# mcp-compat

> mcp-compat — shunvel-mcp-compat. Use this tool when you need to validate Model Context Protocol (MCP) server implementations against real-world AI client behaviors and official standards. It solves problems of ensuring compatibility and adherence to specifications, providing a test harness and contract testing engine for MCP servers. The tool takes in MCP server implementations and outputs validation results, making it ideal for use in development and testing contexts where MCP compatibility is crucial.

Canonical page: https://skillsregistry.net/skills/shunvel-mcp-compat  
JSON: https://api.skillsregistry.net/v1/skills/shunvel-mcp-compat

## Description

mcp-compat is an open-source CLI test harness and contract testing engine designed to validate Model Context Protocol (MCP) server implementations against real-world AI client runtime behaviors and official specification standards.

## Trust

- **Trust score (0–1):** 0.95
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** MIT
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/shunvel/mcp-compat)

## 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": "shunvel-mcp-compat"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/shunvel-mcp-compat` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/shunvel-mcp-compat/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