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MCP servers tagged x402
528 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.
Hyperd
MCP server for hyperD x402 paid DeFi APIs — pay per call in USDC on Base, ~2s settlement, no API keys. 23 tools (16 paid endpoints + bundle settlement) across 7 EVM chains. Drops…
Blacktea
MCP server exposing blacktea's pay tool to Claude Desktop, Cursor, and other MCP-aware clients.
Webcash
MCP server that lets AI agents pay any HTTP 402 / x402-webcash endpoint using bearer e-cash from a local wallet.
Paybot
PayBot MCP Server - Payment tools for AI agents via Model Context Protocol
Payguard
GuardianRail — the safety layer x402 lacks: deterministic spend caps, asset-spoof protection, payee allowlist, and eth_call pre-flight simulation before an agent signs. Ships as a…
Twzrd MCP Server
TWZRD Trust API MCP server with Solana x402 auto-pay (official @x402 SDK, spend-capped, preflight-gated).
Pylon
Pylon AI — Pay-per-request APIs for the agent economy. Powered by x402 micropayments on Base.
Sexai
MCP server for SEXAI — the network where devs reproduce. Let AI agents browse, publish themselves, and breed (deterministic config-crossover with per-parent influence). The tool d…
Agenttoll
On-chain delivery receipts for x402 agent payments on Solana: anchor SHA-256 digests of delivered content to a PDA after settlement; buyers verify offline with zero trust. Live MC…
Paid Tool Starter
Starter SDK for building MCP tools that require payment before they run. definePaidTool + enforcePayment + runPaidTool. Zero runtime deps.
Telemost MCP Server
MCP server (stdio) exposing the Telemost x402 Telegram-analytics API as pay-per-call MCP tools. Payment is made from the agent's own USDC wallet via x402.
X402 Gateway
Aye Pulse market intelligence plus Aye Scout pre-payment diligence over x402: a free ecosystem snapshot and two deliberately scoped paid tools, with manifest trust verification an…
Brickken
Brickken Model Context Protocol server for tokenization, agentic APIs, KYC, and RAMS
Monetize
Online Micro-metering and monetization middleware for Model Context Protocol (MCP) servers and AI agent tool invocations with sub-35ms HTTP 402 settlements.
Signer
Haven edge signer — holds the agent's delegate key locally and signs payment hashes + x402 headers. Pairs with the hosted, keyless @haven_ai/mcp-server; the key never leaves the m…
Vouch402 MCP Server
Standalone MCP server for Vouch402: x402-metered on-chain risk scores for Base addresses, with EAS fulfillment attestations. Never holds a wallet or signs transactions itself.
TILL
A payment counter for agent skills on Binance x402. One agent sells, another buys, real USD1 settles on BNB Chain inside the same HTTP request.
Tag Per Track
MCP Server for Tag-per-Track audio analysis with x402 payments
Obol
Obol MCP server — let any AI agent find, pay for, and call metered APIs in USDC on Arc.
Inflow CLI
A wallet for your agents to onboard and pay. Agentic MPP / x402 payments from your machine - CLI + MCP server.
HERALD
HERALD is an open-source CLI that emits the standard discovery files agents need to read your site and discover its agent-interaction capabilitie. One config object drives all of…
Glaw
GLAW — open-source virtual law firm AI-agent system: 183 skills, 181 commands, hard-gated matters, MCP/API intake, and X402 paid-agent charge matrix with Conway-style agent surviv…
Local402
x402 on Stellar priced in local currency (CLP, UF, EUR, BRL…) and payable with USDC, XLM or EURC. Live on mainnet.
Xagt Plugin
Plugin submissions for the X-Agent Hackathon.
Agentic Commerce
Production reference for agentic commerce: protocols (ACP, AP2, x402, MCP), stablecoin rails, agent skills, and the merchant playbooks specs leave out — refunds, multi-chain settl…
Metaplex Agent MCP
Deploy AI agents on-chain from any MCP client or your browser: mint a Metaplex Core asset and register its EIP-8004 identity in the Metaplex Agent Registry on Solana. By three.ws.
X402 MCP Commerce
MCP server that gives Claude/GPT agents commerce tools — each tool call pays an upstream x402 endpoint and returns its artifact
Kern
The agent wallet. Hold credentials — agents use them without seeing them.
X402 Backend
API marketplace powered by HTTP 402 protocol — AI agents pay per call with USDC on Base. 69 native endpoints, on-chain payment verification, multi-chain (Base + SKALE).
Barker MCP
Barker MCP server + agent skills — real-time stablecoin yield index, AI yield advisor, risk signals and non-custodial execution for AI agents. x402 pay-per-call at mcp.barker.mone…
Agent Mail MCP
Send physical mail from an AI agent. An open MCP server for agent-payable mail - print and post real letters and postcards via x402, with tool schemas for Claude, LangChain, and O…
Chit
Unofficial Go client and merchant library for ATXP (Agent Transaction Protocol)
Suede Docs
Official public documentation for Suede Labs AI — programmable IP, creator ownership, x402, ACP, and AI-native media. By Jason Colapietro.
Awesome Agent Economy
Explore and connect projects enabling AI agents to earn, trade, verify identity, and build reputation in the agent economy ecosystem.
Sluice
Push-based on-chain event service for Casper. Describe an event in plain English, and Sluice delivers every match to your webhook, AI agent (MCP), or dashboard in ~830ms.
Spendtree
Non-custodial hierarchical budgets and a flight recorder for agent x402 payments
X402 Bounty Hunter
An agent that earns USDC answering real support tickets: find a bounty on an open board, buy context over x402, draft with your own LLM, get paid 85% on human approval. First payo…
AgentPayBridge
Universal payment bridge for AI agents. Protocol-agnostic middleware supporting Coinbase x402, Google AP2, and OpenAI/Stripe ACP.
Scout Onchain
A customizable onchain portfolio manager for AI agents, powered by Zerion.
Agent Economy Os
The foundational MCP/A2A-native secure credential injection + x402 micropayment gateway for the agent economy. Building the open infrastructure layer that autonomous agents actual…
Provider
x402 service provider tooling for Azeth — gate Hono endpoints behind x402 payments
Security Gate X402
The Zero-Trust Safety & Settlement Rail for Autonomous AI Agents. Sub-10ms deterministic guardrails, key leak defense, and cryptographic Proof-of-Safety attestations via x402 on B…
Agentbrake
Buyer-side verification for x402 AI-agent payments on Solana: owner-signed grants, live quote checks, one payment per purchase, chain-verified outcomes.
Sato Os
🖥️ SATO OS — Onchain Agent Mission Control. Build and run your onchain agent on any chain, using any model.
MCP
⬡ The Sato Hub MCP server — npx -y @satohub/mcp. Scored index of the onchain agent stack, Preflight, Sato Route, Agent Passports. No key, non-custodial.
Tiktok MCP
Post, schedule, manage, and analyze TikTok accounts from any MCP-compatible AI agent.
Agent Mail MCP
Send physical mail from an AI agent. An open MCP server for agent-payable mail - print and post real letters and postcards via x402, with tool schemas for Claude, LangChain, and O…
Kern
The agent wallet. Hold credentials — agents use them without seeing them.
Prism
First adversarial AI validator on ERC-8004
Skills
Agent skills for taskfuel.ai — let your coding agent call paid APIs from a prepaid balance