligence for MCP clients and x402-powered agents. Supports WARN/layoff intelligence, company context, geospatial territory disruption, and x402 payment challenge inspection via the hosted Forgemesh API.

Payfetch

Finance & Fintech

Non-custodial paying-fetch client for agents that pay APIs over HTTP 402 (x402, USDC on Base). The operator sets hard per-call/per-day/per-host spend caps, an approval threshold, and allow/deny lists, with an append-only receipt for every attempt; the agent can't raise its own limits. npx -y -p @forum-labs/payfetch payfetch-mcp

Tensorfeed

Real-time AI industry intelligence MCP server. 6 free tools (AI news, service status, model pricing, today summary, agent activity, MCP registry snapshot) and 13 paid premium tools (routing recommendations, news search, history series, cost projection, provider deep-dive, model comparison, agents directory, what's new brief, MCP registry series, webhook watches with daily/weekly digest tier). Pay-per-call in USDC on Base mainnet, no accounts. npx -y @tensorfeed/mcp-server

X402 Discovery MCP

Runtime discovery layer for x402-payable APIs. Agents discover and route to pay-per-call x402 endpoints by capability, get quality-ranked results with trust scores (0-100), and pay per query via x402. Includes MCP server, Python SDK, and CLI (npm install -g x402scout).

Swarmwage

Open MCP-native agent hire protocol — discovery + hiring + reputation layer above x402 payment rails. Find specialized agents, hire them with one function call, settle in USDC on Base. Sub-second sync, on-chain receipts via EIP-3009, zero protocol fee. Live mainnet 2026-05-10.

MCP Server

Finance & Fintech

Pay-per-call AI + web + on-chain tools for agents over x402 (USDC on Base) — no accounts, no API keys; the wallet is the identity. 11 tools incl. token rug/honeypot safety (0–100 score, risk band, buy/sell simulation), new-pairs / liquidity-pull / whale-swap signals, SEO/GEO audit, web extract, link preview, robots & security-headers checks, and LLM inference. Tools auto-discover from the live catalog. npx -y @true402.dev/mcp-server

Goldbean

wuzenghai616-lang

Finance & Fintech

x402 Micropaid API Marketplace — 10 AI tools for agents. Crypto prices, web search, weather, image-gen, LLM chat, code execution, translation, sentiment analysis, and QR code generation. Pay-per-call with USDC on Base (no API keys, no registration). Install with \

X402search MCP

Search 14,000+ x402-enabled HTTP APIs by keyword. Agents pay $0.01 USDC per search via x402 micropayments on Base mainnet — no API keys required. Larger index than any other x402 discovery layer.

Nutriref API

USDA FoodData Central nutrition for AI agents — pay-per-call in USDC on Base via x402. Four tools (search, detail, compare, recipe) at $0.001–$0.005 per call. No signup, no API keys; MCPB-packaged for one-click install.

Agent Discovery MCP

Finance & Fintech

Minimal MCP server (250 lines TS) for ERC-8004 agent discovery + x402 payment. Three tools: findagentsbyskill (via 8004scan public API), getagentcard, callagentwithpayment using Coinbase's official x402-fetch. Direct EOA signing — no smart account, no bundler, no relay. Works with Claude Code, OpenClaw, Cursor, Cline. USDC on Base/Ethereum + testnets, MIT.

GBLIN MCP

Finance & Fintech

Treasury standard for AI agents on Base mainnet. Park idle USDC in a cbBTC/WETH index with Crash Shield protection, JIT-swap to USDC for x402 invoice payments.

X402station

Preflight by x402station.io — infrastructure for x402 agentic commerce. Six capability directions (Discover/Evaluate/Pay/Monitor/Recover/Analyze). Agents call it before every PAYMENT-SIGNATURE to detect decoys, zombie endpoints, dead services, and price traps. Tools: preflight ($0.001), forensics ($0.001), catalogdecoys ($0.005), alternatives ($0.005), whatsnew ($0.001), buycredits ($0.50 = 1000 prepaid), watchsubscribe ($0.01) + free creditsstatus/watchstatus/watchunsubscribe. Plus free anonymous preflight-trial for self-test. Probes 50k endpoints on agentic.market every 10 min. Open dataset: huggingface.co/datasets/x402station/preflight-dataset-v01. npx -y x402station-mcp.