# Guarded

> Use this tool when you need to add an extra layer of security to MCP tool calls, intercepting sensitive operations for human verification via Telegram. It solves problems related to unauthorized access and data integrity by providing policy-based auto-approval and SHA-256 hash verification. Ideal for use cases requiring temporary trust elevation and integration with Google Workspace, Guarded ensures secure and controlled execution of operations.

Canonical page: https://skillsregistry.net/skills/fernandosmither-guarded  
JSON: https://api.skillsregistry.net/v1/skills/fernandosmither-guarded

## Description

Intercepts MCP tool calls through an approval middleware layer that routes sensitive operations to Telegram for human verification. Supports policy-based auto-approval for read-only operations, temporary trust elevation windows, SHA-256 hash verification, and pluggable Google Workspace integrations.

## Trust

- **Trust score (0–1):** 0.80
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-09-28

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/fernandosmither-guarded)
- **Repository:** <https://github.com/fernandosmither/guarded-mcp>

## 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": "fernandosmither-guarded"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/fernandosmither-guarded` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/fernandosmither-guarded/pull`

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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