Remote MCP servers · page 505

org.x402score/counterparty-score

Trust scores for x402 sellers: wash-trading, real buyers, verdict. $0.02/score via x402 on Base.

rezearcher/x402-data-api

x402 payment verification: safe-to-pay preflight, on-chain receipt proof, OFAC/scam wallet screen

dev.workers.microtools-x402.x402-dns-auth-checker/dns-auth-checker

Audit SPF, DKIM, DMARC, MX, BIMI, MTA-STS for a domain; score + grade. $0.003 USDC/call via x402.

clankerceo/x402-tools

Measured x402 ecosystem data, facilitator reliability, and live endpoint checks.

dev.workers.microtools-x402.x402-email-verifier/email-verifier

Email verification for AI agents: syntax, MX, disposable, role, score. $0.001 USDC/call via x402.

dev.workers.soloearn.x402-seller-kit/x402-checker

Test any x402 paid URL without paying: 402, PAYMENT-REQUIRED, USDC, amounts, payTo, EIP-712, CORS.

digitalweb33333-creator/x402-endpoints

x402 paid API tools for AI agents on Base: EU/global registries, crypto, wallet & agent trust.

scrape402/x402-examples

Pay-per-call agent tools via x402 (USDC on Base): chat, prices, funding, RNG. No account or keys.

praneeth12098/x402-factory-clients

200+ x402 paid data APIs for AI agents: prediction markets, verified weather, econ, SEC filings

com.crewofthecaptain/format-checker

IBAN, EU VAT, NIP, REGON, PESEL, email checks. Only $0.001 (0.1 cent) per check via x402 on Base

dlrjsdl200-byte/x402-gas-api

Compare live gas across up to 9 EVM chains and get the cheapest one. x402 pay-per-call on Base.

xyz.x402helper/mcp

API discovery and x402 paid execution via MCP. Search by natural-language, call with USDC payment

dev.workers.xbtbot.x402-reader/markdown-reader

Turn any public web page into clean Markdown. Pay-per-call via x402: 0.005 USDC on Base.

com.ruscrape/russia-access

Check x402 endpoints before paying: liveness, price history, farm detection. Plus RU web access.

kadopi/x402-mcp-starter

Free self-hosted x402 USDC billing for Cloudflare MCP servers, with a Base Sepolia test endpoint.

kwizzlesurp10-ctrl/x402-mcp

Pay-per-call US city property compliance and Base tx checks, paid in USDC on Base via x402.

kwizzlesurp10-ctrl/x402orcle

Paid x402 help: debug 402 errors, review MCP manifests, rewrite Bazaar listings. USDC on Base.

io.github.JienWeng/x402-osint

Pay-per-call OSINT for AI agents: username + email recon in USDC on Base via x402.

io.github.mk-career-planning/x402-safety-kit

x402 payment-request parser with a limited token list. Does not sign, approve or judge payments.

nexus-mcp-infra/x402-receipt-verifier

Audits NEXUS's own x402 payment logs against its own delivery logs and issues a signed proof-of-deli

LKennedyShare/x402-scraper-api

Paid web extraction: markdown, structured JSON, market-rules and page-change checks via x402.

ihen404/x402-scraper-api

Programmatic web-scraping MCP server powered by x402 micro-transactions on Base.

digitalweb33333-creator/x402-solana

x402 paid API tools for AI agents on Solana: crypto safety, market data, KYB/AML verification.

net.tunnelmole.heiekc-ip-209-115-177-214/x402-text-tools

Pay-per-call NLP & embeddings APIs on Base via x402. No keys/signup; agents pay per call in USDC.

net.tunnelmole.imkl13-ip-209-115-177-214/x402-text-tools

Pay-per-call NLP & embeddings APIs on Base via x402. No keys/signup; agents pay per call in USDC.

io.github.mayer-code/x402-toolbox

Free, read-only MCP subset of x402 Toolbox's cheap data endpoints, free via MCP.

swiftbotlab/x402-toolbox

62 pay-per-call web, DNS, EVM and data tools. x402 USDC on Base, $0.003-$0.02 per call, no signup.

foxxx009/x402-tools-mcp

Pay-per-call research tools for AI agents, paid via x402 USDC. Remote MCP, one free tool.

dev.workers.kikoribera03.flat-rate-llm/x402-tools

61 x402 pay-per-call tools that chain: each answer names the next call. No API key, no account.

io.sslip.249.111.77.187/x402-mcp-tools

Pay-per-call MCP tools via x402 (USDC on Base): QR codes, images, text analysis, web fetch.

Senpi-Station/x402-mcp-web-extract

Pay-per-use web extract, token prices, and wallet balances via x402 USDC micropayments.

dev.workers.microtools-x402.x402-web-tools/web-tools

Web/PDF to Markdown, transcription, paper search and citation checks. Pay per call in USDC via x402.

iparadise71/x402-api

Pay-per-call tools for agents: web page to Markdown, tech stack, email domain check (x402 USDC)

com.x402broker/marketplace

Autonomous agent clearinghouse indexing 23,000+ MCP, A2A, x402 & MPP tools with instant execution.

robertoyanguas-ops/assay

Single-connection MCP gateway discovering and executing 490+ verified MCP & A2A tools.

io.github.ZadenGG/x402-snap

Pay-per-call browser rendering and x402 marketplace ranking for AI agents, billed via USDC.

OmarNassar1127/x402-vend

Pay-per-call web & EU business intelligence for AI agents (x402 USDC on Base). 11 tools.

nuanu-ai/x402card

Issue and top up x402 virtual cards or buy Freeland travel eSIMs with Base USDC.

org.x402image/image

x402 image tools (USDC/Base): remove_background/upscale $0.02, resize/optimize $0.005; URL in/out

something-agent/x402lint

Free x402 endpoint linter: unpaid 402 challenge, payTo/asset/amount, CORS, directory readiness.

Bobjonesgood/x402nano

Machine-payable prediction-market briefs and probability-change monitoring for AI agents.

dev.x402pulse/x402pulse

34 data tools: Polymarket skill, FDA and hospitals, oil, attention, travel, SEC filings

dev.x402shield/x402shield

Public demo: evaluate AI-agent payment authorization and approval policy. No signing, no settlement.

io.github.0580iris-lang/x711-gas-station

Pay-per-use tool API for AI agents. Free tier, x402 USDC micropayments, or API key.

io.github.xataio/mcp

Xata MCP server lets AI agents interact with your Xata projects, and Postgres database branches.

kr.xdata/xdata-mcp

Korean national tax and social insurance filings, invoices and payroll data as MCP tools.

maxand98/XCOPYBook

Read-only XCOPYBook: book chapters, search, collector profiles and the XCOPY works registry.

ai.xcut/xcutai

Find viral posts, outliers, hooks and ads on Instagram, TikTok, YouTube and Facebook, then write.