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21 days ago
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mcp-proofjson

A local MCP server that integrates ProofJSON to assess invoices before payment, providing allow/review/block decisions with confidence scores and verification capabilities.

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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.
// 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

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// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
configPROOFJSON_BASE(env) — defaults to https://proofjson.org.
// 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/proofjson-mcp-proofjson-xvhs8n)](https://m8ven.ai/mcp/proofjson-mcp-proofjson-xvhs8n)
commit: 3f9a198d10038ee89135c1ba916cd8d46689866e
code hash: b6c4b74a2783a144ef3b59f3c18ec78c6d403f43357e6d57196b86cb21b07c13
verified: 6/18/2026, 10:32:06 AM
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mcp-proofjson · M8ven Trust Score | M8ven