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18 days ago

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hpp-io/x402-mcp-bridge

Item: hpp-io/x402-mcp-bridge
Rating: 72
Author: M8ven

Enables AI agents to autonomously pay for and discover services using HPP USDC.e over the x402 protocol, without API keys or manual signing.

→ hpp-io/x402-mcp-bridge · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 2 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 1 credential: TEST_PRIVATE_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies2 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.0.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.0.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configALLOWANCE_MODULE_ADDRESS— SAFE_ADDRESS + set both = Safe (governance) mode

configE2E_RUN_ID

configHPP_NETWORK— eip155:181228 Sepolia (default) / eip155:190415 Mainnet

configHPP_RPC_URL

configHPP_X402_A2A_RPC_TIMEOUT_MS

configHPP_X402_CRED_FILE

configHPP_X402_HOME

configHPP_X402_PREFER_EXACT

configPAYER_SALT

configRESOURCE_SERVER_URL— proxy one upstream MCP server (omit = local tools only)

configSAFE_ADDRESS— + ALLOWANCE_MODULE_ADDRESS set both = Safe (governance) mode

🔐 secretTEST_PRIVATE_KEY

configUSDCE_ADDRESS

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 2 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/hpp-io-x402-mcp-bridge-6vx872)](https://m8ven.ai/mcp/hpp-io-x402-mcp-bridge-6vx872)

commit: 4ac26a1bd2909e346c9679adf119a25dfc9e695f

code hash: 1ab880b3ecfc17044f15617944a5be9d57e195885f9fe1e1f13df23cf604b1e6

verified: 7/13/2026, 9:56:09 AM

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