E2E: Fix tool name in MCP E2E tests

[JReinhold]

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What I did

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Testing

The changes in this PR are covered in the following automated tests:

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Manual testing

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Summary by CodeRabbit

• Tests
  • Updated e2e test assertions to be more flexible with tool availability checks.
  • Renamed tool identifier in test suite from "get-ui-building-instructions" to "get-storybook-story-instructions" for accuracy.

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☁️ Nx Cloud last updated this comment at 2026-01-20 16:33:10 UTC

[coderabbitai]

📝 Walkthrough

Walkthrough

An e2e test file was updated to rename an MCP tool identifier from "get-ui-building-instructions" to "get-storybook-story-instructions" and to relax the tools-list assertion from requiring exactly 4 tools to requiring at least 4 tools.

Changes

Cohort / File(s)	Summary
E2E Test Updates code/e2e-tests/addon-mcp.spec.ts	Renamed tool identifier "get-ui-building-instructions" to "get-storybook-story-instructions" in test block label and API call parameter. Relaxed tools-list assertion from length === 4 to length >= 4.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• Manifests and MCP: Add e2e tests #33514: Directly modifies the same e2e test file and updates MCP tool names and assertions.

✨ Finishing touches

• 📝 Generate docstrings

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[storybook-app-bot]

Package Benchmarks

^{Commit: e7c5266, ran on 20 January 2026 at 16:32:48 UTC}

The following packages have significant changes to their size or dependencies:

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@storybook/react-vite

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@storybook/react-webpack5

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@storybook/server-webpack5

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@storybook/codemod

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create-storybook

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@storybook/preset-react-webpack

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@storybook/react

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