OpenCode is an open-source AI coding agent that helps developers work on software projects. It includes agents for full-access development, read-only exploration and planning, plus a general subagent for complex searches and multistep tasks; the catalogue add-ons extend its workflows.
Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add anomalyco/opencode --skill figma-generative-pluginsgit clone --depth 1 https://github.com/anomalyco/opencodeWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/anomalyco/opencode/figma-generative-plugins)<a href="https://agentmods.dev/skills/anomalyco/opencode/figma-generative-plugins"><img src="https://agentmods.dev/badge/skills/anomalyco/opencode/figma-generative-plugins/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/anomalyco/opencode/figma-generative-plugins"><img src="https://agentmods.dev/badge/skills/anomalyco/opencode/figma-generative-plugins.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00055 | $0.01013 |
| Opus 5.5 | $0.00022 | $0.00405 |
| Sonnet 5.5 | $0.00011 | $0.00203 |
| Haiku 4.5 | $0.00006 | $0.00101 |
Grade A, and why
figma-generative-plugins scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 54 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Create and update generative Figma plugins
Load this skill before every create_generative_plugin or update_generative_plugin call. In user-facing language, call the result a “plugin.” The “generative” qualifier only distinguishes this account-library tool from other plugin systems.
Preflight
Before authoring, confirm the request fits this surface:
- Plugins run in the Figma Design editor.
- Every plugin must provide functional UI for its core workflow. A plugin with no configurable inputs still needs a clear primary action and useful status or validation feedback.
- Never embed API keys, OAuth tokens, signed URLs, or other secrets. Plugin source is readable by people who can access it. For authenticated integrations, stop and offer a static dataset, a public no-auth endpoint, or a different architecture.
Create workflow
- Resolve the requested workflow and its useful controls. Ask a concise question only if required inputs or behavior are genuinely ambiguous.
- Resolve
planKey. Reuse one supplied by the user; otherwise callwhoami. Use the sole eligible plan automatically, or ask the user to choose when several materially different plans are available. - Call
create_generative_pluginonce with a concise name, description, andplanKey. This creates a runnable square-drawing scaffold, not the requested final plugin. - Call
get_generative_pluginwith the returnedid, then read every source URI. This establishes the scaffold's manifest, UI message contract, and current TypeScript entrypoint. - Replace the scaffold with complete authored files for the requested behavior and UI.
- Call
update_generative_pluginwith the returnedid, afilesarray containing complete replacements forcode.tsand, when the UI changes,ui.html, plus a specificcommitMessage. Usemetadatawhen changing the name or description.
Never stop after create_generative_plugin: the starter must be replaced with the requested experience.
Update workflow
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 54 lines · 55 tokens per session scan A b97eb184a1f6
figma-generative-plugins is a skill published in the GitHub repository anomalyco/opencode (213,922 stars, last pushed today), licensed MIT. It adds 55 tokens to every session and 1,013 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-14.
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