Developer Integration

Add MerchantGuard
to Your AI

Payment compliance tools for Claude, AI agents, and developers. MCP server, npm SDK, REST API, or just a copy-paste prompt.

Connect MerchantGuard to Claude Code in one command. Gets you 39 compliance tools.

$claude mcp add merchantguard --transport sse https://merchantguard-mcp-810654658669.us-central1.run.app/sse

Requires Claude Code CLI. Run in your terminal and you're done.

npm Packages

Install individually or use the main SDK for everything.

RECOMMENDEDv1.0.0

@merchantguard/guard

Main SDK — GuardScore, 14 compliance coaches, PSP matching, alerts, passport, wallet verification.

npm install @merchantguard/guard

AUDITv1.0.2

@merchantguard/mystery-shopper

10-probe adversarial audit for AI agents. Tests security, ethics, PII handling, and reliability.

npm install @merchantguard/mystery-shopper

SCANNERv1.0.0

@merchantguard/guardscan

102-pattern static code scanner + VirusTotal integration + AI judge for agent security.

npm install @merchantguard/guardscan

HANDLERv1.0.0

@merchantguard/probe-handler

Drop-in handler for receiving Mystery Shopper probes in your agent. Makes certification easy.

npm install @merchantguard/probe-handler

MCP Tools

39 tools available via the MCP server. Here are the most popular.

get_guardscore

Calculate compliance score (0-100) with VAMP breakdown and improvement recommendations.

match_psp

Get personalized PSP recommendations based on industry, region, and risk profile.

ask_guard_coach

General payment compliance guidance — VAMP, chargebacks, RDR, 3DS rules.

ask_crypto_coach

Cryptocurrency compliance — token launches, SEC regulations, blockchain payments.

ask_stablecoin_coach

USDC/USDT integration, stablecoin settlement, crypto payment rails.

ask_match_coach

MATCH list recovery — high-risk PSP options, processing restoration guidance.

get_compliance_alerts

Latest payment compliance news — VAMP updates, PSP policy changes, regulatory alerts.

analyze_chargebacks

Analyze chargeback trends and get prevention recommendations.

check_compliance_streak

Track your Compliance Dividend progress and streak.

get_free_assessment

Get link to free 60-second GuardScore assessment.

take_vamp_quiz

Test your VAMP compliance knowledge with an interactive quiz.

Technical Details

MCP Server	https://merchantguard-mcp-810654658669.us-central1.run.app
Transport	SSE (Server-Sent Events)
Authentication	OAuth 2.0 with PKCE (MCP) / API key (REST)
Protocol Version	2025-06-18
Tools Available	39 read-only tools
npm Main Package	@merchantguard/guard v1.0.0
Pricing	Free tier (1,000 calls/mo) + Pay-as-you-go ($0.003/call)
Free Assessment	merchantguard.ai/tools/guardscore-calculator

Data & Privacy

What data does Claude access?

Your GuardScore, compliance status, and anonymized business profile (industry, region, volume tier). No financial transaction data is accessed.

Is my data used for AI training?

No. Your data is used only to provide personalized compliance recommendations. It is not used to train AI models.

Can I revoke access?

Yes. Disconnect the MCP server from Claude Code settings, or revoke OAuth access from your account.

Disclaimer

MerchantGuard provides educational guidance and informational tools only. Our AI coaches do not provide legal, financial, or professional advice. All tools are read-only and do not execute financial transactions. Consult qualified professionals before making business decisions. See our Terms of Service for full details.

Need help? support@merchantguard.ai · Telegram · Contact

Add MerchantGuardto Your AI