develop-akashic-plugin

develop-akashic-plugin is a skill for Claude Code, Codex from kachofugetsu09/akashic-agent. It costs 54 tokens per session (1,750 once invoked), scanned A, original, MIT.

A development guide for creating and changing Akashic v3 plugins, which are add-ons that extend the Akashic system. It also covers the skills and tool connections inside those plugins.

In plain words
What is it for?
Use it to create a plugin, add a skill or tool connection, update an existing plugin, reload it, and verify that it works.
Why use it?
It provides the required file structure, configuration, and validation rules so plugin changes fit the current Akashic system. It helps avoid editing generated or installed copies instead of the source code.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/kachofugetsu09/akashic-agent/develop-akashic-plugin
Any agent
npx skills add kachofugetsu09/akashic-agent --skill develop-akashic-plugin
Clone the repo
git clone --depth 1 https://github.com/kachofugetsu09/akashic-agent

Made for: Claude Code, Codex.

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 develop-akashic-plugin

README.md
[![agentmods](https://agentmods.dev/badge/skills/kachofugetsu09/akashic-agent/develop-akashic-plugin.svg)](https://agentmods.dev/skills/kachofugetsu09/akashic-agent/develop-akashic-plugin)
Your own site
<a href="https://agentmods.dev/skills/kachofugetsu09/akashic-agent/develop-akashic-plugin"><img src="https://agentmods.dev/badge/skills/kachofugetsu09/akashic-agent/develop-akashic-plugin.svg" alt="Measured on agentmods" height="20"></a>
Per session 54 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,750 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.00054 $0.01750
Opus 5 $0.00027 $0.00875
Sonnet 5 $0.00011 $0.00350
Haiku 4.5 $0.00005 $0.00175

Measured 3d ago against content hash 799368f5c152, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

develop-akashic-plugin 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 3d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/inspect-runtime-trace.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills/develop-akashic-plugin/SKILL.md · 126 lines

How it starts

The opening of the file, as written. The whole thing — 126 lines — stays where its author put it; the contents beside it link to each section on GitHub.

开发并验证 Akashic 插件

只在插件的 canonical source 中修改文件。先确定 write set 并创建可恢复备份;不要直接编辑安装 cache、workspace 中的 Skill 投影、runtime pointer 或正式 plugin-data。

1. 先读当前合同

  1. 进入目标仓库后先读 docs/INDEX.mddocs/WORKFLOW.md 及该仓库的本地指引。
  2. 完整读取 references/plugin-authoring.md。它说明静态 manifest、module namespace 和 typed capability service。
  3. 安装或行为验证前完整读取 references/self-validation.md
  4. 只有子 turn 排队、超时、结果错误或行为证据不完整时,才读取 references/runtime-diagnostics.md,按真实 reload journal、SessionDB 和日志重建轨迹。
  5. 以当前 agent/plugin_composition/agent/plugins/static_manifest.py 和相邻 v3 样例为事实来源;旧文章或旧代码片段不构成 API。

2. 组织一个 v3 插件

最小 source 如下:

plugin-repo/
├── akashic.plugin.toml       # 外部安装包必需
├── plugin.py                 # v3 module namespace
├── skills/<skill>/SKILL.md   # 可选
├── drift/skills/<skill>/     # 可选
├── mcp/                      # 可选
└── requirements.txt          # 只有确有 Python 依赖时才声明

akashic.plugin.toml 至少包含 schema_version = 1nameversionapi_version = 3entrypoint = "plugin.py"。module namespace 同时导出同值的 api_versionnameversion,以及唯一、无默认值、无额外参数的 apply(ctx, config);函数可以是同步或异步的。能力通过 Context 上的 typed ServiceKey 获取或提供,不通过隐式全局状态注册。

from agent.plugin_composition import Context, TOOL_CATALOG

api_version = 3
name = "example"
version = "1.0.0"
inject = (TOOL_CATALOG,)


async def apply(ctx: Context, config: object) -> None:
    """Register this generation's typed contributions."""

    _ = config
    tools = ctx.require(TOOL_CATALOG)
    # 用 PluginToolDefinition 注册声明;handler_export 指向 source 内的可调用导出。
    _ = tools

真实声明范例和字段表见 authoring reference;不要把 Core-private 的 Default/Wake proactive island 当作外部扩展入口,也不要导入其 factory、registry 或 bridge。

3. 实现与 source 验证

保持一个清楚的 capability owner:

  • Tool、Command、Channel、MCP、managed process、proactive source、background job、mobile UI 和事件分别通过对应 typed service 注册。
  • skill_rootsdrift_skill_rootsworkspace_rootsdashboard_module 是 module namespace 的静态声明;路径必须位于插件 source,workspace root 只能是插件拥有的顶层目录。
  • import 阶段不启动进程、打开端口、创建正式数据库或发送外部消息。后台任务使用 ctx.spawn,资源使用 ctx.effect,监听使用 typed event key;它们随当前 Fiber 逆序清理。
  • Skill 放在插件 source,由声明的 root 发布;不要先复制到 workspace。MCP 和 service 的 candidate readiness 必须可隔离,失败要暴露。

Read the full file on GitHub · 126 lines

Files

What ships with it

5 files 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.

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. 3d ago First seen · 126 lines · 54 tokens per session scan A 799368f5c152

Subscribe to this mod's changes

develop-akashic-plugin is a skill published in the GitHub repository kachofugetsu09/akashic-agent (486 stars, last pushed 3d ago), licensed MIT. It adds 54 tokens to every session and 1,750 once invoked, about $0.0003 per session on Opus 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 2026-08-30.

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