mcp-shield

Drop-in security primitives for MCP servers, addressing isError compliance, audit trails, input validation, output sanitization, and OAuth scoping.

→ sanjibani/mcp-shield · listed on glama

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// key findings

✅

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: MCP_SHIELD_TOKEN

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

// required environment variables

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

configMCP_SHIELD_AUDIT— 0 mcp-shield

configMCP_SHIELD_AUDIT_LOG— JSONL audit log per call (stderr default, override with )

🔐 secretMCP_SHIELD_TOKEN

configMCP_SHIELD_TOKEN_SCOPES

// 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 4 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/sanjibani-mcp-shield-13y1as)](https://m8ven.ai/mcp/sanjibani-mcp-shield-13y1as)

commit: 6b6b0bdc9c9bb267a16d784c88722fe9bcd54ff0

code hash: cdf3d0bbd53e79c3ce9d0425c4d9ea20c538c55f55ed909d528f2126439a70ec

verified: 6/27/2026, 8:55:30 AM

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