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SKILL verified MIT Self-run

Figma Plugin

skill-bergside-design-md-figma-figma-plugin · by bergside

Use when building Figma plugins, creating design automation tools, implementing sandbox/UI communication, or working with the Figma Plugin API for node manipulation, styles, and components.

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Install

$ agentstack add skill-bergside-design-md-figma-figma-plugin

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No 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.

View the full security report →

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Reliability & compatibility

✓ Security review passed
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● 2mo ago

Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

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About

Figma Plugin Development

Build plugins that extend Figma's functionality using the Plugin API.

Architecture

Figma plugins run in two threads communicating via postMessage:

  • Main thread (sandbox): Plugin API access, node manipulation, figma.* calls
  • UI thread (iframe): HTML/CSS/JS interface, no Figma API access, npm packages allowed

Key Principles

  • Main thread handles all Figma document operations
  • UI thread handles user interface and external APIs
  • Communication between threads via figma.ui.postMessage() and onmessage
  • Plugins must be performant — avoid blocking the main thread

Quick Start Checklist

  1. Set up project with manifest.json (name, id, main, ui)
  2. Create main thread code (code.ts) with plugin logic
  3. Create UI (ui.html) with interface elements
  4. Wire up postMessage communication between threads
  5. Test in Figma development mode
  6. Publish via Figma Community

References

| Reference | Description | |-----------|-------------| | [project-structure-and-build.md](references/project-structure-and-build.md) | Manifest, TypeScript setup, build configuration | | [development-testing-and-publishing.md](references/development-testing-and-publishing.md) | Dev workflow, testing, publishing, troubleshooting | | [api-globals-and-nodes.md](references/api-globals-and-nodes.md) | Global objects, node types, components | | [api-rendering-and-advanced.md](references/api-rendering-and-advanced.md) | Paints, effects, auto layout, styles, variables, events | | [ui-architecture-and-messaging.md](references/ui-architecture-and-messaging.md) | iframe UI, postMessage, typed messages, plain HTML | | [ui-react-and-theming.md](references/ui-react-and-theming.md) | React setup, hooks, Figma theme colors | | [ui-patterns-and-resources.md](references/ui-patterns-and-resources.md) | Loading states, tabs, color pickers, file downloads | | [selection-traversal-and-batching.md](references/selection-traversal-and-batching.md) | Selection handling, node traversal, batch operations | | [colors-and-text.md](references/colors-and-text.md) | Color conversion, manipulation, text operations | | [layout-storage-and-utilities.md](references/layout-storage-and-utilities.md) | Positioning, alignment, storage, error handling, utilities |

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.

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