issue-plan-slicer

issue-plan-slicer is a skill for Claude Code, Codex from stark-ai-de/agent-skills. It costs 55 tokens per session (685 once invoked), scanned A, original, Apache-2.0.

A planning tool that breaks a specification, roadmap item, or rough plan into small, independently implementable work items. Each slice includes scope, dependencies, acceptance criteria, and validation.

In plain words
What is it for?
Use it to draft GitHub issues, local Markdown tasks, or implementation chunks for an agent or maintainer.
Why use it?
It makes broad work easier to assign, review, and complete without leaving important conditions implicit.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to draft GitHub issues, local Markdown tasks, or implementation chunks for an agent or maintainer.

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Install with agentmods
npx agentmods add skills/stark-ai-de/agent-skills/issue-plan-slicer
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 stark-ai-de/agent-skills --skill issue-plan-slicer
Clone the repo
git clone --depth 1 https://github.com/stark-ai-de/agent-skills

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 issue-plan-slicer

README.md
[![agentmods](https://agentmods.dev/badge/skills/stark-ai-de/agent-skills/issue-plan-slicer/github.svg)](https://agentmods.dev/skills/stark-ai-de/agent-skills/issue-plan-slicer)
Your own site
<a href="https://agentmods.dev/skills/stark-ai-de/agent-skills/issue-plan-slicer"><img src="https://agentmods.dev/badge/skills/stark-ai-de/agent-skills/issue-plan-slicer/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 issue-plan-slicer

Your own site · 80×15
<a href="https://agentmods.dev/skills/stark-ai-de/agent-skills/issue-plan-slicer"><img src="https://agentmods.dev/badge/skills/stark-ai-de/agent-skills/issue-plan-slicer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 55 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 685 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 $0.00055 $0.00685
Opus 5 $0.00028 $0.00342
Sonnet 5 $0.00011 $0.00137
Haiku 4.5 $0.00006 $0.00068

Measured 10d ago against content hash dda3b99ce53a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

issue-plan-slicer 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 10d 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.

incubator/skills/engineering-workflows/issue-plan-slicer/SKILL.md · 84 lines

How it starts

The opening of the file, as written. The whole thing — 84 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Issue Plan Slicer

Goal

Turn a broad plan into small, ordered, independently reviewable work items that an agent or maintainer can execute safely.

When to use

  • The user asks to split a spec, roadmap item, issue, PRD, or migration into tasks.
  • Work needs GitHub issue drafts, local markdown tasks, or agent-ready implementation slices.
  • Dependencies, acceptance criteria, and validation need to be made explicit.

When not to use

  • The user wants immediate implementation of a narrow task.
  • The plan is still too ambiguous to slice and needs product discovery first.
  • The user asks for live issue creation but has not authorized tracker mutations.

Inputs to inspect

  • The source spec, issue, PRD, roadmap item, or conversation context.
  • Existing docs/agents/issue-tracker.md, docs/agents/triage-labels.md, and docs/agents/validation.md when present.
  • Existing issue templates and labels under .github/.
  • Relevant ADRs and domain docs for boundaries and terminology.

Workflow

  1. Identify the desired outcome and non-goals.
  2. Extract dependencies, risky assumptions, validation commands, and docs impact.
  3. Split work into vertical slices that can be reviewed independently.
  4. Mark blockers and sequencing; avoid slices that require hidden context from prior tasks.
  5. Draft each issue with title, scope, acceptance criteria, validation, and out-of-scope notes.
  6. If the issue tracker is unknown, produce local markdown drafts instead of tracker-specific commands.
  7. Ask before creating, labeling, assigning, or closing live issues.

Safety rules

  • Do not mutate issue trackers without explicit user authorization.
  • Do not create vague tasks such as "clean up code" without acceptance criteria.
  • Do not hide critical dependencies in prose; make them part of the slice.
  • Do not assume labels or project boards that are not documented.

References

Use downstream docs/agents/issue-tracker.md and docs/agents/triage-labels.md as hard dependencies for tracker-specific output. If they are missing, default to local markdown issue drafts.

Read the full file on GitHub · 84 lines

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. 10d ago First seen · 84 lines · 55 tokens per session scan A dda3b99ce53a

Subscribe to this mod's changes

issue-plan-slicer is a skill published in the GitHub repository stark-ai-de/agent-skills (5 stars, last pushed 2d ago), licensed Apache-2.0. It adds 55 tokens to every session and 685 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 2026-08-31.

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