# APERION Shield MCP Server

> Use this tool when you need to enforce governance and security policies on MCP tool calls, preventing accidental or malicious actions that can compromise system integrity. The APERION Shield MCP Server provides deterministic rule enforcement, blocking destructive actions like SQL drops, shell commands, and file system modifications before execution. It takes in MCP tool calls as input and outputs enforced, secure actions, making it ideal for use cases requiring strict control over system modifications.

Canonical page: https://skillsregistry.net/skills/aperionai-shield-langflow  
JSON: https://api.skillsregistry.net/v1/skills/aperionai-shield-langflow

## Description

Governance engine for MCP tool calls, providing deterministic rule enforcement to block destructive actions like SQL drops, shell commands, and file system modifications before execution.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-09-01

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** database
- **Updated:** 2026-09-01

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/u5i9jqs2fz)
- **Repository:** <https://github.com/AperionAI/shield-langflow>

## 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": "aperionai-shield-langflow"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/aperionai-shield-langflow` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/aperionai-shield-langflow/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