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MCP endpoint :https://x402-scout-relay.onrender.com/sse · website · measurements and detailsx402-paid MCP server on Base L2 — LangGraph/CrewAI/Eliza/A2A agent-discovery + agent-marketplace.
Package npm :@globalchatadsapp/mcp-server · website · measurements and detailsPayment decisions, durable evidence, x402 resource discovery and live gateway status for AI agents.
MCP endpoint :https://xguardgate.com/mcp · website · measurements and detailsChecks x402 Bazaar resource listings against the public discovery catalog and flags drops.
MCP endpoint :https://x402-listing-monitor.acjlabs.com/mcp · website · measurements and detailsFree agent discovery + paid x402 research (outline 0.01 / brief 0.02 USDC Base).
MCP endpoint :https://x402.devvizion.com/mcp · website · measurements and detailsPay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.
MCP endpoint :https://squeezeos-api.onrender.com/mcp/x402-pay · website · measurements and detailsDiscover live agent APIs, ranked endpoints, trust, payment telemetry, and x402 surfaces.
MCP endpoint :https://api.402.bot/mcp · measurements and detailsPaid x402 and MPP tools for agent discovery, payment safety, data, and DeFi.
MCP endpoint :https://agents.samedaydesk.com/mcp · website · measurements and detailsPay any x402 endpoint on the open web: auto-paying bridge with Bazaar discovery and spend caps.
Package npm :@three-ws/mcp-bridge · website · measurements and detailsUSDC/x402 agent marketplace. Verified Base mainnet pilot, testnet and public enrollment.
MCP endpoint :https://open-agent-marketplace-lab.werkruimte-v-0931.chatgpt.site/discovery/mcp · website · measurements and detailsTrust layer for the x402 economy - check any service before you pay. Scores, discovery, routing.
MCP endpoint :https://aegis-mcp.borisinc.com/mcp · measurements and detailsMCP commerce surface for refurbished datacenter hardware, with x402 agent-payment discovery.
MCP endpoint :https://sati-grumpy.fly.dev/mcp · website · measurements and detailsPaid agent tools, zero API keys: crypto, weather, translation, web intel, x402 discovery (USDC/Base)
Package npm :navi-x402-mcp · website · measurements and detailsCrypto market microstructure, options, and on-chain metrics. Free discovery; $0.05/call via x402.
MCP endpoint :https://mcp.dripmetrics.ai/mcp · website · measurements and detailsSqueezeOS MCP for live machine discovery and x402-paid USDC APIs on Base.
MCP endpoint :https://squeezeos-api.onrender.com/mcp?registry=scriptmasterlabs · website · measurements and detailsFallback capability resolver for AI agents with replay-verified discovery and x402 paid execution.
MCP endpoint :https://missing-production-e3da.up.railway.app/mcp · website · measurements and details15 data tools at $0.01 USDC/call on Base via x402. Free discovery; x402 wallet client required.
MCP endpoint :https://agent-data-tools.grit-77.workers.dev/mcp · website · measurements and detailsPay-per-call compliance lead scanners with free MCP discovery and x402 payments.
MCP endpoint :https://api.timzinin.com/mcp/compliance-tools · measurements and detailsPay-per-call lead intelligence tools with free MCP discovery and x402 payments.
MCP endpoint :https://api.timzinin.com/mcp/lead-intelligence · measurements and detailsSEO keyword research with Google Suggest, intent scoring, long-tail discovery. x402.
MCP endpoint :https://keyword-research.api.klymax402.com/mcp · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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