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Agent X402 Paywall Mcp

csoai-org/agent-x402-paywall-mcp
STDIO, HTTPregistry active
Summary

Implements Coinbase's HTTP 402 Payment Required protocol to let AI agents pay for each API call they make, with settlement happening on-chain. Exposes tools to list supported blockchain networks, build 402 payment challenges, and verify payments before granting access to paywalled resources. Reach for this when you're building agent-to-agent or agent-to-service interactions where you want micropayments per request instead of API keys or subscriptions. The stdio transport integrates with Claude Desktop via uvx, while the streamable-http endpoint at api.meok.ai handles remote calls. Useful if you're experimenting with economic protocols for autonomous agents or want to monetize your own MCP servers on a per-call basis.

CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
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Make your agent a DeFi expert
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Agent, run crypto. Access onchain data & trade routes via 1inch.
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AppSignal
AppSignal
Monitor with ease. Code with confidence.
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Make money from your Skills
Make money from your Skills
On Capafy, your Skill runs online 24/7 as an agent product, and you get paid every time someone uses it.
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Put your SEO on autopilot
Put your SEO on autopilot
An agent that runs the SEO playbooks that move rankings and ships PRs you control.
Get founding access →
Vibe Prospecting MCPVibe Prospecting MCP
Vibe Prospecting MCP
Connect Claude to +800M contacts, +150M companies. Find & Enrich leads in chat.
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CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
Make your agent a DeFi expert
Make your agent a DeFi expert
Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →
AppSignal
AppSignal
Monitor with ease. Code with confidence.
Start Free Trial →
Make money from your Skills
Make money from your Skills
On Capafy, your Skill runs online 24/7 as an agent product, and you get paid every time someone uses it.
Start earning →
Put your SEO on autopilot
Put your SEO on autopilot
An agent that runs the SEO playbooks that move rankings and ships PRs you control.
Get founding access →
Vibe Prospecting MCPVibe Prospecting MCP
Vibe Prospecting MCP
Connect Claude to +800M contacts, +150M companies. Find & Enrich leads in chat.
Try For Free →
Featured
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
Make your agent a DeFi expert
Make your agent a DeFi expert
Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →
AppSignal
AppSignal
Monitor with ease. Code with confidence.
Start Free Trial →
Make money from your Skills
Make money from your Skills
On Capafy, your Skill runs online 24/7 as an agent product, and you get paid every time someone uses it.
Start earning →
Put your SEO on autopilot
Put your SEO on autopilot
An agent that runs the SEO playbooks that move rankings and ships PRs you control.
Get founding access →
Vibe Prospecting MCPVibe Prospecting MCP
Vibe Prospecting MCP
Connect Claude to +800M contacts, +150M companies. Find & Enrich leads in chat.
Try For Free →
Categories
AI & LLM ToolsFinance & Commerce
Registryactive
Packageagent-x402-paywall-mcp
TransportSTDIO, HTTP
UpdatedJun 10, 2026
View on GitHub

MCP Scorecard: 90/100

Agent X402 Paywall MCP

mcp-name: io.github.CSOAI-ORG/agent-x402-paywall-mcp

Agent x402 Paywall MCP

MEOK AI Labs EU AI Act License PyPI

HTTP 402 + on-chain settlement — pay-per-call for agents

HTTP 402 + on-chain settlement — pay-per-call for agents


🚀 Quick Start

# Install via pip
pip install agent_x402_paywall_mcp

# Or install via Smithery
npx -y @smithery/cli@latest install agent-x402-paywall-mcp --client claude

✨ Features

  • MCP protocol compliant
  • Easy installation
  • Well-documented API
  • Production-ready
  • Active maintenance

📖 Documentation

  • Full Documentation
  • API Reference
  • EU AI Act Compliance Guide

🛡️ Compliance

This MCP server is built with EU AI Act compliance built-in:

  • ✅ Article 9 — Risk Management System
  • ✅ Article 13 — Transparency & Instructions for Use
  • ✅ Article 15 — Bias Detection & Testing
  • ✅ Article 26 — FRIA Support (where applicable)
  • ✅ Article 50 — AI Content Watermarking (where applicable)

Need help getting compliant? Book a free 15-min diagnostic →

🏢 Enterprise

Need custom development, SLA guarantees, or white-label deployment?

  • Pro: $99/mo — Full MCP suite + EU AI Act tracking
  • Enterprise: $499/mo — Custom dev + SLA + Dedicated support

View Pricing → | Contact Sales →

🤝 Part of the MEOK Ecosystem

This server is part of the MEOK AI Labs ecosystem — 300+ MCP servers for sovereign AI governance.

DomainPurpose
councilof.aiEU AI Act compliance marketplace
safetyof.aiAI safety & monitoring
meok.aiSovereign AI platform
cobolbridge.aiLegacy modernization

📜 License

MIT © CSOAI-ORG


Built with 💜 by MEOK AI Labs · UK Companies House 16939677

MIT. By [MEOK AI Labs](https://meok.ai) (CSOAI LTD, UK Companies House 16939677).

💸 Try MEOK in 30 seconds — instant buy ladder

TierPriceWhat you getStripe
Smoke test£1Signed sample MCP-Hardening report + Article 50 PDFhttps://buy.stripe.com/5kQ6oJ0xS3ce8sl7ew8k91j
Quick Kit£9EU AI Act Article 50 implementation guide (C2PA + EU-Icon)https://buy.stripe.com/5kQ6oJ0xS3ce8sl7ew8k91j
Founder Call£2930-min 1-on-1 with the founderhttps://buy.stripe.com/5kQ6oJ0xS3ce8sl7ew8k91j

Refundable. UK Stripe — VAT-clean. Builds on the 81-MCP MEOK fleet. Verify any signed report at https://meok.ai/verify.

Configuration

Add to your claude_desktop_config.json (Claude Desktop) or your MCP client config:

{
  "mcpServers": {
    "agent-x402-paywall-mcp": {
      "command": "uvx",
      "args": ["agent-x402-paywall-mcp"]
    }
  }
}

Or: pip install agent-x402-paywall-mcp then run the agent-x402-paywall-mcp command (stdio transport).

Examples

Once configured, ask your assistant, for example:

  • "Use list_supported_chains to …"
  • "Use build_402_challenge to …"
  • "Use verify_payment to …"

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