Agent Guardrail MCP

Item: Agent Guardrail MCP
Rating: 67
Author: M8ven

Provides prompt injection detection, PII/secrets redaction, and an audit trail for AI agents via MCP tools.

→ ss-2303/injection-pii-guardrail-mcp · 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.

// required environment variables

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

configAGENT_GUARDRAIL_DATA_DIR— Override with the environment variable

configXDG_DATA_HOME— $/agent-guardrail-mcp/audit.db if that's set)

// 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 6 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/ss-2303-injection-pii-guardrail-mcp-1titir)](https://m8ven.ai/mcp/ss-2303-injection-pii-guardrail-mcp-1titir)

commit: d891e9dbcc9aeb9713b831d1bbc59b10ddaff79e

code hash: 7075037e00935cfbdb346747b0eb110279423e819451a4f88e1785dddf91708d

verified: 6/23/2026, 10:30:49 AM

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