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MCP servers tagged x402
529 live MCP servers tagged "x402", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with x402.
Ddg Openclaw Router
Make DDG the default provider in Pi/OpenClaw via the x402-paying ddg-router.
Furlpay Travel MCP
FurlPay Travels — MCP server composing Travala Travel MCP (search) with FurlPay pay (x402/USDC on Base or single-use MCC-locked Visa VCN). Earns the 10% cbBTC developer rebate.
X402 Buyer MCP
Give Claude a wallet — buy business location data autonomously with x402 over USDC on Base
Avalix AI
Avalix (avalix.ai, est. 2026) is a custom AI implementation team — "three cyber engineers and one CTO" — that audits small and mid-size businesses for time and revenue leaks and b…
Tooloracle Io
FeedOracle Technologies (Herford, Germany) operates two agent-facing brands on one shared OAuth 2.1 identity layer. ToolOracle / OracleNet at tooloracle.io is a capability router…
Dgb Tollgate
DigiDollar paywall for MCP servers + an autonomous paying client. An agent hits a 402, pays in DigiDollar within spend caps, and gets the tool — no human in the loop. Testnet-prov…
Ddg Opentine
Opt-in DDG provider for opentine (x402 pay-per-call) — zero changes to opentine core.
Monetization Kit
Product page for Payload's MCP Monetization Kit ($69, one-time): per-tool-call metering and USDC payment collection for MCP servers. Not open source — buy link inside.
Monetization Demo
Free demo: per-tool-call metering with a free quota for MCP servers. A limited sample of the paid MCP Monetization Kit by Payload.
Csoai Ecosystem
The CSOAI ecosystem map — npm, MCP, x402, PyPI, GitHub, bazaars. One canonical view of where CSOAI ships.
Payload Sample MCP Server
Free sample MCP server demonstrating per-tool-call payments over x402: unpaid callers get machine-readable payment requirements, paying callers get results, free tools stay free.…
AgentiLoop/pagewire-mcp
site pages; pay per call in USDC via x402, no API key.
Test Canary 3
Throwaway test service to validate rebuilt hsh-deploy v2 with proper idempotency. Will be deleted within 5 min.
Adexto MCP
Remote MCP server for ADEXTO bonding-curve markets on five chains: connection guide, tool reference and an agent kit that signs with your own key.
X402 Microservice
Plug-and-play x402 Pay-Per-Call micro-service on Base USDC with autonomous agent discovery & SSRF protection.
Cuvee
CUVEE — the standard every agent uses to classify and compare beer, wine and spirits.
Hive Doctrine Skills
39 installable agent skills for Claude Code, Cursor, Codex. Memory, security, governance, personas.
SafetyNet
Autonomous DeFi yield-routing agent on Casper Network — 5 local AI neural networks, 7 deployable sub-agents, x402 micropayments, on-chain AgentVault contract, live trading dashboa…
Osmoda Integration Kit
Spawn AI-managed osModa servers and chat with their agents — typed SDK for the spawn.os.moda API (x402, WebSocket chat, SSE). For humans and AI agents.
Sygnldata Agent Client
Pay-per-call market intelligence for AI trading agents — x402 (USDC on Base) + MCP. Market regime, execution costs, bar QC, backtest forensics.
Crossing
ACX-1, the AstraNL Crossing: look, claim, check, mark. Coordination for AI agents that do not know each other. Plain GET, no account, MCP.
Scalpstream Com
ScalpStream operates a family of machine-payable data APIs built for autonomous agents: RecallScout (active US FDA, NHTSA and CPSC recalls with severity normalised across the thre…
Grokandmon Com
Grok & Mon operates GanjaMon AI, an autonomous ERC-8004 agent (agent #4 on Monad) that runs a real cannabis grow tent through IoT sensors and actuators, aggregates trading signals…
01mind Net
01Mind is a Melbourne, Australia software and intelligence-system maker (a registered business name of a sole trader, ABN 36 557 232 677) that runs an agent-facing "superstore" at…
Ingest0r Com
ingest0r operates the Cook County (Chicago) property records API at api.ingest0r.com — a pay-per-call, agent-native REST API over Cook County, Illinois public records (~1.9M parce…
Botmarket Bot
KOA Labs is a one-person "solo + AI" software studio in Mexico City (koalabs.ai) that builds open protocols, registries and directories, and BotMarket (botmarket.bot) is its free,…
Agent Spending Controls Crosswalk
Pink's vendor-neutral crosswalk of 14 payment providers/protocols (AP2, Stripe Issuing, Privacy.com, Lithic, AgentCard, Crossmint, Coinbase CDP, Circle, Tempo, Payman, Skyfire, x4…
Hostdefi MCP
Hosted MCP server for HostDeFi token-safety intelligence — free A+–F token scans (Solana + 7 EVM chains), keyless REST API, x402 endpoints.
Payments
Agent payment infrastructure MCP server — charge, refund, escrow, subscriptions, webhooks. 69 tools for autonomous agent payments.
Factstamp Skill
Agent skill + remote MCP server: cited, dated, Ed25519-signed answers for checkable claims (figures, entities, citations, packages, documents). Paid per call via x402 on Base.
400860 X402 Checkout
No-secret 400860 x402 checkout for AI agents: $0.002 AI pricing canary, $1 seller acceptance pack, Base and Solana USDC.
Wealth Agent
Self-hosted Cloudflare Worker selling 7 utility APIs (code review, data cleaning, research briefs, URL metadata, CSV/JSON, regex, diff) to AI agents over x402 HTTP 402 paywalls. N…
Synapse
A.U.G.U.R Synapse: 79 tools AI agents call and pay for per call. HTTP + MCP, x402 (USDC/SOL on Solana, USDC on Base). Endpoint reference, specs, SDKs.
Get Weather
Get current weather for any location via a verified x402 endpoint. No API key, pay-per-call in USDC.
Natt Pundit
Natt Settlement — trustless World Cup prediction markets on Solana. TxLINE Merkle CPI escrow, settle-only keeper, mobile-first PWA (8 langs), MCP agents. TxODDS Settlement track.
X402 Stablecoin
💰 Streamline payments for AI agents using HTTP 402 with yield-bearing Sperax USDs on Arbitrum for fast, cost-effective transactions.
X402 MCP Server
Monetized MCP Tool Server for AI Agents on Stellar — drop-in template for paid tools via x402 + USDC
Agentshield Js
Official JS SDK for AgentShield — Smart contract security protocol for autonomous AI agents. Verify contracts, monitor wallets, block threats.
X402 Starter
Drop-in x402 paywall for Cloudflare Workers. Bazaar discoverability and an MCP manifest pre-wired, so an agent can find and pay your endpoint.
Afterimage
Shared copies of the public web for AI agents. Search stored pages, or fetch a URL instead of scraping again.
Groundtruth MCP
Sealed launch outcomes and creator records for Solana and Robinhood Chain, over MCP and x402. Every figure carries its N.
Tab
Post-paid billing and credit for AI agents on Monad. Agents use services now and settle later in USDC or AUSD; payment and ledger entry land in one transaction.
X402card
The name and policy layer for AI agent cards: ENS names, public spend policy, MCP payments with a pre-check, human approvals.
Xorv Monad
Xorv: a marketplace on Monad for idle AI capacity, paid per job in USDC over x402, with escrowed refunds, ERC-8004 reputation, a Chainlink CRE refund keeper and a Cleanverse ident…
X402 Dotnet
The .NET implementation of x402 v2 — HTTP 402 micropayments for APIs and MCP tools on Base. Euro-first: EURC and USDC are both first-class settlement assets, unlike every other x4…
Onchainagentintel Io
Agent Zero (On-Chain Agent Intel, onchainagentintel.io) is an agent-native intelligence service for the ERC-8004 agent economy: it continuously indexes the ERC-8004 agents registe…
Getaiscan App
AIScan is an AI-visibility auditing service at getaiscan.app that scans any website in about 60 seconds and returns four 0-100 scores — AEO (AI search visibility), GEO (citation r…
A2a
Agent-to-agent payments, escrow and formal verification services
Pass Client
ZEAM :: Pass client: a wallet in front of a paid MCP server or URL. Pays x402, MPP sessions and charges, and ZEAM :: Bridge line time on Base.
MCP
Official TypeScript client and local stdio bridge for vrsai, with native MCP and x402 payments plus buyer-side safety controls.