frontier

frontier is a plugin for Claude Code from SunflowersLwtech/sunkit. Its manifest loads nothing; the 1 skill, 1 command, 5 agents it bundles cost 898 tokens per session together, scanned A, original, Apache-2.0.

A collection of task-running agents that send work to Antigravity, OpenCode Zen, ZCode, or models on the Magpie gateway. Each uses the corresponding provider's official client.

In plain words
What is it for?
Sending coding or other model tasks to different providers and viewing the available gateway models.
Why use it?
It puts several outside AI services behind one set of task handoffs. This avoids needing to operate each client separately.

Plugin for Claude Code

Written for Claude Code: a Claude Code plugin manifest. Also seen: mentions subagents; mentions OpenCode.

Good fit Sending coding or other model tasks to different providers and viewing the available gateway models.

Compare 6 plugins from other repositories ↓
Install in Claude Code
/plugin marketplace add SunflowersLwtech/sunkit
/plugin install frontier
Install

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.

Clone the repo
git clone --depth 1 https://github.com/SunflowersLwtech/sunkit

Made for: Claude Code.

Wrote 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.

agentmods badge for frontier

README.md
[![agentmods](https://agentmods.dev/badge/plugins/sunflowerslwtech/sunkit/frontier/github.svg)](https://agentmods.dev/plugins/sunflowerslwtech/sunkit/frontier)
Your own site
<a href="https://agentmods.dev/plugins/sunflowerslwtech/sunkit/frontier"><img src="https://agentmods.dev/badge/plugins/sunflowerslwtech/sunkit/frontier/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.

agentmods 80×15 button for frontier

Your own site · 80×15
<a href="https://agentmods.dev/plugins/sunflowerslwtech/sunkit/frontier"><img src="https://agentmods.dev/badge/plugins/sunflowerslwtech/sunkit/frontier.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured The manifest loads nothing itself; its 1 skill, 1 command, 5 agents cost 898 tokens a session between them.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

frontier 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 5d 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.

plugins/frontier/.claude-plugin/plugin.json · 11 lines

What it actually says

{
  "name": "frontier",
  "version": "0.1.0",
  "description": "Subagents that hand a task to Antigravity (two accounts), OpenCode Zen's free models, ZCode, or any model on the magpie gateway, each in its own official client; plus the gateway's model list.",
  "author": {
    "name": "SunflowersLwtech"
  },
  "repository": "https://github.com/SunflowersLwtech/sunkit",
  "keywords": ["subagents", "antigravity", "opencode", "zcode", "magpie", "gateway"]
}
Contents

What it installs

The manifest is a name and a version. 1 skill, 1 command, 5 agents travel with it, and installing the plugin installs all of them — 898 tokens a session between them. Each is measured on its own page, and each can be installed alone.

Changes

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.

  1. 5d ago First seen · 11 lines scan A 8c2cb42cbee7

Subscribe to this mod's changes

frontier is a plugin published in the GitHub repository SunflowersLwtech/sunkit (13 stars, last pushed yesterday), licensed Apache-2.0. Its token cost is not measured: this kind of file is read by the harness, not the model. 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 2026-10-25.

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