threejs-play SKILL.md skillA
threejs-play from paprika3d/paprika3d is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add paprika3d/paprika3d/threejs-play@git:20261029.bed5213Pins git:20261029.bed5213 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- paprika3d/paprika3d
- Path
skills/threejs-play/SKILL.md- Versions recorded
- 1
- Latest version
- git:20261029.bed5213, committed Oct 29, 2026
- Size
- 1,401 bytes
- Repository stars
- 6
- License
- Apache-2.0
Play a three.js or WebGL game or interactive page from a coding agent - keys, mouse, touch and scroll on exact frames of a paused, seeded clock, the state read back as JSON. Use to playtest its controls. paprika3d's interact tool.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Play a three.js page
After `open`, `interact` sends `steps` frame by frame and replies with what changed in the state:
- `{ key: "ArrowRight", frames: 30 }` holds a key that many frames; a mouse or touch step (`{ mouse: "click", x, y }`) says which named object is under it.
- `{ state: { ... } }` sets a moment up first (through `window.__game.setState`); `{ until: { "player.grounded": true }, max: 120 }` steps until the state holds and says the frame.
- `trace: ["player.y"]` gives a path's peak, first change and landing with their frames; `look: true` adds the picture after the steps.
`observe` reads the state without playing; `feel` says what reacted on screen to an event (pops, flashes, shakes, particles, sounds, teleports). The state is exact when the page sets `window.__game` (the convention, and the rest of the method: `../threejs-game/SKILL.md`). To keep a play as a check, see the `threejs-test` skill.
If `open` and `interact` are not among your tools, the paprika3d MCP server is not installed: it runs as `npx -y paprika3d serve` (stdio), and https://paprika3d.com/docs/install has each agent's line.Read the whole file at its exact version.
How to install
mdr add paprika3d/paprika3d/threejs-play@sha256:050d794b06512402The line at the top of this page pins the label git:20261029.bed5213, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_z43ik6e7qrvkeizl)
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Versions
The registry has recorded 1 version of this file, committed on Oct 29, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (1401 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
paprika3d/paprika3d · 6 stars · license Apache-2.0 · pushed 2026-11-04 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_z43ik6e7qrvkeizl GET https://markdownregistry.com/api/v1/resolve?ref=paprika3d/paprika3d/threejs-play GET https://markdownregistry.com/api/v1/blob/050d794b065124029d73a4dd3a76db46b51f5ad9e124f4457345c6798bb42799
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.