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design-html

Design finalization: generates production-quality Pretext-native HTML/CSS. Works with approved mockups from /design-shotgun, CEO plans from /plan-ceo-review, design review context from /plan-design-review, or from scratch with a user description. Text actually reflows, heights are computed, layouts are dynamic. 30KB overhead, zero deps. Smart API routing: picks the right Pretext patterns for each design type. Use when: "finalize this design", "turn this into HTML", "build me a page", "implement this design", or after any planning skill. Proactively suggest when user has approved a design or has a plan ready. (gstack) Voice triggers (speech-to-text aliases): "build the design", "code the mockup", "make it real".

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SKILL.md
Quality
Evals
Security

Security

3 findings — 3 medium severity. This skill can be installed but you should review these findings before use.

Medium

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

Third-party content exposure detected (high risk: 0.70). The skill's runtime workflow explicitly falls back to importing Pretext from a public CDN ("https://esm.sh/@chenglou/pretext") when the vendored pretext.js is missing (Step 3 Pretext Source Embedding), and those remote scripts will run during preview/verification (browse/screenshot) and can therefore influence rendered output that the agent uses to decide edits—i.e., it fetches and executes untrusted third‑party code as part of its workflow.

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Medium

W012: Unverifiable external dependency detected (runtime URL that controls agent)

What this means

The skill fetches instructions or code from an external URL at runtime, and the fetched content directly controls the agent’s prompts or executes code. This dynamic dependency allows the external source to modify the agent’s behavior without any changes to the skill itself.

Why it was flagged

Potentially malicious external URL detected (high risk: 0.90). The skill's setup flow includes a runtime sequence that downloads and executes the bun installer script (curl -fsSL "https://bun.sh/install" -o "$tmpfile" && BUN_VERSION="$BUN_VERSION" bash "$tmpfile"), which fetches and runs remote code as part of required setup—https://bun.sh/install.

Medium

W013: Attempt to modify system services in skill instructions

What this means

The skill prompts the agent to compromise the security or integrity of the user’s machine by modifying system-level services or configurations, such as obtaining elevated privileges, altering startup scripts, or changing system-wide settings.

Why it was flagged

Attempt to modify system services in skill instructions detected (medium risk: 0.40). The skill instructs the agent to run many shell commands that write files, edit the repo, run installs (including a curl-based bun installer), start servers, and commit/remove vendored files — all of which mutate the host filesystem and runtime — but it does not request sudo, edit system-level config (ssh/systemctl/ /etc), or create new users.

Repository
garrytan/gstack
Audited
Security analysis
Snyk

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If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.