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hw:change-plan

hw:change-plan is a skill for Claude Code, Codex from AISEE-LAB/aisee-plugin. It costs 127 tokens per session (2,028 once invoked), scanned A, original, MIT.

A planning guide for splitting a hardware or embedded-system project into separately deliverable OpenSpec changes, which are structured implementation proposals.

In plain words
What is it for?
It creates a change plan with dependency relationships, scope boundaries, source references for hardware, firmware, runtime, and verification, plus applicable contract documents.
Why use it?
It helps define clear change boundaries and dependencies without redoing the requirements or overall architecture.

Skill for Claude CodeCodex

Written for Claude Code and Codex: shipped in a Claude Code plugin, but also agents/openai.yaml present.

Part of the aisee-plugin plugin — 14 skills shipped together

not rated 11repo 2mo ago A scan 127 tokens original MIT

Good fit It creates a change plan with dependency relationships, scope boundaries, source references for hardware, firmware, runtime, and verification, plus applicable contract documents.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/aisee-lab/aisee-plugin/hw-change-plan
View source ↗ AISEE-LAB/aisee-plugin aisee.wiki
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.

Any agent
npx skills add AISEE-LAB/aisee-plugin --skill hw-change-plan
Clone the repo
git clone --depth 1 https://github.com/AISEE-LAB/aisee-plugin

Made for: Claude Code, Codex.

Or install aisee-plugin, the plugin that ships this one along with the rest of its 14 skills.

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 hw:change-plan

README.md
[![agentmods](https://agentmods.dev/badge/skills/aisee-lab/aisee-plugin/hw-change-plan.svg)](https://agentmods.dev/skills/aisee-lab/aisee-plugin/hw-change-plan)
Your own site
<a href="https://agentmods.dev/skills/aisee-lab/aisee-plugin/hw-change-plan"><img src="https://agentmods.dev/badge/skills/aisee-lab/aisee-plugin/hw-change-plan.svg" alt="Measured on agentmods" height="20"></a>
Per session 127 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,028 The whole file, excluding the scripts and references it only reads on demand.
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.
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 5.1 $0.00127 $0.02028
Opus 5 $0.00063 $0.01014
Sonnet 5 $0.00025 $0.00406
Haiku 4.5 $0.00013 $0.00203

Measured 8d ago against content hash acd000c73b84, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

hw:change-plan 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 8d 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/aisee-plugin/skills/hw-change-plan/SKILL.md · 194 lines

How it starts

The opening of the file, as written. The whole thing — 194 lines — stays where its author put it; the contents beside it link to each section on GitHub.

hw:change-plan

把硬件整体输入拆成多个可执行的 OpenSpec changes。每个 change 应使用 aisee-device-spec-driven，除非用户明确选择其他 schema。

本技能参考 aisee:change-plan 的边界规划方式，但针对硬件/嵌入式项目增加 HW / FW / RT / VER 追踪。

Inputs

必需：

  • aisee/docs/requirements/*-hw-srs.md
  • aisee/docs/architecture/*-hw-architecture.md

可选：

  • docs/modules/*.md
  • docs/project-structure.md
  • docs/clock-contract.md
  • docs/memory-device-contract.md
  • hw:init scan-existing 的只读扫描摘要
  • 现有 OpenSpec active changes

可选参数：

  • --strategy vertical|risk|parallel，默认 vertical
  • --granularity fine|medium|coarse，默认 medium
  • --schema <name>，默认 aisee-device-spec-driven
  • --max-changes <N>，默认 8
  • --single-if-small

References

需要拆分规则时读取：

references/change-boundary-rules.md

生成文档时读取：

assets/change-plan-template.md

Output

保存到：

aisee/docs/change-plan/<YYYY-MM-DD>-<slug>-hw-change-plan.md

输出必须包含：

  • Summary
  • Dependency graph
  • Change details
  • 每个 change 的 schema，默认 aisee-device-spec-driven
  • 每个 change 的 In Scope / Out of Scope
  • 每个 change 的 Source-map seed：FR / HW / FW / RT / VER
  • 每个 contract artifact 的适用性：hardware / firmware / runtime / verification
  • Depends on / Parallel with
  • Change rationale
  • Copy-ready /opsx:new "<change>" --schema aisee-device-spec-driven 命令
  • 整体拆分依据和 [ASSUMPTION] / [RISK] / [ARCH-BLOCKER]

Phase 0 - Read Project Context

PowerShell:

Get-Content -ErrorAction Stop aisee/docs/requirements/*-hw-srs.md
Get-Content -ErrorAction Stop aisee/docs/architecture/*-hw-architecture.md
Get-Content -ErrorAction SilentlyContinue docs/modules/*.md
Get-Content -ErrorAction SilentlyContinue docs/project-structure.md
Get-Content -ErrorAction SilentlyContinue docs/clock-contract.md
Get-Content -ErrorAction SilentlyContinue docs/memory-device-contract.md
cmd /c openspec list --json 2>nul
cmd /c openspec schemas --json 2>nul

POSIX shell:

cat aisee/docs/requirements/*-hw-srs.md
cat aisee/docs/architecture/*-hw-architecture.md
cat docs/modules/*.md 2>/dev/null
cat docs/project-structure.md 2>/dev/null
cat docs/clock-contract.md 2>/dev/null
cat docs/memory-device-contract.md 2>/dev/null
openspec list --json 2>/dev/null
openspec schemas --json 2>/dev/null

Read the full file on GitHub · 194 lines

Files

What ships with it

4 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. 8d ago First seen · 194 lines · 127 tokens per session scan A acd000c73b84

Subscribe to this mod's changes

hw:change-plan is a skill published in the GitHub repository AISEE-LAB/aisee-plugin (11 stars, last pushed 2mo ago), licensed MIT. It adds 127 tokens to every session and 2,028 once invoked, about $0.0006 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.

Hardware and IoTOpenSpecPlanningagentaicodexcompound-engineeringsoftware-engineering
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