MCP Server Registry
Browse 22,913 servers scanned across 184 detection rules
wzzotero-mcp-server
Simplified MCP server for accessing Zotero libraries by collection name
X1-BaaS Scraping API
Stealth scraping API for AI agents. Clean Markdown from any URL. x402 crypto payments.
x402 Atlas
The x402 agent market on Base: sellers, prices, on-chain payments, operators, buyers. Dated.
x402 Bazaar Rank
Ranked search over 15k+ live x402 services by real 30-day usage; free top-5, paid depth via x402.
x402check
Risk-check counterparties before an AI agent pays; pay x402 resources only after a verified allow
x402 Checker (AI Nock)
Free check; paid report $0.05; check_batch/who/md/headers/json/sanctions/domain/email/bizdays $0.01.
x402 Discovery MCP
Discover x402 APIs by capability, price & trust. Powered by x402Scout.
x402 Doctor
Check x402 endpoints like a paying agent: diagnose, fix plans, pre-payment checks. Free quick check.
x402engine
MCP server connecting AI agents to 108 pay-per-call APIs through x402: 72 LLMs plus image, video, audio, web, code, crypto, wallet, travel, and IPFS. Pay per request in USDC on Base or Solana, or USDm on MegaETH.
x402 Ethereum RPC
Ethereum mainnet JSON-RPC paid per call in USDC on Base. No account, no API key: the wallet pays.
x402 Facilitator Proxy
Multi-tenant HTTP 402 infrastructure gateway and stdio MCP server for machine payments.
x402-farm
64 x402 tools: cheap LLM $0.002, web+news search, French residential-IP scraping, FR/UK/US data.
x402 Gateway — Inspect Paid API Terms
Discover x402 paid APIs and inspect fresh payment requirements before authorizing spend.
x402 government-data search
Search five paid x402 government-data APIs (IRS, FDA, SSA, HCAD); full records paid over x402.
x402 JSON Repair
Pay-per-call JSON repair + JSON Schema validation for AI agents (USDC on Base, x402).
x402-market
Let AI agents pay-per-call for any HTTP API via x402 on Base mainnet. One tool: pay_and_call.
x402 MCP Starter
Free self-hosted x402 USDC billing for Cloudflare MCP servers, with a Base Sepolia test endpoint.
x402 Micro Tollgate
x402 HTTP 402 + MCP paywall: charge USDC per agent call. Self-host via npx or Docker.
x402nano
Machine-payable prediction-market briefs and probability-change monitoring for AI agents.
x402 Pay — USDC API Payment Helper
Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.
x402 Preflight
Inspect and validate an x402 endpoint before an autonomous agent spends USDC.
x402 Seller
Pay-per-call MCP tools (crypto/DeFi data, web reading, AI tasks) in USDC over x402 on Base.
x402-seller — rug protection & safe-alpha for trading agents
Rug-check & launch radar for trading agents: composite honeypot score, EVM+Solana, keyless x402.
x402-snap
Pay-per-call browser rendering and x402 marketplace ranking for AI agents, billed via USDC.