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Component Composer

Selects and assembles components from the prototype's component library (enumerated at runtime) with correct props for a given screen description

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SKILL.md
Quality
Evals
Security
Low

W011: Third-party content exposure detected (indirect prompt injection risk).

What this means

The skill exposes the agent to untrusted, user-generated content from public third-party sources, creating a risk of indirect prompt injection. This includes browsing arbitrary URLs, reading social media posts or forum comments, and analyzing content from unknown websites.

Why it was flagged

The required workflow ingests the `screen_description` input parameter, which contains outsider-authored free text describing UI requirements.

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Repository

mattermost/mattermost-ai-marketplace

Path

plugins/ux-spec-process/skills/component-composer/SKILL.md

Audited
Security analysis
Snyk

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