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X402 MCP

Enables micropayments for MCP tool invocations using the X402 payment protocol, allowing servers to charge per tool usage in USDC and clients to automatically handle payments.

→ civicteam/x402-mcp· listed on glama
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// key findings
🚨
Hardcoded credentials detected
1 live-looking API key in source: 1 OpenAI API key
🚨
Known vulnerabilities in dependencies: 1 critical, 3 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
🔐
You'll be asked for 1 credential: PRIVATE_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies1 critical3 high

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

criticalvitest@3.2.4GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

high@modelcontextprotocol/sdk@1.17.1GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.17.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.17.1GHSA-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.
configMODE— stdio TARGET_URL=http://server.com/mcp PRIVATE_KEY=0x... npx @civic/x402-mcp client-proxy
configNETWORK— (optional): Network/chain name from viem (default: baseSepolia). Examples: mainnet, sepolia, baseSepolia, optimism, arbitrum, polygon
configPORT— MODE=http =3001 TARGET_URL=http://server.com/mcp PRIVATE_KEY=0x... npx @civic/x402-mcp client-proxy
🔐 secretPRIVATE_KEY— "": "Your wallet private key",
configTARGET_URL— "": "https://x402-mcp.fly.dev/mcp"
// 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 3 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/civicteam-x402-mcp-1tpzps)](https://m8ven.ai/mcp/civicteam-x402-mcp-1tpzps)
commit: f90851832a16099b338aa097323f47450a77eaf1
code hash: 2aec3fdaac8d203b8ed4544a01f26eb7808df47bd571a3c31585372a3ad00dc5
verified: 6/24/2026, 10:04:17 AM
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