MCP CheckMCP servers for x402 payments
671 servers from the official MCP Registry that work with x402 payments. 451 need no API key and 387 can run hosted. Each row shows the security checks, the secrets asked for and an install command.
x402 payments MCP servers 671
Now showing are unlisted. These entries didn't pass our listing filter: no source repo, a very short or duplicated description, or a publisher with 100+ servers. Same automated checks, shown as-is. How we check
| Type | Secrets | Version | Actions | ||||
|---|---|---|---|---|---|---|---|
★ 7.6k cloud.basebalance/basebalance USDC-gated Base JSON-RPC: free 10 req/min, $0.50 per 10k. Failover, cache, /mcp, ledger. | 3/3All passed | 54health of 100 | RemoteHosted | Noneno keys asked | 1.0.0 | ||
 ★ 256 io.github.nirholas/x402-mcp Self-custodial x402 wallet for AI agents: pay any service in USDC or $THREE from your own key. | 7/7All passed | 76health of 100 | npmRuns locally | 1secret asked | 0.2.3 | ||
 ★ 256 io.github.nirholas/ibm-x402-mcp x402 pay-per-use IBM Granite AI: chat, code, embeddings, analysis, forecasting. Pay USDC per call. | 7/7All passed | 76health of 100 | npmRuns locally | 1secret asked | 1.1.4 | ||
 ★ 256 io.github.nirholas/x402-bridge Pay any x402 endpoint on the open web: auto-paying bridge with Bazaar discovery and spend caps. | 7/7All passed | 76health of 100 | npmRuns locally | 2secrets asked | 1.0.2 | ||
 ★ 256 io.github.nirholas/threews-x402-bazaar Discover and price paid agent services across the live x402 network, by three.ws. | 3/3All passed | 69health of 100 | RemoteHosted | Noneno keys asked | 1.0.2 | ||
 ★ 256 io.github.nirholas/ibm-x402-mcp-remote Pay-per-use IBM Granite AI via x402: chat, code, embeddings, forecasting. USDC on Base or Solana. | 3/3All passed | 69health of 100 | RemoteHosted | Noneno keys asked | 1.0.0 | ||
★ 26 com.x402-list/x402-list-mcp Find and vet x402 payment APIs before your agent pays one: uptime, price, on-chain volume. | 8/8All passed | 60health of 100 | npmLocal or hosted | Noneno keys asked | 0.5.3 | ||
★ 12 io.github.caiovicentino/x402check Risk-check counterparties before an AI agent pays; pay x402 resources only after a verified allow | 6/71 warning | 64health of 100 | npmRuns locally | 2secrets asked | 0.3.3 | ||
★ 8 io.github.up2itnow0822/clawpay-mcp Non-custodial x402 payments for AI agents. Sign locally, spend limits, Base network. | 7/7All passed | 57health of 100 | npmRuns locally | 1secret asked | 1.2.0 | ||
★ 6 app.singitai/singit Web search, page reading, prices and market data for agents via x402, in USDC on Base or Solana. | 4/4All passed | 60health of 100 | RemoteHosted | Noneno keys asked | 0.1.1 | ||
★ 5 io.github.runningoffcode/wormhole-x402 Check tokens, pages and x402 payments before your agent trusts them. Offline verdicts. | 7/7All passed | 64health of 100 | npmRuns locally | 1secret asked | 0.8.0 | ||
★ 4 io.github.romudille-bit/agentpay Buyer-side trust oracle + capped sessions for x402 agents: verified_route, receipts, 17 free tools. | 8/8All passed | 64health of 100 | npmLocal or hosted | 1secret asked | 2.7.3 | ||
★ 4 io.github.rplryan/x402-discovery-mcp Discover x402 APIs by capability, price & trust. Powered by x402Scout. | 3/3All passed | 35health of 100 | RemoteHosted | Noneno keys asked | 1.2.3 | ||
★ 4 io.github.plagtech/spraay-x402-mcp MCP server for Spraay x402 Gateway. 60 tools for crypto payments, DeFi, and AI on Base. | 7/7All passed | 45health of 100 | npmRuns locally | 1secret asked | 3.1.1 | ||
★ 3 io.github.devmster/x402-trinity Give an agent a wallet. Pays for x402 resources within hard limits. Base + USDC, gasless. | 7/7All passed | 60health of 100 | npmRuns locally | 1secret asked | 0.2.4 | ||
★ 3 io.github.sF1nX/x402station x402station.io: independent risk-signal layer for x402 endpoints before agents pay. | 7/7All passed | 45health of 100 | npmRuns locally | 1secret asked | 1.0.11 | ||
★ 2 io.github.presidio-v/presidio-hardened-x402-mcp Pre-payment safety gate for x402 agents: PII screening, spend policy, replay checks before signing. | 7/7All passed | 60health of 100 | PyPIRuns locally | Noneno keys asked | 0.3.0 | ||
★ 2 io.github.wyattpalm2-eng/x402-seller Rug-check & launch radar for trading agents: composite honeypot score, EVM+Solana, keyless x402. | 4/4All passed | 57health of 100 | RemoteHosted | Noneno keys asked | 1.0.0 | ||
★ 2 ai.tensorfeed/x402-base-mcp Read-only Base mainnet reader. Verifies x402 payment settlements + AFTA federation status. | 7/7All passed | 55health of 100 | npmRuns locally | 1secret asked | 0.2.1 | ||
★ 2 io.github.Fabio662/yieldagentx402 Policy-gated x402 MCP for agent workflows with TEE receipts, 18 tools, and no custody. | 7/7All passed | 45health of 100 | npmRuns locally | 1secret asked | 1.0.4 | ||
★ 2 io.github.x402-index/x402search-mcp Search 13,000+ x402-enabled APIs from your AI agent. Powered by x402search.xyz | 7/7All passed | 40health of 100 | npmRuns locally | 1secret asked | 1.0.2 | ||
★ 1 io.github.dudman1/mercury402-mcp Treasury/FRED financial data over x402: pay-per-call US yields, macro and forex in USDC on Base | 8/8All passed | 53health of 100 | npmLocal or hosted | 1secret asked | 0.1.4 | ||
★ 1 io.github.whatevercat-creator/crypto-sentiment-x402 Ticker sentiment from 9 crypto news outlets + Fear & Greed over 72h, with the headlines behind it | 7/7All passed | 53health of 100 | PyPIRuns locally | 2secrets asked | 0.1.6 | ||
★ 1 io.github.atsp-protocol/x402-conformance x402 payment safety checks: validate a 402 answer, prove a server never serves before settlement. | 7/7All passed | 66health of 100 | npmRuns locally | Noneno keys asked | 1.6.0 | ||
★ 1 io.github.JonasFuchss/x402-trust-mcp Discover x402 endpoints and check their trust score before your agent pays them. | 7/7All passed | 61health of 100 | npmRuns locally | 1secret asked | 1.16.0 | ||
★ 1 io.github.Fizzl13/x402-doctor Is this x402/MPP API safe to pay? $0.001 preflight, fixes, a $0.25 test purchase. Free quick check. | 4/4All passed | 60health of 100 | RemoteHosted | Noneno keys asked | 1.0.3 | ||
★ 1 io.github.forgemeshlabs/x402-ads-mcp x402 ad recommendations, intent analytics, and machine-commerce demand reports. | 7/7All passed | 59health of 100 | npmRuns locally | 2secrets asked | 0.2.5 | ||
★ 1 com.x402receipts/mcp Record x402 agent purchases as reconciled, auditable receipts; verify any receipt on the ledger. | 7/7All passed | 53health of 100 | npmRuns locally | 2secrets asked | 1.0.0 | ||
★ 1 io.github.epistemedeus/x402-data-gateway Paid x402 and MPP tools for agent discovery, payment safety, data, and DeFi. | 4/4All passed | 55health of 100 | RemoteHosted | Noneno keys asked | 1.23.49 | ||
★ 1 io.github.ffboers/x402-rpc-gateway Ethereum mainnet JSON-RPC paid per call in USDC on Base. No account, no API key: the wallet pays. | 2/2All passed | 47health of 100 | RemoteRuns locally | Noneno keys asked | 1.0.0 | ||
★ 1 io.github.ANAMIZED/x402-cloudflare-starter USDC micropayments on Base + Solana via x402. BYO wallets. Cloudflare Workers. No Coinbase. | 2/2All passed | 51health of 100 | RemoteRuns locally | Noneno keys asked | 0.1.0 | ||
★ 1 io.github.hypeprinter007-stack/anchor-x402 x402-paid agent tools: 18 over HTTP, 14 over stdio. USDC per call, no API key. | 8/8All passed | 58health of 100 | npmLocal or hosted | 1secret asked | 0.3.2 | ||
★ 1 com.fronesislabs/dcl-trust-oracle AI/LLM agent output audit MCP: policy eval, tamper-evident chain, AI safety, x402 USDC on Base. | 4/4All passed | 55health of 100 | RemoteHosted | Noneno keys asked | 2.3.1 | ||
★ 1 com.acjlabs/x402-listing-monitor Checks x402 Bazaar resource listings against the public discovery catalog and flags drops. | 4/4All passed | 44health of 100 | RemoteHosted | Noneno keys asked | 0.1.0 | ||
★ 1 io.github.x402node/x402-mcp Hundreds of x402-paid APIs as MCP tools, auto-discovered from Coinbase Bazaar. USDC on Base+Solana. | 7/7All passed | 38health of 100 | npmRuns locally | 1secret asked | 1.0.4 | ||
★ 1 io.github.AgentTools-Cloud/agent-tools-mcp Discover x402 services, MCP servers and A2A agents by intent — agent-tools.cloud directory. | 8/8All passed | 50health of 100 | PyPILocal or hosted | Noneno keys asked | 0.2.0 | ||
★ 1 io.github.TateLyman/x402-triage-mcp MCP server for no-payment x402 surface triage, 402 Index health checks, and paid review handoff. | 7/7All passed | 43health of 100 | npmRuns locally | Noneno keys asked | 0.1.1 | ||
★ 1 io.github.mizukaizen/x402-tools-mcp melis x402 Tools — 22 pay-per-call APIs for AI agents. No accounts, no API keys. USDC on Base. | 7/7All passed | 44health of 100 | npmRuns locally | 2secrets asked | 0.1.4 | ||
★ 1 io.github.printmoneylab/x402watch Wash-filtered intelligence for x402: categories, services, wash analysis, trends. | 4/4All passed | 48health of 100 | RemoteHosted | Noneno keys asked | 1.0.0 | ||
★ 1 sh.sparkforge/sparkforge 20+ pay-per-use APIs: image gen, crypto data, email verify, SSL check, web scraping, and more. | 3/3All passed | 35health of 100 | RemoteHosted | Noneno keys asked | 1.0.0 | ||
★ 1 io.github.agentc22/x402engine-mcp 50+ pay-per-call APIs for AI agents — images, LLM, code, crypto, travel & more via x402 | 7/7All passed | 48health of 100 | npmRuns locally | 2secrets asked | 1.0.3 | ||
io.github.something-agent/x402lint Free x402 endpoint linter: unpaid 402 challenge, payTo/asset/amount, CORS, directory readiness. | 4/4All passed | 43health of 100 | RemoteHosted | Noneno keys asked | 0.2.0 | ||
io.github.immoney1/kaal-agent-safety Paid MCP tools for URL payment-safety scanning and provider recommendations; USDC on Base via x402. | 3/3All passed | 44health of 100 | RemoteHosted | Noneno keys asked | 1.0.0 | ||
io.github.xzntexe/yruz-x402 Pay-per-call x402 tools: package advisories, EU tenders, Wikidata facts, promo board, web, crypto | 4/4All passed | 48health of 100 | RemoteHosted | Noneno keys asked | 1.3.1 | ||
io.github.AgentTanuki/x402-payment-safety Authorize x402 payments before signing with request-bound, signed safety decisions. | 4/4All passed | 49health of 100 | RemoteHosted | Noneno keys asked | 2.7.3 | ||
io.github.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. | 4/4All passed | 44health of 100 | RemoteHosted | Noneno keys asked | 1.0.0 | ||
io.github.cypher-osiris/lumi-verdict-mcp One signed label before paying an x402 seller, from Lumi's test-buys on XRPL, Base and Stellar | 7/7All passed | 52health of 100 | npmRuns locally | 2secrets asked | 0.1.0 | ||
io.github.369369yz-collab/meter369 Pay-per-call APIs for agents: text analysis, game facts, translation QA, hook scoring via x402. | 4/4All passed | 45health of 100 | RemoteHosted | Noneno keys asked | 1.0.0 | ||
io.github.ukenal/x402ai-mcp Pay-per-call AI tools (embed, summarize, ask) from x402ai, paid in USDC on Base via x402. | 7/7All passed | 53health of 100 | npmRuns locally | 1secret asked | 0.1.1 | ||
io.github.KevinM222/x402-research-mcp Pay-per-call x402 crypto research and Base address/approval risk checks. Testnet by default. | 7/7All passed | 54health of 100 | npmRuns locally | 1secret asked | 0.5.0 |
Showing 1 to 50 of 671. These are the most recently updated; search or pick a category for the rest.
x402 payments MCP servers: common questions
Which x402 payments MCP server should I use?
Among community builds, the most-starred on GitHub are basebalance.cloud — x402 RPC & MCP gateway (★ 7.6k), x402 Wallet (★ 256) and IBM Granite via x402 (★ 256). If you want one that passed every check, basebalance.cloud — x402 RPC & MCP gateway did.
Can I trust these x402 payments MCP servers?
On registry checks, 635 of 671 come out clean. We also read the code or live tool list of 359 of them without running anything, and 16 raised a warning worth reading, such as an install script or text aimed at the AI. Treat a pass as "nothing found", and give any server the least access that works.
How do I add a x402 payments MCP server to Claude?
To connect x402 payments through basebalance.cloud — x402 RPC & MCP gateway, run this in a terminal: claude mcp add --transport http basebalance https://basebalance.cloud/mcp. Pin the version shown before you rely on it.
Do I have to install a x402 payments MCP server?
387 can run hosted, so you only paste a URL into Claude, Cursor or VS Code. The 344 that run locally ship as 276 npm, 43 PyPI, 13 MCPB bundle and 3 Docker packages.
Which x402 payments MCP servers need no API key?
451 of the 671 list no secrets, including basebalance.cloud — x402 RPC & MCP gateway, three.ws x402 Bazaar and IBM Granite x402 Remote. Some still ask you to sign in once they run.
Who makes these x402 payments MCP servers?
No company-verified one yet (checked 31 Oct 2026). All 671 x402 payments servers are community builds from 574 different publishers, so check who is behind one before you hand it a x402 payments key.
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