# schema-guard-mcp

> schema-guard-mcp — yagami-reverse-schema-guard-mcp. Use this tool when you need to audit PostgreSQL or Supabase schemas for security vulnerabilities, such as missing Row-Level Security (RLS) or overly permissive policies, to identify and mitigate potential data exposure risks. It analyzes schema configurations to detect sensitive data exposure and other security issues, providing outputs to inform remediation efforts. Ideal for use cases involving data security and compliance in AI-driven applications.

Canonical page: https://skillsregistry.net/skills/yagami-reverse-schema-guard-mcp  
JSON: https://api.skillsregistry.net/v1/skills/yagami-reverse-schema-guard-mcp

## Description

Audits PostgreSQL/Supabase schemas for security issues like missing RLS, permissive policies, and sensitive data exposure during AI conversations.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-09-03

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** database
- **Updated:** 2026-09-03

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/a0syprbf6y)
- **Repository:** <https://github.com/yagaMI-Reverse/schema-guard-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": "yagami-reverse-schema-guard-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/yagami-reverse-schema-guard-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/yagami-reverse-schema-guard-mcp/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