# schema-sieve-mcp

> schema-sieve-mcp — mrfentmen-schema-sieve-mcp. Use this tool when you need to understand and analyze JSON Schema files for testing purposes, as it summarizes types, required fields, and constraints, and generates placeholder paths. It solves problems related to test planning and data validation by providing a local MCP tool for JSON Schema analysis. The tool takes JSON Schema files as input and outputs summarized schema information and generated placeholder paths.

Canonical page: https://skillsregistry.net/skills/mrfentmen-schema-sieve-mcp  
JSON: https://api.skillsregistry.net/v1/skills/mrfentmen-schema-sieve-mcp

## Description

Local MCP tool for understanding JSON Schema files while planning tests, summarizing types, required fields, constraints, and generating placeholder paths without copying data.

## 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:** file-system
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/hy670zscgs)
- **Repository:** <https://github.com/mrfentmen/schema-sieve-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": "mrfentmen-schema-sieve-mcp"
    }
  }
}
```

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