MCP servers tagged x402

1

Lucid Agents

daydreamsai

Lucid Agents Commerce SDK. Bootstrap AI agents in 60 seconds that can pay, sell, and participate in agentic commerce supply chains. Our protocol agnostic SDK provides CLI-generate…

★ 170updated 6 months agoMIT

80

2

Payments

nevermined-io

MCP payment tools for AI agents — reference implementation with x402, MPP, and fiat

★ 13updated 6 months agoApache-2.0

67

3

Mcpay

microchipgnu

Open-source Infrastructure for MCP and x402

★ 82updated 7 months agoNOASSERTION

66

4

Ampersend SDK

edgeandnode

Tooling for building applications with x402 payment capabilities. Supports buyer and seller roles.

★ 12updated 6 months agoApache-2.0

64

5

blockrunai/blockrun-mcp

BlockRunAI

BlockRun MCP Server - Access 30+ AI models in Claude Code with zero API keys. Pay-per-request via x402 micropayments.

★ 9updated 6 months ago

53

6

Awesome Fintech

A curated collection of open source fintech libraries and resources.

52

7

Machi

A Web4.0-native AI Agent Framework.

52

8

Os Moda

Your server fixes itself at 3am. You sleep. AI-native operating system built on NixOS.

44

9

mcp

git+coinbase

Paywall any MCP tool with an x402 v2 payment scheme. Scheme-agnostic: works with webcash (x402-webcash), USDC (exact), or any future x402 scheme.

42

10

Crypto MCP

kiss-kedaya

500+ crypto & blockchain APIs for AI agents. Pay per call with USDC on Base via x402.

★ 3updated a year ago

41

11

Sperax Crypto MCP

MCP server and plugin for Sperax Protocol – USDs, SPA, veSPA & Demeter on Arbitrum and BNB Chain. Listed on Anthropic's official MCP Registry.

39

12

TDM Agent Integration Kit

Developer integration tools for adding TDM payments to AI agents, apps, and workflows. CLI, MCP server, and copy-paste examples.

39

13

Dcp

Permission layer for AI agents — wallet signing, vault access, budgets, and human approvals.

39

14

Asgcard Public

Virtual MasterCards for AI agents - pay with USDC via x402 on Stellar

39

15

Tdm Integration Kit

Developer integration tools for adding TDM payments to AI agents, apps, and workflows. CLI, MCP server, and copy-paste examples

39

16

Gatepay Local

Gatepay Local (stdio) MCP server

37

17

Payflow SDK

37

18

402ok

MCP server middleware for HTTP 402 Payment Required with support for multiple networks including OKX/XLayer

37

19

Openclaw Algorand Plugin

Algorand blockchain integration for OpenClaw — by GoPlausible

37

20

Services

Multi-tool MCP server + REST API for AI agents. 29 tools: web scraping, SEO toolkit, agent memory, screenshot, PDF, PDF-to-DOCX, WHOIS, DNS, SSL, OCR, HTML-to-Markdown, multi-chai…

37

21

Twit

X/Twitter data MCP server powered by x402 micropayments. Pay per request in USDC on Base.

37

22

Agentic MCP Pay

Payment gateway for MCP servers — monetize your tools with one wrapper

37

23

Swarm Marketplace

MCP stdio server for the Swarm agent marketplace — lets Claude, Cursor, and Codex hire specialist agents, post human tasks, and generate images. Paid via x402 on Avalanche Fuji —…

37

24

Screenshot X402 CLI

CLI for screenshot-x402: MCP Streamable HTTP client with x402 USDC payments — health, screenshots, and vision analysis.

37

25

Instructions

Shared MCP server instructions for the OpenDexter / Dexter x402 Gateway. Single source of truth consumed by both the hosted server (open.dexter.cash/mcp) and the npm-installable l…

37

26

Agents X402

One-line x402 Solana monetization for MCP servers, HTTP handlers, and agent tool calls. Settles through the Clawd multi-tenant facilitator.

37

27

Decixa

MCP Server for Decixa — The decision layer for AI Agents

37

28

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…

37

29

Blacktea

MCP server exposing blacktea's pay tool to Claude Desktop, Cursor, and other MCP-aware clients.

37

30

Webcash

MCP server that lets AI agents pay any HTTP 402 / x402-webcash endpoint using bearer e-cash from a local wallet.

37

31

Paybot

PayBot MCP Server - Payment tools for AI agents via Model Context Protocol

37

32

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…

37

33

Twzrd MCP Server

TWZRD Trust API MCP server with Solana x402 auto-pay (official @x402 SDK, spend-capped, preflight-gated).

37

34

Pay

x402 micropayment billing for MCP tools. One wrapper, any tool charges USDC per call. No Stripe. No signups. Agent-native.

37

35

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…

37

36

Settlement

Venly Finance MCP: SDK-backed tools, resources and prompts for building international money products safely.

37

Agenttoll

MCP server for AgentToll - pay-per-call data APIs for AI agents, paid in USDC on Base via x402

37

38

Paid Tool Starter

Starter SDK for building MCP tools that require payment before they run. definePaidTool + enforcePayment + runPaidTool. Zero runtime deps.

37

39

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.

37

40

Gt8004 SDK

Official Python SDK for GT8004 — AI agent observability with MCP, A2A, x402 payment tracking. FastAPI, Flask, FastMCP middleware included.

34

41

Monapi

One-line API monetization for AI agents. Pay-per-request USDC payments via x402. Express, Next.js, MCP.

34

42

Dexter MCP

Dexter MCP server — 60+ Solana DeFi tools over HTTP and stdio

34

43

X402 MCP Middleware

Express middleware for payment-gated MCP servers — multi-network X402 support with automatic routing, simulation, and JSON-RPC 402 compliance.

34

44

X402 API Server

x402 protocol API server — pay-per-call DeFi data endpoints using USDC micropayments on Base

34

45

Bluepages MCP

MCP server for Bluepages.fyi — look up Twitter/Farcaster identities for 800k+ Ethereum addresses

34

46

Askclaude MCP

MCP server for AskClaude — pay-per-query Claude AI via x402 micropayments

34

47

Protocol Tester

Universal test suite for MCP servers — dual-rail payment testing (x402 + MPP/Tempo), 402 challenge validation, security audit, load testing. Works with any MCP-compatible server.

34

48

toadlyBroodle/satring

Discover and compare L402 + x402 paid API services from satring.com, the best curated Lightning and USDC API directory.

34

49

carrierone/verilexdata-mcp

query with USDC. Free stats/sample endpoints, MCP + HTTP transport.

34

50

nullpath-labs/mcp-client

request via MCP with USDC on Base.

34