# mcp-schema-evolution

> mcp-schema-evolution — reaatech-mcp-schema-evolution. Use this tool when you need to safely evolve MCP tool schemas over time, detecting breaking changes and ensuring backward compatibility. It solves problems related to schema updates, providing features like deprecation annotations, changelog generation, and CI checks. The tool takes MCP tool schemas as input and generates updated schemas, wrappers, and changelogs as output, ideal for use in git-based development workflows.

Canonical page: https://skillsregistry.net/skills/reaatech-mcp-schema-evolution  
JSON: https://api.skillsregistry.net/v1/skills/reaatech-mcp-schema-evolution

## Description

Safely evolve MCP tool schemas over time. Breaking change detection, backward-compatible wrappers, deprecation annotations, changelog generation, and CI checks. Protobuf evolution rules for MCP.

## Trust

- **Trust score (0–1):** 0.65
- **Verification tier:** scanned
- **Last scanned:** 2026-09-02

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** other
- **Updated:** 2026-09-21

## Source

- **Source listing:** [GitHub](https://github.com/reaatech/mcp-schema-evolution)

## 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": "reaatech-mcp-schema-evolution"
    }
  }
}
```

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