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x402 pay-per-call agent tools (Base USDC): web search, URL extract, OCR, Base tx & allowance scans
MCP endpoint :https://geld-machen-x402.fly.dev/mcp · website · measurements and detailsx402 pay-per-call: onchain data (Solana/Base/Polygon), crypto market, JWT/unit utils, x402 stats.
MCP endpoint :https://47620.xyz/mcp/multichain · website · measurements and details20+ pay-per-use APIs: image gen, crypto data, email verify, SSL check, web scraping, and more.
MCP endpoint :https://sparkforge.sh/mcp · website · measurements and detailsPaid x402 MCP utilities for AI agents on Base: JSON, HTML, CSV, hashing, attestations.
Package npm :@macbookgenesis/genesis-mcp · measurements and detailsSEC 10-K/10-Q sections, 8-K events and a free filing index, web-to-Markdown, domain profiles; x402
MCP endpoint :https://x402-agent-api.onrender.com/mcp · website · measurements and detailsDeterministic JSON checks with signed evidence and x402-paid execution
MCP endpoint :https://agent-economy.kgninja.dev/mcp · website · measurements and detailsExternal x402 agent utilities with free routing and an AveDaris machine Discovery Beacon.
MCP endpoint :https://api.avedaris.com/mcp?source=mcp-registry · website · measurements and detailsPaid deterministic utilities and automation services for AI agents via MCP and x402.
MCP endpoint :https://x402.nexusword.it/mcp · website · measurements and details33 pay-per-call data utilities (IDs, time, text, codes, geo, chain, ref, numbers) via x402.
MCP endpoint :https://api.duoleads.com/mcp · website · measurements and detailsA free tool recommender plus eight x402 tools for payments, merchants, wallets, and web evidence.
MCP endpoint :https://anywaypossible.com/api/registry-mcp · website · measurements and detailsMCP/x402 tools with bounded decisions, adaptive pricing, and Proof402 machine-commerce receipts.
MCP endpoint :https://api.salt19.com/mcp · website · measurements and detailsPaid x402 tools for merchant intelligence, Base payment readiness, and verifiable web evidence.
MCP endpoint :https://anywaypossible.com/api/mcp · website · measurements and detailsAdvisory context, intent, budget and API-ledger checks with free examples and x402 payments.
MCP endpoint :https://agents.getardaro.com/mcp/utilities · website · measurements and detailsx402 pay-per-call tools: company enrichment, PDF extraction, Amazon/KDP data, YouTube transcripts.
MCP endpoint :https://agent-api-production-169b.up.railway.app/mcp/mcp · website · measurements and detailsTen x402-paid tools for JSON, YAML, cron, diff, text, DNS, WHOIS, GitHub, crypto, and email.
MCP endpoint :https://penniless-json-repair.sjaman.workers.dev/mcp · website · measurements and details47 micro-priced utilities: search, screenshots, OCR, whois, prices, video downloads. x402 USDC.
MCP endpoint :https://tracy-collar-preview-demands.trycloudflare.com/mcp402/ · website · measurements and details30-day x402 history, calendar, DNS, RDAP, LEI, URLs, scraping, text, VAT, QR. Pay-per-call USDC.
MCP endpoint :https://toolvend.dev/mcp · website · measurements and detailsThirty-two guarded agent utilities and maintained-data lookups over USDC x402.
Package npm :@justhandledlabs/agent-client · website · measurements and detailsXRPL data tools for AI agents: wallet classifier, signals, RWA tracker, ETF flows. Pay via x402.
Package npm :@xrpl-utilities/mcp · website · measurements and detailsDiscover and call 400+ practical APIs through seven MCP tools with free search and x402 payments.
Package npm :@forgemeshlabs/utility-grid-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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