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extensions

Enables the creation and management of interactive Alpine.js mini-apps within iframes, allowing for dynamic user interfaces.

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Security score

The extensions skill was audited on Jun 13, 2026 and we found 8 security issues across 2 threat categories, including 7 high-severity. Review the findings below before installing.

Categories Tested

Security Issues

high line 364

Template literal with variable interpolation in command context

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364user has set up. Reference it via `${keys.OPENAI_API_KEY}` /
high line 365

Template literal with variable interpolation in command context

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365`${keys.ANTHROPIC_API_KEY}` and surface a clear error if the proxy
high line 381

Template literal with variable interpolation in command context

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381For external API calls, use `extensionFetch()` with `${keys.NAME}` placeholders
high line 383

Template literal with variable interpolation in command context

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383`Authorization: 'Bearer ${keys.GITHUB_TOKEN}'`. The proxy resolves the value
high line 396

Template literal with variable interpolation in command context

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396- **Never hardcode secrets or private data.** Use `${keys.NAME}` placeholders
high line 399

Template literal with variable interpolation in command context

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399- **Single quotes around `${keys.*}`** to prevent browser-side template literal evaluation.
high line 405

Template literal with variable interpolation in command context

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405- `secrets` -- creating and managing API keys for `${keys.NAME}` substitution.
medium line 375

Webhook reference - potential data exfiltration

SourceSKILL.md
375Never put a real API key, token, webhook URL, signing secret, private
Scanned on Jun 13, 2026
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GitHub Stars 484
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Categorydevelopment
UpdatedJune 24, 2026
BuilderIO/agent-native