# MCP Tool Guardian

> MCP Tool Guardian — princeruhulofficial-mcp-tool-guardian. Use this tool when you need to safeguard AI agents from faulty tool outputs and ensure reliable interactions. The MCP Tool Guardian validates, sanitizes, and scores tool outputs to prevent schema mismatches and tool poisoning, providing a secure interface for AI agents to interact with tools. It is ideal for use cases where data integrity and trustworthiness are crucial, such as in high-stakes decision-making or sensitive information processing.

Canonical page: https://skillsregistry.net/skills/princeruhulofficial-mcp-tool-guardian  
JSON: https://api.skillsregistry.net/v1/skills/princeruhulofficial-mcp-tool-guardian

## Description

A production-ready MCP server that protects AI agents from bad tool outputs, schema mismatches, and tool poisoning by validating, sanitizing, scoring reliability, and auditing tool outputs.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** verified
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/os0pgie7pb)
- **Repository:** <https://github.com/princeruhulofficial/mcp-tool-guardian>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "princeruhulofficial-mcp-tool-guardian"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/princeruhulofficial-mcp-tool-guardian` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/princeruhulofficial-mcp-tool-guardian/pull`

---
SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt