# Storybook MCP (@storybook/mcp) - AgentBreakWatch Reference

> TL;DR Verdict: Storybook MCP (`@storybook/mcp`) is currently at v10.6.3 on NPM (published 2026-10-20), with a 90-day Stability Score of 86/100 (B+) and MEDIUM schema drift risk across 4 releases in the last 90 days. recent release v10.6.3 (up from v10.6.2) updates Design & UI MCP tool schemas and transport handling (4 releases in last 90d). Pin exact version v10.6.3 in .mcp.json to avoid silent parameter drift.

## Live Telemetry Metadata
- Canonical Page: https://agentbreakwatch.vercel.app/p/storybook-mcp
- Category Hub: https://agentbreakwatch.vercel.app/c/design-ui (Design, Figma, Storybook & UI Component MCP Servers)
- Package Name: `@storybook/mcp`
- Registry: NPM (https://www.npmjs.com/package/@storybook/mcp)
- GitHub Repository: https://github.com/storybookjs/storybook
- Vendor: Storybook
- Latest Live Version: v10.6.3
- Published Date: 2026-10-20T09:48:46.033Z
- 90-Day Release Count: 4
- Direct Dependencies: 4
- License: MIT
- Stability Score: 86/100 (Grade B+)
- Schema Drift Risk: MEDIUM
- Recommended Exact Pin Command: `npx -y @storybook/mcp@10.6.3`
- Watched Symbols / MCP Tools: tools/list, tools/call, mcp
- Snapshot Timestamp: 2026-10-24T12:11:27.697Z

## Breaking Change & Schema Drift Summary
recent release v10.6.3 (up from v10.6.2) updates Design & UI MCP tool schemas and transport handling (4 releases in last 90d). Pin exact version v10.6.3 in .mcp.json to avoid silent parameter drift.

## Migration Diff: Before (Deprecated / Unpinned Pattern)
```
"storybook-mcp": {
  "command": "npx",
  "args": ["-y", "@storybook/mcp@latest"]
}
```

## Migration Diff: After (Verified v10.6.3 Pattern)
```
"storybook-mcp": {
  "command": "npx",
  "args": ["-y", "@storybook/mcp@10.6.3"]
}
```

## Recent Verified Releases
- v10.6.3 (published 2026-10-20) [LATEST]
- v10.6.2 (published 2026-10-12)
- v10.6.1 (published 2026-09-29)
- v10.6.0 (published 2026-09-02)
- v0.8.0 (published 2026-07-08)
- v0.7.0 (published 2026-04-14)