Playground
A Claude skill from PaulRBerg/dot-agents.
Install
$ agentstack add skill-paulrberg-dot-agents-playground ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-paulrberg-dot-agents-playground) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
Playground Builder
Build a self-contained interactive HTML explorer with controls, live preview, and a copyable natural-language prompt.
Workflow
- Infer the product context, audience, decisions to explore, and required states. Existing design systems and explicit
user requirements override this skill's visual defaults.
- Read exactly one closest template and adapt it:
templates/design-playground.mdtemplates/data-explorer.mdtemplates/concept-map.mdtemplates/document-critique.mdtemplates/diff-review.mdtemplates/code-map.md
- Write one HTML file with inline CSS and JavaScript and no external runtime dependencies.
- Open it in a browser, interact with every control and preset, inspect representative viewport sizes, and verify live
preview, prompt output, copy feedback, empty/error states, and keyboard usability. Fix rendered defects before completion.
Opinionated Defaults
Use these when product context does not indicate otherwise:
- controls beside a live preview, with prompt output below;
- a polished light theme, system UI font, monospace code/values, minimal chrome;
- sensible non-empty initial state and 3–5 cohesive named presets;
- one state object, one update path, and immediate preview/prompt refresh;
- controls grouped by concern, with advanced controls collapsed;
- prompt text that explains the desired outcome in natural language and mentions only non-default choices.
Invariants
- No Apply button: relevant changes render immediately.
- The prompt is actionable without seeing the playground and is not a raw state dump.
- Copy has visible transient feedback and a usable fallback when the Clipboard API fails.
- Presets update controls, preview, and prompt consistently.
- Do not add controls that do not affect either the preview or the generated prompt.
Completion requires the self-contained file plus rendered, interactive inspection evidence; opening the file without exercising it is insufficient.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: PaulRBerg
- Source: PaulRBerg/dot-agents
- License: MIT
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.